Home / Tasks / Proofread one page (500 words)

How much does it cost to proofread one page of text with AI?

Q: How much does it cost to proofread one page of text with AI?

On Oct 18, 2026 it costs from 0.02¢ with GLM 5.3 Flash to 5.6¢ with Claude Fable 5.1 among popular models. The median of 336 models is 0.24¢ per task.

Q: What is the cheapest AI to proofread one page of text?

The cheapest model overall is Summarize at <0.01¢; the cheapest popular model is GLM 5.3 Flash at 0.02¢. The best value among popular models (cheap and highly rated) is Claude Opus 5.5 at 2.2¢.

Q: Why do reasoning models cost more for the same task?

Reasoning (thinking) tokens are billed as output tokens even though you never see them. On some tasks a model thinks for thousands of tokens before a short answer, which can multiply the cost.

Q: How is the cost calculated?

A 500-word page with typos returned as corrected text. We send the same prompt (521 words of input) to every measured model through OpenRouter with default settings and record the input, output and reasoning tokens it uses.

Between 0.02¢ (GLM 5.3 Flash) and 5.6¢ (Claude Fable 5.1) among popular models. The median across all 336 models is 0.24¢.

Cheapest popular0.02¢

Median0.24¢

Priciest popular5.6¢

1,000 tasks, cheapest$0.19

1,000 tasks, median$2.44

Models priced336

Full ranking: 336 models

Sorted by cost. Click a column to sort by quality or tokens.

#	Model	Cost per task	Text score	Tokens in / out	Basis
1	S SummarizeScaledown	<0.01¢$0.03 / 1,000	-	777 / 1,830	estimated
2	S ExtractScaledown	<0.01¢$0.03 / 1,000	-	777 / 1,830	estimated
3	gpt-oss-20bOpenAI	<0.01¢$0.07 / 1,000	1317	718 / 662	estimated best value
4	S Llama 3 8B LunarisSao10K	0.01¢$0.12 / 1,000	-	777 / 1,830	estimated
5	I Ling 3.0 FlashInclusionai	0.01¢$0.13 / 1,000	-	776 / 1,829	estimated
6	Gemma 3 4BGoogle	0.01¢$0.14 / 1,000	1303	706 / 1,096	estimated
7	Mistral NemoMistral	0.01¢$0.15 / 1,000	-	731 / 4,141	estimated
8	Llama 3.1 8B InstructMeta	0.02¢$0.18 / 1,000	1211	770 / 1,824	estimated
9	GLM 5.3 FlashZ.ai	0.02¢$0.19 / 1,000	1474	730 / 797	measured best value
10	Gemma 3 12BGoogle	0.02¢$0.20 / 1,000	1342	706 / 1,096	estimated
11	Granite 4.0 MicroIBM	0.02¢$0.22 / 1,000	-	770 / 1,824	estimated
12	Muse Spark 1.3 ContributorMeta	0.02¢$0.23 / 1,000	-	730 / 797	estimated
13	Muse Spark 1.2 ContributorMeta	0.02¢$0.23 / 1,000	-	730 / 797	estimated
14	R Reka Flash 3Rekaai	0.02¢$0.23 / 1,000	-	730 / 797	estimated
15	gpt-oss-safeguard-20bOpenAI	0.03¢$0.25 / 1,000	-	718 / 662	estimated
16	R Reka EdgeRekaai	0.03¢$0.26 / 1,000	-	770 / 1,824	estimated
17	Qwen3.7 FlashAlibaba Qwen	0.03¢$0.26 / 1,000	-	777 / 1,830	estimated
18	G MythoMax 13BGryphe	0.03¢$0.26 / 1,000	-	777 / 1,830	estimated
19	P Laguna XS 2.1Poolside	0.03¢$0.27 / 1,000	-	791 / 1,842	estimated
20	Nova Micro 1.0Amazon	0.03¢$0.28 / 1,000	-	754 / 1,810	estimated
21	N Nex-N2.5-MiniNex Agi	0.03¢$0.28 / 1,000	-	746 / 2,614	estimated
22	Gemma 4 26B A4B Google	0.03¢$0.29 / 1,000	1438	706 / 1,096	estimated
23	I Schematron V2 TurboInference Net	0.03¢$0.30 / 1,000	-	779 / 1,831	estimated
24	GPT-5 NanoOpenAI	0.03¢$0.30 / 1,000	1338	718 / 662	estimated
25	Command R7B (12-2024)Cohere	0.03¢$0.30 / 1,000	-	766 / 1,820	estimated
26	Phi 4Microsoft	0.03¢$0.31 / 1,000	1256	770 / 1,824	estimated
27	Step 3.5 FlashStepFun	0.03¢$0.31 / 1,000	1393	727 / 795	estimated
28	Qwen3.5-9BAlibaba Qwen	0.04¢$0.35 / 1,000	-	777 / 1,830	estimated
29	Hy-MT2-1.8BTencent	0.04¢$0.36 / 1,000	-	777 / 1,830	estimated
30	GLM 4.7 FlashZ.ai	0.04¢$0.36 / 1,000	1364	730 / 797	estimated
31	Mistral Small 3Mistral	0.04¢$0.37 / 1,000	1274	731 / 4,141	estimated
32	GPT-4.1 NanoOpenAI	0.04¢$0.37 / 1,000	1322	718 / 755	estimated
33	I Ling 3.0 Flash VLInclusionai	0.04¢$0.38 / 1,000	-	776 / 1,829	estimated
34	Llama 3.2 1B InstructMeta	0.04¢$0.39 / 1,000	1111	770 / 1,824	estimated
35	P Laguna S 2.1Poolside	0.04¢$0.40 / 1,000	-	791 / 1,842	estimated
36	U Solar Pro 4Upstage	0.04¢$0.41 / 1,000	1386	708 / 959	estimated
37	I Mercury 2.5Inception	0.04¢$0.42 / 1,000	-	725 / 2,595	estimated
38	Nemotron 3.5 LightningNVIDIA	0.04¢$0.42 / 1,000	1351	783 / 1,835	estimated
39	DeepSeek V4.1 FlashDeepSeek	0.04¢$0.43 / 1,000	1475	746 / 2,614	measured best value
40	Gemma 3 27BGoogle	0.04¢$0.44 / 1,000	1366	706 / 1,096	estimated
41	UI-TARS 7B ByteDance	0.04¢$0.44 / 1,000	-	770 / 1,824	estimated
42	Qwen2.5 7B InstructAlibaba Qwen	0.04¢$0.44 / 1,000	-	777 / 1,830	estimated
43	GPT-6 Luna ProOpenAI	0.04¢$0.45 / 1,000	-	718 / 755	estimated
44	GPT-6 LunaOpenAI	0.04¢$0.45 / 1,000	1443	718 / 755	measured
45	Seed-2.0-MiniByteDance Seed	0.05¢$0.46 / 1,000	-	719 / 969	estimated
46	I Schematron V2 SmallInference Net	0.05¢$0.46 / 1,000	-	779 / 1,831	estimated
47	Llama Guard 4 12BMeta	0.05¢$0.47 / 1,000	-	770 / 1,824	estimated
48	I Ling 3.1 FlashInclusionai	0.05¢$0.47 / 1,000	-	776 / 1,829	estimated
49	Nova Lite 1.0Amazon	0.05¢$0.48 / 1,000	1260	754 / 1,810	estimated
50	Ministral 3 3B 2512Mistral	0.05¢$0.49 / 1,000	-	731 / 4,141	estimated
51	Nemotron 3 Nano 30B A3BNVIDIA	0.05¢$0.49 / 1,000	1314	783 / 1,835	estimated
52	Nemotron 3 SuperNVIDIA	0.05¢$0.50 / 1,000	1360	724 / 974	estimated
53	gpt-oss-120bOpenAI	0.05¢$0.50 / 1,000	1352	718 / 662	estimated
54	Gemini 2.5 Flash LiteGoogle	0.05¢$0.51 / 1,000	1375	706 / 1,096	estimated
55	Nemotron 3.5 Content SafetyNVIDIA	0.05¢$0.52 / 1,000	-	783 / 1,835	estimated
56	Qwen3.5-FlashAlibaba Qwen	0.05¢$0.53 / 1,000	1396	777 / 1,830	estimated
57	Qwen3 14BAlibaba Qwen	0.05¢$0.53 / 1,000	-	777 / 1,830	estimated
58	P Ternary Bonsai 2 27BPrism Ml	0.05¢$0.54 / 1,000	-	717 / 968	estimated
59	DeepSeek V4 Flash 0423DeepSeek	0.05¢$0.54 / 1,000	1439	746 / 2,614	estimated
60	U Solar Mini 4Upstage	0.06¢$0.56 / 1,000	-	743 / 2,611	estimated
61	GPT-4o-miniOpenAI	0.06¢$0.56 / 1,000	-	718 / 755	estimated
62	GPT-4o-mini (2024-07-18)OpenAI	0.06¢$0.56 / 1,000	1318	718 / 755	estimated
63	Qwen3 Coder 30B A3B InstructAlibaba Qwen	0.06¢$0.57 / 1,000	-	777 / 1,830	estimated
64	Qwen3 32BAlibaba Qwen	0.06¢$0.57 / 1,000	1347	777 / 1,830	estimated
65	Gemma 4 31BGoogle	0.06¢$0.58 / 1,000	1452	706 / 1,096	estimated
66	LFM2.5-24B-A2BLiquid AI	0.06¢$0.59 / 1,000	-	730 / 797	estimated
67	Hy-MT2-30B-A3BTencent	0.06¢$0.60 / 1,000	-	777 / 1,830	estimated
68	Hy-MT2-7BTencent	0.06¢$0.60 / 1,000	-	777 / 1,830	estimated
69	Seed 1.6 FlashByteDance Seed	0.06¢$0.61 / 1,000	-	777 / 1,830	estimated
70	MiMo-V2.6-FlashXiaomi	0.06¢$0.62 / 1,000	1451	770 / 1,824	estimated
71	MiMo-V2.5Xiaomi	0.06¢$0.62 / 1,000	1434	770 / 1,824	estimated
72	Qwen3 30B A3B Instruct 2507Alibaba Qwen	0.06¢$0.62 / 1,000	1382	777 / 1,830	estimated
73	Llama 4 ScoutMeta	0.06¢$0.62 / 1,000	1322	770 / 1,824	estimated
74	Llama 3.2 3B InstructMeta	0.06¢$0.64 / 1,000	1167	770 / 1,824	estimated
75	Llama 3.3 70B InstructMeta	0.07¢$0.66 / 1,000	1318	770 / 1,824	estimated
76	U Solar Pro 3Upstage	0.07¢$0.68 / 1,000	-	708 / 959	estimated
77	Granite 4.2 8BIBM	0.07¢$0.70 / 1,000	1290	748 / 2,615	estimated
78	Claude Haiku 5.5Anthropic	0.07¢$0.71 / 1,000	-	987 / 1,217	measured
79	N Nex-N2.5-ProNex Agi	0.07¢$0.71 / 1,000	-	746 / 2,614	estimated
80	Ministral 3 8B 2512Mistral	0.07¢$0.73 / 1,000	-	731 / 4,141	estimated
81	GLM 4.5 AirZ.ai	0.08¢$0.77 / 1,000	1373	730 / 797	estimated
82	Hy3Tencent	0.08¢$0.77 / 1,000	1453	987 / 1,217	estimated
83	A Trinity Large ThinkingArcee AI	0.08¢$0.79 / 1,000	1367	699 / 770	estimated
84	Nemotron 3.5 Super VLNVIDIA	0.08¢$0.81 / 1,000	-	783 / 1,835	estimated
85	DeepSeek V4 Flash 0731DeepSeek	0.09¢$0.86 / 1,000	-	746 / 2,614	estimated
86	I Mercury 2Inception	0.09¢$0.88 / 1,000	1343	691 / 943	estimated
87	Hy3 previewTencent	0.09¢$0.91 / 1,000	1409	987 / 1,217	estimated
88	GLM 4.6VZ.ai	0.09¢$0.94 / 1,000	1378	730 / 797	estimated
89	Ministral 3 14B 2512Mistral	0.10¢$0.97 / 1,000	-	731 / 4,141	estimated
90	Qwen3.8 Omni FlashAlibaba Qwen	0.10¢$0.98 / 1,000	-	777 / 1,830	estimated
91	Qwen3.8 FlashAlibaba Qwen	0.10¢$0.98 / 1,000	-	777 / 1,830	measured
92	Qwen3 30B A3BAlibaba Qwen	0.10¢$1.01 / 1,000	1327	777 / 1,830	estimated
93	Qwen2.5 72B InstructAlibaba Qwen	0.10¢$1.01 / 1,000	1303	777 / 1,830	estimated
94	Llama 3.1 70B InstructMeta	0.10¢$1.04 / 1,000	1293	770 / 1,824	estimated
95	T UnslopNemo 12BThedrummer	0.10¢$1.05 / 1,000	-	783 / 1,835	estimated
96	GPT-5.6 Luna ProOpenAI	0.10¢$1.05 / 1,000	-	718 / 755	estimated
97	GPT-5.6 LunaOpenAI	0.10¢$1.05 / 1,000	1453	718 / 755	estimated
98	Qwen3 235B A22B Instruct 2507Alibaba Qwen	0.11¢$1.08 / 1,000	1422	777 / 1,830	estimated
99	GPT-5.4 NanoOpenAI	0.11¢$1.09 / 1,000	1401	718 / 755	estimated
100	Mistral Small 3.2 24BMistral	0.11¢$1.10 / 1,000	1356	731 / 4,141	estimated
101	Hunyuan A13B InstructTencent	0.12¢$1.15 / 1,000	-	777 / 1,830	estimated
102	T Cydonia 24B V4.1Thedrummer	0.12¢$1.15 / 1,000	-	783 / 1,835	estimated
103	C UncensoredCognitivecomputations	0.12¢$1.15 / 1,000	-	896 / 1,083	estimated
104	Gemma 2 27BGoogle	0.12¢$1.17 / 1,000	1290	706 / 1,096	estimated
105	Command R (08-2024)Cohere	0.12¢$1.21 / 1,000	1250	766 / 1,820	estimated
106	Qwen3 VL 30B A3B InstructAlibaba Qwen	0.12¢$1.21 / 1,000	-	777 / 1,830	estimated
107	DeepSeek V4 Pro 0423DeepSeek	0.12¢$1.25 / 1,000	1458	746 / 2,614	estimated
108	MiniMax M2.5MiniMax	0.12¢$1.25 / 1,000	1391	874 / 1,067	estimated
109	GLM 5.3 FlashXZ.ai	0.13¢$1.27 / 1,000	-	730 / 797	estimated
110	DeepSeek V3.2 ExpDeepSeek	0.13¢$1.27 / 1,000	1425	746 / 2,614	estimated
111	DeepSeek V3.2DeepSeek	0.13¢$1.31 / 1,000	1425	746 / 2,614	estimated
112	MiniMax M2MiniMax	0.13¢$1.31 / 1,000	1343	874 / 1,067	estimated
113	Voxtral Small 24B 2507Mistral	0.13¢$1.32 / 1,000	-	731 / 4,141	estimated
114	MiMo-V2.6-ProXiaomi	0.13¢$1.32 / 1,000	1479	881 / 1,072	estimated best value
115	MiMo-V2.5-ProXiaomi	0.13¢$1.32 / 1,000	1467	881 / 1,072	estimated
116	Llama 4 MaverickMeta	0.13¢$1.33 / 1,000	1327	770 / 1,824	estimated
117	MiniMax-01MiniMax	0.13¢$1.35 / 1,000	-	874 / 1,067	estimated
118	T Skyfall 36B V2Thedrummer	0.14¢$1.36 / 1,000	-	896 / 1,083	estimated
119	Step 3.7 FlashStepFun	0.14¢$1.42 / 1,000	-	718 / 1,107	estimated
120	U ReMM SLERP 13BUndi95	0.15¢$1.46 / 1,000	-	777 / 1,830	estimated
121	GPT-3.5 TurboOpenAI	0.15¢$1.49 / 1,000	-	718 / 755	estimated
122	GPT-4.1 MiniOpenAI	0.15¢$1.50 / 1,000	1383	718 / 755	estimated
123	GPT-5.1-Codex-MiniOpenAI	0.15¢$1.50 / 1,000	-	718 / 662	estimated
124	GPT-5 MiniOpenAI	0.15¢$1.50 / 1,000	1390	718 / 662	estimated
125	Muse Glimmer 30BMeta	0.15¢$1.53 / 1,000	-	706 / 1,096	estimated
126	MiniMax M3MiniMax	0.15¢$1.54 / 1,000	1441	874 / 1,067	measured
127	MiniMax M2.7MiniMax	0.15¢$1.54 / 1,000	1415	874 / 1,067	estimated
128	MiniMax M2-herMiniMax	0.15¢$1.54 / 1,000	-	874 / 1,067	estimated
129	MiniMax M2.1MiniMax	0.15¢$1.54 / 1,000	1384	874 / 1,067	estimated
130	M LongCat 2.0Meituan	0.16¢$1.55 / 1,000	-	881 / 1,072	estimated
131	Qwen3 Coder NextAlibaba Qwen	0.16¢$1.56 / 1,000	-	777 / 1,830	estimated
132	Qwen3 VL 8B InstructAlibaba Qwen	0.16¢$1.57 / 1,000	-	777 / 1,830	estimated
133	WizardLM-2 8x22BMicrosoft	0.16¢$1.61 / 1,000	-	770 / 1,824	estimated
134	Qwen-PlusAlibaba Qwen	0.16¢$1.63 / 1,000	-	777 / 1,830	estimated
135	S Llama 3.1 Euryale 70B v2.2Sao10K	0.16¢$1.65 / 1,000	-	874 / 1,067	estimated
136	DeepSeek V4.1 Flash 1017DeepSeek	0.17¢$1.68 / 1,000	-	746 / 2,614	estimated
137	M Weaver (alpha)Mancer	0.17¢$1.68 / 1,000	-	777 / 1,830	estimated
138	P Perceptron Mk1Perceptron	0.17¢$1.75 / 1,000	-	887 / 1,076	estimated
139	N Hermes 3 70B InstructNous Research	0.18¢$1.82 / 1,000	-	770 / 1,824	estimated
140	Gemini 3.1 Flash LiteGoogle	0.18¢$1.82 / 1,000	-	706 / 1,096	estimated
141	Gemini 3.1 Flash Lite PreviewGoogle	0.18¢$1.82 / 1,000	1433	706 / 1,096	estimated
142	DeepSeek V4 Flash Vision ExpDeepSeek	0.19¢$1.85 / 1,000	-	746 / 2,614	estimated
143	Command A+Cohere	0.19¢$1.86 / 1,000	-	876 / 1,068	estimated
144	GLM 4.5VZ.ai	0.19¢$1.87 / 1,000	1352	730 / 797	estimated
145	S Llama 3.3 Euryale 70BSao10K	0.19¢$1.88 / 1,000	-	777 / 1,830	estimated
146	Qwen3 Coder FlashAlibaba Qwen	0.19¢$1.94 / 1,000	-	777 / 1,830	estimated
147	SonarPerplexity	0.19¢$1.94 / 1,000	-	874 / 1,067	estimated
148	Qwen3.6 35B A3BAlibaba Qwen	0.19¢$1.95 / 1,000	-	777 / 1,830	estimated
149	Qwen3.5-35B-A3BAlibaba Qwen	0.19¢$1.95 / 1,000	1394	777 / 1,830	estimated
150	N Hermes 3 405B InstructNous Research	0.20¢$1.95 / 1,000	-	881 / 1,072	estimated
151	GLM 4.6Z.ai	0.20¢$1.96 / 1,000	1424	730 / 797	estimated
152	GLM 4.7Z.ai	0.20¢$1.97 / 1,000	1441	730 / 797	estimated
153	M Morph V3 FastMorph	0.20¢$2.00 / 1,000	-	887 / 1,076	estimated
154	Qwen3 VL 30B A3B ThinkingAlibaba Qwen	0.21¢$2.06 / 1,000	-	777 / 1,830	estimated
155	A Aion 3.5 MiniAion Labs	0.21¢$2.06 / 1,000	-	720 / 1,109	estimated
156	A Aion-3.0-MiniAion Labs	0.21¢$2.06 / 1,000	-	720 / 1,109	estimated
157	Qwen3 Coder 480B A35BAlibaba Qwen	0.21¢$2.06 / 1,000	1388	777 / 1,830	estimated
158	R Relace Apply 3Relace	0.21¢$2.08 / 1,000	-	874 / 1,067	estimated
159	Qwen3 Next 80B A3B InstructAlibaba Qwen	0.21¢$2.08 / 1,000	1398	777 / 1,830	estimated
160	GLM 4.5Z.ai	0.22¢$2.19 / 1,000	1411	730 / 797	estimated
161	Qwen3.6 FlashAlibaba Qwen	0.22¢$2.20 / 1,000	-	777 / 1,830	estimated
162	GPT-3.5 Turbo (older v0613)OpenAI	0.22¢$2.23 / 1,000	-	718 / 755	estimated
163	Qwen3 Next 80B A3B ThinkingAlibaba Qwen	0.23¢$2.31 / 1,000	1369	777 / 1,830	estimated
164	Qwen2.5 Coder 32B InstructAlibaba Qwen	0.23¢$2.34 / 1,000	1271	777 / 1,830	estimated
165	A Aion-2.0Aion Labs	0.24¢$2.35 / 1,000	-	720 / 1,109	estimated
166	Seed 1.6ByteDance Seed	0.24¢$2.38 / 1,000	-	888 / 1,078	estimated
167	GLM 5.2Z.ai	0.24¢$2.38 / 1,000	1476	730 / 797	estimated
168	A Aion-RP 1.0 (8B)Aion Labs	0.24¢$2.42 / 1,000	-	881 / 1,072	estimated
169	Qwen2.5 VL 72B InstructAlibaba Qwen	0.25¢$2.45 / 1,000	-	777 / 1,830	estimated
170	Mistral Small 3.1 24BMistral	0.26¢$2.55 / 1,000	1303	731 / 4,141	estimated
171	DeepSeek V3DeepSeek	0.26¢$2.57 / 1,000	1358	746 / 2,614	estimated
172	GPT-3.5 Turbo InstructOpenAI	0.26¢$2.59 / 1,000	-	718 / 755	estimated
173	Qwen3.7 PlusAlibaba Qwen	0.26¢$2.59 / 1,000	1456	777 / 1,830	estimated
174	Mistral Small 4Mistral	0.26¢$2.59 / 1,000	-	731 / 4,141	estimated
175	SabaMistral	0.26¢$2.63 / 1,000	-	731 / 4,141	estimated
176	DeepSeek V3.1DeepSeek	0.27¢$2.67 / 1,000	1417	746 / 2,614	estimated
177	DeepSeek V3.1 TerminusDeepSeek	0.28¢$2.82 / 1,000	1416	746 / 2,614	estimated
178	MiniMax M1MiniMax	0.28¢$2.83 / 1,000	1364	874 / 1,067	estimated
179	M Morph V3 LargeMorph	0.28¢$2.84 / 1,000	-	887 / 1,076	estimated
180	Nova 2 LiteAmazon	0.29¢$2.91 / 1,000	1335	863 / 1,059	estimated
181	M Moondream 3 PreviewMoondream	0.29¢$2.93 / 1,000	-	874 / 1,067	estimated
182	M Moondream 3.1Moondream	0.29¢$2.93 / 1,000	-	874 / 1,067	estimated
183	Gemini 3.5 Flash LiteGoogle	0.30¢$2.95 / 1,000	1455	706 / 1,096	estimated
184	Gemini 2.5 FlashGoogle	0.30¢$2.95 / 1,000	1409	706 / 1,096	estimated
185	Kimi K2 0711Moonshot AI	0.30¢$2.99 / 1,000	1418	888 / 1,078	estimated
186	Qwen3.5 Plus 2026-02-15Alibaba Qwen	0.31¢$3.06 / 1,000	-	777 / 1,830	estimated
187	GLM 5.1Z.ai	0.31¢$3.12 / 1,000	1465	730 / 797	estimated
188	Seed 2.1 TurboByteDance Seed	0.31¢$3.14 / 1,000	-	888 / 1,078	estimated
189	Kimi K2.5Moonshot AI	0.31¢$3.14 / 1,000	1450	888 / 1,078	estimated
190	DeepSeek V3 0324DeepSeek	0.32¢$3.20 / 1,000	1395	746 / 2,614	estimated
191	Kimi K2 ThinkingMoonshot AI	0.32¢$3.22 / 1,000	-	726 / 1,115	estimated
192	Kimi K2 0905Moonshot AI	0.32¢$3.23 / 1,000	1419	888 / 1,078	estimated
193	GLM 5Z.ai	0.33¢$3.28 / 1,000	1457	730 / 797	estimated
194	Qwen3.5 Plus 2026-04-20Alibaba Qwen	0.35¢$3.53 / 1,000	-	777 / 1,830	estimated
195	Qwen3 VL 235B A22B InstructAlibaba Qwen	0.36¢$3.64 / 1,000	1413	777 / 1,830	estimated
196	Gemini 3 Flash PreviewGoogle	0.36¢$3.64 / 1,000	1473	706 / 1,096	estimated
197	o4 Mini HighOpenAI	0.37¢$3.70 / 1,000	-	718 / 662	estimated
198	o4 MiniOpenAI	0.37¢$3.70 / 1,000	1391	718 / 662	estimated
199	o3 Mini HighOpenAI	0.37¢$3.70 / 1,000	1364	718 / 662	estimated
200	o3 MiniOpenAI	0.37¢$3.70 / 1,000	1348	718 / 662	estimated
201	Step 5 PreviewStepFun	0.37¢$3.71 / 1,000	1447	718 / 1,107	estimated
202	E GlimpseElorian	0.37¢$3.73 / 1,000	-	874 / 1,067	estimated
203	Qwen3.6 PlusAlibaba Qwen	0.38¢$3.82 / 1,000	1443	777 / 1,830	estimated
204	Qwen3.6 27BAlibaba Qwen	0.39¢$3.85 / 1,000	-	777 / 1,830	estimated
205	GLM 5.3Z.ai	0.39¢$3.88 / 1,000	1478	730 / 797	estimated
206	GPT-5.4 MiniOpenAI	0.39¢$3.94 / 1,000	1447	718 / 755	estimated
207	Codestral 2508Mistral	0.39¢$3.95 / 1,000	-	731 / 4,141	estimated
208	R Beam 1.0 501B A23BReflection	0.40¢$3.99 / 1,000	-	706 / 1,096	estimated
209	Qwen3.5-122B-A10BAlibaba Qwen	0.40¢$4.01 / 1,000	1416	777 / 1,830	estimated
210	GLM 5V TurboZ.ai	0.41¢$4.06 / 1,000	1434	730 / 797	estimated
211	GLM 5 TurboZ.ai	0.41¢$4.06 / 1,000	-	730 / 797	estimated
212	R Relace SearchRelace	0.41¢$4.07 / 1,000	-	874 / 1,067	estimated
213	Nova Pro 1.0Amazon	0.41¢$4.08 / 1,000	1290	863 / 1,059	estimated
214	N Hermes 4 405BNous Research	0.41¢$4.10 / 1,000	-	881 / 1,072	estimated
215	U Pareto 26.10Unbiased	0.41¢$4.12 / 1,000	-	877 / 1,069	estimated
216	Qwen3.8 27BAlibaba Qwen	0.42¢$4.21 / 1,000	1438	777 / 1,830	estimated
217	Kimi K2.7 CodeMoonshot AI	0.42¢$4.22 / 1,000	-	726 / 1,115	estimated
218	Kimi K2.6Moonshot AI	0.43¢$4.25 / 1,000	1461	888 / 1,078	estimated
219	Gemini 3.7 FlashGoogle	0.46¢$4.64 / 1,000	1488	706 / 1,096	estimated best value
220	Gemini 3.6 FlashGoogle	0.46¢$4.64 / 1,000	1483	706 / 1,096	estimated
221	GPT-3.5 Turbo 16kOpenAI	0.48¢$4.80 / 1,000	-	718 / 662	estimated
222	Grok Build 0.1xAI	0.48¢$4.82 / 1,000	-	1,947 / 1,437	estimated
223	Qwen3.5-27BAlibaba Qwen	0.50¢$4.96 / 1,000	1409	777 / 1,830	estimated
224	Gemini 3.8 FlashGoogle	0.51¢$5.10 / 1,000	1496	706 / 1,096	measured best value
225	T Inkling SmallThinkingmachines	0.53¢$5.26 / 1,000	1404	710 / 4,116	estimated
226	Muse Spark OpenMeta	0.55¢$5.54 / 1,000	-	706 / 1,096	estimated
227	Muse Spark 1.3Meta	0.55¢$5.54 / 1,000	1494	706 / 1,096	estimated
228	Muse Spark 1.2Meta	0.55¢$5.54 / 1,000	1493	706 / 1,096	estimated
229	Muse Spark 1.1Meta	0.55¢$5.54 / 1,000	1490	706 / 1,096	estimated
230	Claude Haiku 4.5Anthropic	0.56¢$5.55 / 1,000	1414	987 / 913	estimated
231	DeepSeek V4 Pro 0813DeepSeek	0.57¢$5.67 / 1,000	-	746 / 2,614	estimated
232	R1 0528DeepSeek	0.60¢$5.99 / 1,000	1421	746 / 2,614	estimated
233	Grok 4.3xAI	0.60¢$6.03 / 1,000	1442	1,947 / 1,437	estimated
234	Grok 4.20 Multi-AgentxAI	0.60¢$6.03 / 1,000	-	1,947 / 1,437	estimated
235	Grok 4.20xAI	0.60¢$6.03 / 1,000	-	1,947 / 1,437	estimated
236	P Perceptron Mk1.5Perceptron	0.63¢$6.29 / 1,000	-	715 / 4,122	estimated
237	Mistral Large 3 2512Mistral	0.66¢$6.58 / 1,000	1414	731 / 4,141	estimated
238	o3OpenAI	0.67¢$6.73 / 1,000	1432	718 / 662	estimated
239	GPT-4.1OpenAI	0.67¢$6.73 / 1,000	1415	718 / 662	estimated
240	Qwen3 235B A22B Thinking 2507Alibaba Qwen	0.68¢$6.75 / 1,000	1400	777 / 1,830	estimated
241	W Palmyra X5Writer	0.70¢$6.96 / 1,000	-	881 / 1,072	estimated
242	Qwen3.5 397B A17BAlibaba Qwen	0.70¢$6.98 / 1,000	1442	777 / 1,830	estimated
243	R1DeepSeek	0.71¢$7.06 / 1,000	1398	746 / 2,614	estimated
244	GPT-5.1-Codex-MaxOpenAI	0.75¢$7.52 / 1,000	-	718 / 662	estimated
245	GPT-5.1-CodexOpenAI	0.75¢$7.52 / 1,000	-	718 / 662	estimated
246	GPT-5OpenAI	0.75¢$7.52 / 1,000	1435	718 / 662	estimated
247	A Magnum v4 72BAnthracite Org	0.76¢$7.56 / 1,000	-	881 / 1,072	estimated
248	GPT-6.1 Sol ProOpenAI	0.81¢$8.06 / 1,000	-	718 / 662	estimated
249	GPT-6.1 SolOpenAI	0.81¢$8.06 / 1,000	1484	718 / 662	measured
250	GPT-4o (2024-11-20)OpenAI	0.84¢$8.42 / 1,000	-	718 / 662	estimated
251	GPT-4o (2024-08-06)OpenAI	0.84¢$8.42 / 1,000	1336	718 / 662	estimated
252	GPT-4oOpenAI	0.84¢$8.42 / 1,000	-	718 / 662	estimated
253	Seed-2.0-LiteByteDance Seed	0.84¢$8.43 / 1,000	-	716 / 4,124	estimated
254	GPT-5.1OpenAI	0.84¢$8.45 / 1,000	1456	718 / 755	estimated
255	Devstral 2 2512Mistral	0.86¢$8.57 / 1,000	-	731 / 4,141	estimated
256	Mistral Medium 3.1Mistral	0.86¢$8.57 / 1,000	1408	731 / 4,141	estimated
257	Mistral Medium 3Mistral	0.86¢$8.57 / 1,000	1387	731 / 4,141	estimated
258	GPT-6 Sol ProOpenAI	0.90¢$8.99 / 1,000	-	718 / 755	estimated
259	GPT-6 SolOpenAI	0.90¢$8.99 / 1,000	1459	718 / 755	estimated
260	GLM 5.3 PrimeZ.ai	0.91¢$9.06 / 1,000	-	730 / 797	estimated
261	Mistral Large 4Mistral	0.92¢$9.15 / 1,000	1432	731 / 4,141	measured
262	Qwen3.7 MaxAlibaba Qwen	0.92¢$9.24 / 1,000	1474	777 / 1,830	estimated
263	Sonar Reasoning ProPerplexity	0.93¢$9.28 / 1,000	-	987 / 913	estimated
264	Sonar Deep ResearchPerplexity	0.93¢$9.28 / 1,000	-	987 / 913	estimated
265	U Pareto 26.9Unbiased	1.0¢$10.21 / 1,000	-	877 / 1,069	estimated
266	Nemotron 3 UltraNVIDIA	1.0¢$10.35 / 1,000	1426	722 / 4,130	estimated
267	GPT-5.6 Terra ProOpenAI	1.0¢$10.50 / 1,000	-	718 / 755	estimated
268	GPT-5.6 TerraOpenAI	1.0¢$10.50 / 1,000	1466	718 / 755	estimated
269	GPT-5.2-CodexOpenAI	1.1¢$10.52 / 1,000	-	718 / 662	estimated
270	GPT-5.2 ChatOpenAI	1.1¢$10.52 / 1,000	1476	718 / 662	estimated
271	Hy4 previewTencent	1.1¢$10.97 / 1,000	-	731 / 4,141	estimated
272	Claude Sonnet 5.5Anthropic	1.1¢$11.10 / 1,000	1475	987 / 913	measured
273	GPT-5.3-CodexOpenAI	1.2¢$11.83 / 1,000	-	718 / 755	estimated
274	GPT-5.2OpenAI	1.2¢$11.83 / 1,000	1437	718 / 755	estimated
275	Grok 4.7xAI	1.3¢$12.52 / 1,000	1444	1,947 / 1,437	measured
276	S Fugu MaxSakana	1.3¢$12.52 / 1,000	-	1,947 / 1,437	estimated
277	Grok 4.6xAI	1.3¢$12.52 / 1,000	1454	1,947 / 1,437	estimated
278	Grok 4.5xAI	1.3¢$12.52 / 1,000	1466	1,947 / 1,437	estimated
279	Qwen3.8 Max (0902)Alibaba Qwen	1.3¢$12.53 / 1,000	1482	777 / 1,830	estimated
280	Qwen3.8 2.4T A95BAlibaba Qwen	1.3¢$12.53 / 1,000	-	777 / 1,830	estimated
281	Seed-2.0-CodeByteDance Seed	1.3¢$12.73 / 1,000	-	716 / 4,124	estimated
282	Command ACohere	1.3¢$12.87 / 1,000	1354	876 / 1,068	estimated
283	Command R+ (08-2024)Cohere	1.3¢$12.87 / 1,000	1276	876 / 1,068	estimated
284	GPT-5.4OpenAI	1.3¢$13.12 / 1,000	1475	718 / 755	estimated
285	MiMo-V2.6-Pro-UltraSpeedXiaomi	1.3¢$13.16 / 1,000	-	881 / 1,072	estimated
286	GPT-4o (2024-05-13)OpenAI	1.4¢$13.52 / 1,000	1346	718 / 662	estimated
287	A Aion 3.5Aion Labs	1.4¢$13.79 / 1,000	-	1,814 / 1,392	estimated
288	A Aion-3.0Aion Labs	1.4¢$13.79 / 1,000	-	1,814 / 1,392	estimated
289	Claude Sonnet 5Anthropic	1.4¢$14.14 / 1,000	1461	987 / 1,217	estimated
290	Nova Premier 1.0Amazon	1.5¢$15.40 / 1,000	-	863 / 1,059	estimated
291	Claude Sonnet 4.5Anthropic	1.7¢$16.66 / 1,000	1455	987 / 913	estimated
292	S Sakana NamazuSakana	1.7¢$17.26 / 1,000	-	731 / 4,141	estimated
293	T InklingThinkingmachines	1.7¢$17.38 / 1,000	1441	710 / 4,116	estimated
294	GPT-5.6 Sol ProOpenAI	1.8¢$17.97 / 1,000	-	718 / 755	estimated
295	GPT-5.6 SolOpenAI	1.8¢$17.97 / 1,000	1485	718 / 755	estimated
296	Sonar ProPerplexity	1.9¢$18.63 / 1,000	-	874 / 1,067	estimated
297	Claude Sonnet 4.6Anthropic	2.1¢$21.22 / 1,000	1472	987 / 1,217	estimated
298	Claude Opus 5.5Anthropic	2.2¢$22.21 / 1,000	1508	987 / 913	estimated best value
299	GPT Chat LatestOpenAI	2.3¢$23.45 / 1,000	-	718 / 662	estimated
300	Qwen3.8 Max PrimeAlibaba Qwen	2.5¢$25.07 / 1,000	-	777 / 1,830	estimated
301	GPT-5.5OpenAI	2.6¢$26.24 / 1,000	1481	718 / 755	estimated
302	Mistral Large 2407Mistral	2.6¢$26.31 / 1,000	1314	731 / 4,141	estimated
303	Mixtral 8x22B InstructMistral	2.6¢$26.31 / 1,000	-	731 / 4,141	estimated
304	Mistral LargeMistral	2.6¢$26.31 / 1,000	-	731 / 4,141	estimated
305	Gemini 3.5 FlashGoogle	2.7¢$26.84 / 1,000	1478	706 / 2,864	estimated
306	GPT-4 TurboOpenAI	2.7¢$27.04 / 1,000	1324	718 / 662	estimated
307	Claude Opus 4.5Anthropic	2.8¢$27.76 / 1,000	1470	987 / 913	estimated
308	Gemini 2.5 ProGoogle	3.0¢$29.52 / 1,000	1445	706 / 2,864	estimated
309	Gemini 2.5 Pro Preview 06-05Google	3.0¢$29.52 / 1,000	-	706 / 2,864	estimated
310	Gemini 4 ArgonGoogle	3.0¢$30.05 / 1,000	1524	706 / 2,864	estimated best value
311	Mistral Medium 3.5Mistral	3.2¢$32.15 / 1,000	1426	731 / 4,141	estimated
312	Claude Opus 5Anthropic	3.5¢$35.36 / 1,000	1490	987 / 1,217	estimated
313	Claude Opus 4.8Anthropic	3.5¢$35.36 / 1,000	1482	987 / 1,217	estimated
314	Claude Opus 4.7Anthropic	3.5¢$35.36 / 1,000	1501	987 / 1,217	estimated
315	Claude Opus 4.6Anthropic	3.5¢$35.36 / 1,000	1503	987 / 1,217	estimated
316	Gemini 3.1 Pro Preview Custom ToolsGoogle	3.6¢$35.78 / 1,000	-	706 / 2,864	estimated
317	Gemini 3.1 Pro PreviewGoogle	3.6¢$35.78 / 1,000	1487	706 / 2,864	measured
318	GPT-6 AstraOpenAI	4.0¢$40.28 / 1,000	1477	718 / 662	estimated
319	GPT-6 Astra ProOpenAI	4.0¢$40.28 / 1,000	-	718 / 662	estimated
320	Sonar Pro SearchPerplexity	4.5¢$45.08 / 1,000	-	706 / 2,864	estimated
321	Kimi K3Moonshot AI	4.9¢$49.44 / 1,000	1487	716 / 4,124	estimated
322	o1OpenAI	5.0¢$50.49 / 1,000	1402	718 / 662	estimated
323	Claude Fable 5.1Anthropic	5.6¢$55.52 / 1,000	1502	987 / 913	estimated
324	Claude Fable 5Anthropic	5.6¢$55.52 / 1,000	1504	987 / 913	estimated
325	Muse WonderMeta	6.0¢$60.10 / 1,000	1509	706 / 2,864	estimated
326	GPT-4OpenAI	6.1¢$61.26 / 1,000	1288	718 / 662	estimated
327	F Ember-1Fireworks	6.4¢$64.01 / 1,000	-	716 / 4,124	estimated
328	o3 ProOpenAI	6.7¢$67.32 / 1,000	-	718 / 662	estimated
329	Claude Opus 4.1Anthropic	8.3¢$83.28 / 1,000	1448	987 / 913	estimated
330	S Fugu Ultra v2Sakana	8.9¢$89.45 / 1,000	-	706 / 2,864	estimated
331	S Fugu UltraSakana	8.9¢$89.45 / 1,000	-	706 / 2,864	estimated
332	GPT-5 ProOpenAI	9.0¢$90.21 / 1,000	-	718 / 662	estimated
333	GPT-5.2 ProOpenAI	13¢$126 / 1,000	-	718 / 662	estimated
334	GPT-5.5 ProOpenAI	14¢$141 / 1,000	-	718 / 662	estimated
335	GPT-5.4 ProOpenAI	14¢$141 / 1,000	-	718 / 662	estimated
336	o1-proOpenAI	50¢$505 / 1,000	-	718 / 662	estimated

Showing 100 of 336 models.

How the price is spread

Number of models per price band (log scale). Most models cluster in a narrow band; a few frontier and reasoning-heavy models cost 100x more.

FAQ

How much does it cost to proofread one page of text with AI?

On Oct 18, 2026 it costs from 0.02¢ with GLM 5.3 Flash to 5.6¢ with Claude Fable 5.1 among popular models. The median of 336 models is 0.24¢ per task.

What is the cheapest AI to proofread one page of text?

The cheapest model overall is Summarize at <0.01¢; the cheapest popular model is GLM 5.3 Flash at 0.02¢. The best value among popular models (cheap and highly rated) is Claude Opus 5.5 at 2.2¢.

Why do reasoning models cost more for the same task?

Reasoning (thinking) tokens are billed as output tokens even though you never see them. On some tasks a model thinks for thousands of tokens before a short answer, which can multiply the cost.

How is the cost calculated?

A 500-word page with typos returned as corrected text. We send the same prompt (521 words of input) to every measured model through OpenRouter with default settings and record the input, output and reasoning tokens it uses.