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How much does it cost to answer one chatbot question with AI?

Q: How much does it cost to answer one chatbot question with AI?

On Oct 18, 2026 it costs from 0.04¢ with GLM 5.3 Flash to 6.3¢ 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 answer one chatbot question?

The cheapest model overall is Summarize at <0.01¢; the cheapest popular model is GLM 5.3 Flash at 0.04¢. The best value among popular models (cheap and highly rated) is Gemini 3.8 Flash at 0.68¢.

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 typical chatbot question answered in a few practical paragraphs. We send the same prompt (31 words of input) to every measured model through OpenRouter with default settings and record the input, output and reasoning tokens it uses.

Between 0.04¢ (GLM 5.3 Flash) and 6.3¢ (Claude Fable 5.1) among popular models. The median across all 336 models is 0.24¢.

Cheapest popular0.04¢

Median0.24¢

Priciest popular6.3¢

1,000 tasks, cheapest$0.36

1,000 tasks, median$2.38

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¢$0.0035 / 1,000	-	88 / 1,598	estimated
2	S ExtractScaledown	<0.01¢$0.0035 / 1,000	-	88 / 1,598	estimated
3	Mistral NemoMistral	<0.01¢$0.04 / 1,000	-	40 / 1,377	estimated
4	gpt-oss-20bOpenAI	<0.01¢$0.06 / 1,000	1317	45 / 663	estimated best value
5	S Llama 3 8B LunarisSao10K	<0.01¢$0.08 / 1,000	-	88 / 1,598	estimated
6	I Ling 3.0 FlashInclusionai	0.01¢$0.10 / 1,000	-	87 / 1,597	estimated
7	Mistral Small 3Mistral	0.01¢$0.11 / 1,000	1274	40 / 1,377	estimated
8	Llama 3.1 8B InstructMeta	0.01¢$0.13 / 1,000	1211	87 / 1,592	estimated
9	Ministral 3 3B 2512Mistral	0.01¢$0.14 / 1,000	-	40 / 1,377	estimated
10	Gemma 3 4BGoogle	0.02¢$0.16 / 1,000	1303	35 / 1,631	estimated
11	R Reka EdgeRekaai	0.02¢$0.17 / 1,000	-	87 / 1,592	estimated
12	Granite 4.0 MicroIBM	0.02¢$0.18 / 1,000	-	87 / 1,592	estimated
13	G MythoMax 13BGryphe	0.02¢$0.18 / 1,000	-	88 / 1,598	estimated
14	P Laguna XS 2.1Poolside	0.02¢$0.20 / 1,000	-	89 / 1,610	estimated
15	gpt-oss-safeguard-20bOpenAI	0.02¢$0.20 / 1,000	-	45 / 663	estimated
16	Qwen3.7 FlashAlibaba Qwen	0.02¢$0.21 / 1,000	-	88 / 1,598	estimated
17	Ministral 3 8B 2512Mistral	0.02¢$0.21 / 1,000	-	40 / 1,377	estimated
18	Nova Micro 1.0Amazon	0.02¢$0.22 / 1,000	-	85 / 1,578	estimated
19	Phi 4Microsoft	0.02¢$0.23 / 1,000	1256	87 / 1,592	estimated
20	Command R7B (12-2024)Cohere	0.02¢$0.24 / 1,000	-	86 / 1,588	estimated
21	I Schematron V2 TurboInference Net	0.02¢$0.24 / 1,000	-	88 / 1,600	estimated
22	Gemma 3 12BGoogle	0.02¢$0.25 / 1,000	1342	35 / 1,631	estimated best value
23	Qwen3.5-9BAlibaba Qwen	0.02¢$0.25 / 1,000	-	88 / 1,598	estimated
24	GPT-5 NanoOpenAI	0.03¢$0.27 / 1,000	1338	45 / 663	estimated
25	Ministral 3 14B 2512Mistral	0.03¢$0.28 / 1,000	-	40 / 1,377	estimated
26	Hy-MT2-1.8BTencent	0.03¢$0.29 / 1,000	-	88 / 1,598	estimated
27	I Ling 3.0 Flash VLInclusionai	0.03¢$0.29 / 1,000	-	87 / 1,597	estimated
28	P Laguna S 2.1Poolside	0.03¢$0.30 / 1,000	-	89 / 1,610	estimated
29	Llama Guard 4 12BMeta	0.03¢$0.30 / 1,000	-	87 / 1,592	estimated
30	Llama 3.2 1B InstructMeta	0.03¢$0.32 / 1,000	1111	87 / 1,592	estimated
31	Nemotron 3.5 LightningNVIDIA	0.03¢$0.33 / 1,000	1351	88 / 1,603	estimated best value
32	UI-TARS 7B ByteDance	0.03¢$0.33 / 1,000	-	87 / 1,592	estimated
33	Qwen2.5 7B InstructAlibaba Qwen	0.03¢$0.33 / 1,000	-	88 / 1,598	estimated
34	Nemotron 3.5 Content SafetyNVIDIA	0.03¢$0.34 / 1,000	-	88 / 1,603	estimated
35	Mistral Small 3.2 24BMistral	0.03¢$0.35 / 1,000	1356	40 / 1,377	estimated best value
36	GLM 5.3 FlashZ.ai	0.04¢$0.36 / 1,000	1474	48 / 1,782	measured best value
37	Muse Spark 1.3 ContributorMeta	0.04¢$0.36 / 1,000	-	48 / 1,782	estimated
38	Muse Spark 1.2 ContributorMeta	0.04¢$0.36 / 1,000	-	48 / 1,782	estimated
39	R Reka Flash 3Rekaai	0.04¢$0.36 / 1,000	-	48 / 1,782	estimated
40	U Solar Pro 4Upstage	0.04¢$0.36 / 1,000	1386	43 / 1,001	estimated
41	I Ling 3.1 FlashInclusionai	0.04¢$0.37 / 1,000	-	87 / 1,597	estimated
42	Gemma 4 26B A4B Google	0.04¢$0.37 / 1,000	1438	35 / 1,631	estimated
43	I Schematron V2 SmallInference Net	0.04¢$0.37 / 1,000	-	88 / 1,600	estimated
44	Nova Lite 1.0Amazon	0.04¢$0.38 / 1,000	1260	85 / 1,578	estimated
45	Nemotron 3 Nano 30B A3BNVIDIA	0.04¢$0.39 / 1,000	1314	88 / 1,603	estimated
46	Qwen3 14BAlibaba Qwen	0.04¢$0.39 / 1,000	-	88 / 1,598	estimated
47	gpt-oss-120bOpenAI	0.04¢$0.40 / 1,000	1352	45 / 663	estimated
48	Seed-2.0-MiniByteDance Seed	0.04¢$0.41 / 1,000	-	44 / 1,012	estimated
49	Voxtral Small 24B 2507Mistral	0.04¢$0.42 / 1,000	-	40 / 1,377	estimated
50	Qwen3.5-FlashAlibaba Qwen	0.04¢$0.42 / 1,000	1396	88 / 1,598	estimated
51	Qwen3 Coder 30B A3B InstructAlibaba Qwen	0.05¢$0.45 / 1,000	-	88 / 1,598	estimated
52	Qwen3 32BAlibaba Qwen	0.05¢$0.45 / 1,000	1347	88 / 1,598	estimated
53	MiMo-V2.6-FlashXiaomi	0.05¢$0.46 / 1,000	1451	87 / 1,592	estimated
54	MiMo-V2.5Xiaomi	0.05¢$0.46 / 1,000	1434	87 / 1,592	estimated
55	Nemotron 3 SuperNVIDIA	0.05¢$0.46 / 1,000	1360	44 / 1,018	estimated
56	GPT-4.1 NanoOpenAI	0.05¢$0.48 / 1,000	1322	45 / 1,179	estimated
57	Hy-MT2-30B-A3BTencent	0.05¢$0.48 / 1,000	-	88 / 1,598	estimated
58	Hy-MT2-7BTencent	0.05¢$0.48 / 1,000	-	88 / 1,598	estimated
59	Seed 1.6 FlashByteDance Seed	0.05¢$0.49 / 1,000	-	88 / 1,598	estimated
60	Llama 4 ScoutMeta	0.05¢$0.49 / 1,000	1322	87 / 1,592	estimated
61	Qwen3 30B A3B Instruct 2507Alibaba Qwen	0.05¢$0.49 / 1,000	1382	88 / 1,598	estimated
62	P Ternary Bonsai 2 27BPrism Ml	0.05¢$0.51 / 1,000	-	44 / 1,011	estimated
63	Llama 3.3 70B InstructMeta	0.05¢$0.52 / 1,000	1318	87 / 1,592	estimated
64	Llama 3.2 3B InstructMeta	0.05¢$0.53 / 1,000	1167	87 / 1,592	estimated
65	Step 3.5 FlashStepFun	0.05¢$0.54 / 1,000	1393	47 / 1,780	estimated
66	Gemma 3 27BGoogle	0.06¢$0.57 / 1,000	1366	35 / 1,631	estimated
67	GPT-6 Luna ProOpenAI	0.06¢$0.59 / 1,000	-	45 / 1,179	estimated
68	GPT-6 LunaOpenAI	0.06¢$0.59 / 1,000	1443	45 / 1,179	measured
69	U Solar Pro 3Upstage	0.06¢$0.61 / 1,000	-	43 / 1,001	estimated
70	N Nex-N2.5-MiniNex Agi	0.06¢$0.63 / 1,000	-	65 / 6,320	estimated
71	Nemotron 3.5 Super VLNVIDIA	0.07¢$0.65 / 1,000	-	88 / 1,603	estimated
72	Claude Haiku 5.5Anthropic	0.07¢$0.66 / 1,000	-	61 / 1,299	measured
73	Gemini 2.5 Flash LiteGoogle	0.07¢$0.66 / 1,000	1375	35 / 1,631	estimated
74	Gemma 4 31BGoogle	0.07¢$0.66 / 1,000	1452	35 / 1,631	estimated
75	Qwen2.5 72B InstructAlibaba Qwen	0.07¢$0.67 / 1,000	1303	88 / 1,598	estimated
76	Llama 3.1 70B InstructMeta	0.07¢$0.67 / 1,000	1293	87 / 1,592	estimated
77	T UnslopNemo 12BThedrummer	0.07¢$0.68 / 1,000	-	88 / 1,603	estimated
78	Hy3Tencent	0.07¢$0.69 / 1,000	1453	61 / 1,299	estimated
79	GPT-4o-miniOpenAI	0.07¢$0.71 / 1,000	-	45 / 1,179	estimated
80	GPT-4o-mini (2024-07-18)OpenAI	0.07¢$0.71 / 1,000	1318	45 / 1,179	estimated
81	GLM 4.7 FlashZ.ai	0.07¢$0.72 / 1,000	1364	48 / 1,782	estimated
82	I Mercury 2Inception	0.07¢$0.75 / 1,000	1343	42 / 983	estimated
83	Qwen3.8 Omni FlashAlibaba Qwen	0.08¢$0.76 / 1,000	-	88 / 1,598	estimated
84	Qwen3.8 FlashAlibaba Qwen	0.08¢$0.76 / 1,000	-	88 / 1,598	measured
85	Mistral Small 3.1 24BMistral	0.08¢$0.78 / 1,000	1303	40 / 1,377	estimated
86	Hy3 previewTencent	0.08¢$0.79 / 1,000	1409	61 / 1,299	estimated
87	Qwen3 30B A3BAlibaba Qwen	0.08¢$0.81 / 1,000	1327	88 / 1,598	estimated
88	T Cydonia 24B V4.1Thedrummer	0.08¢$0.83 / 1,000	-	88 / 1,603	estimated
89	Mistral Small 4Mistral	0.08¢$0.83 / 1,000	-	40 / 1,377	estimated
90	SabaMistral	0.08¢$0.83 / 1,000	-	40 / 1,377	estimated
91	T Skyfall 36B V2Thedrummer	0.09¢$0.87 / 1,000	-	210 / 940	estimated
92	Qwen3 235B A22B Instruct 2507Alibaba Qwen	0.09¢$0.89 / 1,000	1422	88 / 1,598	estimated
93	C UncensoredCognitivecomputations	0.09¢$0.89 / 1,000	-	210 / 940	estimated
94	MiMo-V2.6-ProXiaomi	0.09¢$0.90 / 1,000	1479	206 / 933	estimated best value
95	MiMo-V2.5-ProXiaomi	0.09¢$0.90 / 1,000	1467	206 / 933	estimated
96	DeepSeek V4.1 FlashDeepSeek	0.09¢$0.91 / 1,000	1475	65 / 6,320	measured
97	Hunyuan A13B InstructTencent	0.09¢$0.92 / 1,000	-	88 / 1,598	estimated
98	MiniMax M2.5MiniMax	0.09¢$0.94 / 1,000	1391	205 / 929	estimated
99	I Mercury 2.5Inception	0.09¢$0.95 / 1,000	-	63 / 6,295	estimated
100	S Llama 3.1 Euryale 70B v2.2Sao10K	0.10¢$0.96 / 1,000	-	205 / 929	estimated
101	Command R (08-2024)Cohere	0.10¢$0.97 / 1,000	1250	86 / 1,588	estimated
102	Qwen3 VL 30B A3B InstructAlibaba Qwen	0.10¢$0.97 / 1,000	-	88 / 1,598	estimated
103	MiniMax M2MiniMax	0.10¢$1.00 / 1,000	1343	205 / 929	estimated
104	WizardLM-2 8x22BMicrosoft	0.10¢$1.04 / 1,000	-	87 / 1,592	estimated
105	Llama 4 MaverickMeta	0.11¢$1.06 / 1,000	1327	87 / 1,592	estimated
106	MiniMax-01MiniMax	0.11¢$1.06 / 1,000	-	205 / 929	estimated
107	U ReMM SLERP 13BUndi95	0.11¢$1.07 / 1,000	-	88 / 1,598	estimated
108	Gemma 2 27BGoogle	0.11¢$1.08 / 1,000	1290	35 / 1,631	estimated
109	SonarPerplexity	0.11¢$1.13 / 1,000	-	205 / 929	estimated
110	N Hermes 3 405B InstructNous Research	0.11¢$1.14 / 1,000	-	206 / 933	estimated
111	DeepSeek V4 Flash 0423DeepSeek	0.12¢$1.16 / 1,000	1439	65 / 6,320	estimated
112	N Hermes 3 70B InstructNous Research	0.12¢$1.18 / 1,000	-	87 / 1,592	estimated
113	MiniMax M3MiniMax	0.12¢$1.18 / 1,000	1441	205 / 929	measured
114	MiniMax M2.7MiniMax	0.12¢$1.18 / 1,000	1415	205 / 929	estimated
115	MiniMax M2-herMiniMax	0.12¢$1.18 / 1,000	-	205 / 929	estimated
116	MiniMax M2.1MiniMax	0.12¢$1.18 / 1,000	1384	205 / 929	estimated
117	M LongCat 2.0Meituan	0.12¢$1.18 / 1,000	-	206 / 932	estimated
118	Qwen3 VL 8B InstructAlibaba Qwen	0.12¢$1.22 / 1,000	-	88 / 1,598	estimated
119	M Weaver (alpha)Mancer	0.12¢$1.23 / 1,000	-	88 / 1,598	estimated
120	LFM2.5-24B-A2BLiquid AI	0.12¢$1.25 / 1,000	-	48 / 1,782	estimated
121	Codestral 2508Mistral	0.13¢$1.25 / 1,000	-	40 / 1,377	estimated
122	S Llama 3.3 Euryale 70BSao10K	0.13¢$1.26 / 1,000	-	88 / 1,598	estimated
123	U Solar Mini 4Upstage	0.13¢$1.27 / 1,000	-	64 / 6,316	estimated
124	Qwen-PlusAlibaba Qwen	0.13¢$1.27 / 1,000	-	88 / 1,598	estimated
125	M Morph V3 FastMorph	0.13¢$1.29 / 1,000	-	208 / 935	estimated
126	Qwen3 Coder NextAlibaba Qwen	0.13¢$1.29 / 1,000	-	88 / 1,598	estimated
127	R Relace Apply 3Relace	0.13¢$1.34 / 1,000	-	205 / 929	estimated
128	GPT-5.1-Codex-MiniOpenAI	0.13¢$1.34 / 1,000	-	45 / 663	estimated
129	GPT-5 MiniOpenAI	0.13¢$1.34 / 1,000	1390	45 / 663	estimated
130	A Trinity Large ThinkingArcee AI	0.14¢$1.42 / 1,000	1367	45 / 1,765	estimated
131	GPT-5.6 Luna ProOpenAI	0.14¢$1.42 / 1,000	-	45 / 1,179	estimated
132	GPT-5.6 LunaOpenAI	0.14¢$1.42 / 1,000	1453	45 / 1,179	estimated
133	P Perceptron Mk1Perceptron	0.14¢$1.43 / 1,000	-	208 / 935	estimated
134	Command A+Cohere	0.15¢$1.46 / 1,000	-	205 / 930	estimated
135	GPT-5.4 NanoOpenAI	0.15¢$1.48 / 1,000	1401	45 / 1,179	estimated
136	GLM 4.5 AirZ.ai	0.15¢$1.52 / 1,000	1373	48 / 1,782	estimated
137	Qwen3 Coder FlashAlibaba Qwen	0.16¢$1.58 / 1,000	-	88 / 1,598	estimated
138	Granite 4.2 8BIBM	0.16¢$1.58 / 1,000	1290	65 / 6,322	estimated
139	N Nex-N2.5-ProNex Agi	0.16¢$1.58 / 1,000	-	65 / 6,320	estimated
140	Qwen3.6 35B A3BAlibaba Qwen	0.16¢$1.61 / 1,000	-	88 / 1,598	estimated
141	Qwen3.5-35B-A3BAlibaba Qwen	0.16¢$1.61 / 1,000	1394	88 / 1,598	estimated
142	GLM 4.6VZ.ai	0.16¢$1.62 / 1,000	1378	48 / 1,782	estimated
143	Qwen3 VL 30B A3B ThinkingAlibaba Qwen	0.16¢$1.62 / 1,000	-	88 / 1,598	estimated
144	Qwen3 Coder 480B A35BAlibaba Qwen	0.16¢$1.62 / 1,000	1388	88 / 1,598	estimated
145	T Inkling SmallThinkingmachines	0.17¢$1.65 / 1,000	1404	38 / 1,362	estimated
146	A Aion-RP 1.0 (8B)Aion Labs	0.17¢$1.66 / 1,000	-	206 / 932	estimated
147	Qwen2.5 Coder 32B InstructAlibaba Qwen	0.17¢$1.66 / 1,000	1271	88 / 1,598	estimated
148	Qwen2.5 VL 72B InstructAlibaba Qwen	0.17¢$1.67 / 1,000	-	88 / 1,598	estimated
149	Qwen3 Next 80B A3B InstructAlibaba Qwen	0.18¢$1.77 / 1,000	1398	88 / 1,598	estimated
150	GPT-3.5 TurboOpenAI	0.18¢$1.79 / 1,000	-	45 / 1,179	estimated
151	Qwen3.6 FlashAlibaba Qwen	0.18¢$1.81 / 1,000	-	88 / 1,598	estimated
152	Step 3.7 FlashStepFun	0.19¢$1.90 / 1,000	-	35 / 1,644	estimated
153	DeepSeek V4 Flash 0731DeepSeek	0.19¢$1.90 / 1,000	-	65 / 6,320	estimated
154	GPT-4.1 MiniOpenAI	0.19¢$1.90 / 1,000	1383	45 / 1,179	estimated
155	Seed 1.6ByteDance Seed	0.19¢$1.92 / 1,000	-	208 / 936	estimated
156	Qwen3 Next 80B A3B ThinkingAlibaba Qwen	0.19¢$1.93 / 1,000	1369	88 / 1,598	estimated
157	M Morph V3 LargeMorph	0.20¢$1.96 / 1,000	-	208 / 935	estimated
158	Muse Glimmer 30BMeta	0.20¢$1.97 / 1,000	-	35 / 1,631	estimated
159	P Perceptron Mk1.5Perceptron	0.21¢$2.05 / 1,000	-	39 / 1,365	estimated
160	Qwen3.7 PlusAlibaba Qwen	0.21¢$2.07 / 1,000	1456	88 / 1,598	estimated
161	Mistral Large 3 2512Mistral	0.21¢$2.09 / 1,000	1414	40 / 1,377	estimated
162	MiniMax M1MiniMax	0.22¢$2.16 / 1,000	1364	205 / 929	estimated
163	GLM 5.3 FlashXZ.ai	0.22¢$2.25 / 1,000	-	48 / 1,782	estimated
164	Kimi K2 0711Moonshot AI	0.23¢$2.27 / 1,000	1418	208 / 936	estimated
165	A Aion 3.5 MiniAion Labs	0.23¢$2.33 / 1,000	-	35 / 1,647	estimated
166	A Aion-3.0-MiniAion Labs	0.23¢$2.33 / 1,000	-	35 / 1,647	estimated
167	Nova 2 LiteAmazon	0.24¢$2.37 / 1,000	1335	202 / 923	estimated
168	M Moondream 3 PreviewMoondream	0.24¢$2.38 / 1,000	-	205 / 929	estimated
169	M Moondream 3.1Moondream	0.24¢$2.38 / 1,000	-	205 / 929	estimated
170	GPT-3.5 Turbo (older v0613)OpenAI	0.24¢$2.40 / 1,000	-	45 / 1,179	estimated
171	GPT-3.5 Turbo InstructOpenAI	0.24¢$2.43 / 1,000	-	45 / 1,179	estimated
172	Seed 2.1 TurboByteDance Seed	0.24¢$2.44 / 1,000	-	208 / 936	estimated
173	Kimi K2.5Moonshot AI	0.24¢$2.44 / 1,000	1450	208 / 936	estimated
174	Gemini 3.1 Flash LiteGoogle	0.25¢$2.46 / 1,000	-	35 / 1,631	estimated
175	Gemini 3.1 Flash Lite PreviewGoogle	0.25¢$2.46 / 1,000	1433	35 / 1,631	estimated
176	Kimi K2 0905Moonshot AI	0.25¢$2.46 / 1,000	1419	208 / 936	estimated
177	Qwen3.5 Plus 2026-02-15Alibaba Qwen	0.25¢$2.52 / 1,000	-	88 / 1,598	estimated
178	DeepSeek V3.2 ExpDeepSeek	0.26¢$2.61 / 1,000	1425	65 / 6,320	estimated
179	DeepSeek V4 Pro 0423DeepSeek	0.27¢$2.65 / 1,000	1458	65 / 6,320	estimated
180	A Aion-2.0Aion Labs	0.27¢$2.66 / 1,000	-	35 / 1,647	estimated
181	DeepSeek V3.2DeepSeek	0.27¢$2.67 / 1,000	1425	65 / 6,320	estimated
182	Seed-2.0-LiteByteDance Seed	0.27¢$2.74 / 1,000	-	39 / 1,366	estimated
183	Devstral 2 2512Mistral	0.28¢$2.77 / 1,000	-	40 / 1,377	estimated
184	Mistral Medium 3.1Mistral	0.28¢$2.77 / 1,000	1408	40 / 1,377	estimated
185	Mistral Medium 3Mistral	0.28¢$2.77 / 1,000	1387	40 / 1,377	estimated
186	GPT-3.5 Turbo 16kOpenAI	0.28¢$2.79 / 1,000	-	45 / 663	estimated
187	Qwen3.5 Plus 2026-04-20Alibaba Qwen	0.29¢$2.90 / 1,000	-	88 / 1,598	estimated
188	Mistral Large 4Mistral	0.29¢$2.91 / 1,000	1432	40 / 1,377	measured
189	E GlimpseElorian	0.29¢$2.91 / 1,000	-	205 / 929	estimated
190	o4 Mini HighOpenAI	0.30¢$2.97 / 1,000	-	45 / 663	estimated
191	o4 MiniOpenAI	0.30¢$2.97 / 1,000	1391	45 / 663	estimated
192	o3 Mini HighOpenAI	0.30¢$2.97 / 1,000	1364	45 / 663	estimated
193	o3 MiniOpenAI	0.30¢$2.97 / 1,000	1348	45 / 663	estimated
194	R Relace SearchRelace	0.30¢$2.99 / 1,000	-	205 / 929	estimated
195	N Hermes 4 405BNous Research	0.30¢$3.00 / 1,000	-	206 / 933	estimated
196	Qwen3 VL 235B A22B InstructAlibaba Qwen	0.31¢$3.05 / 1,000	1413	88 / 1,598	estimated
197	Nova Pro 1.0Amazon	0.31¢$3.12 / 1,000	1290	202 / 923	estimated
198	U Pareto 26.10Unbiased	0.31¢$3.14 / 1,000	-	205 / 930	estimated
199	Qwen3.6 PlusAlibaba Qwen	0.31¢$3.14 / 1,000	1443	88 / 1,598	estimated
200	Qwen3.6 27BAlibaba Qwen	0.32¢$3.22 / 1,000	-	88 / 1,598	estimated
201	GLM 4.5VZ.ai	0.32¢$3.24 / 1,000	1352	48 / 1,782	estimated
202	Nemotron 3 UltraNVIDIA	0.33¢$3.31 / 1,000	1426	39 / 1,370	estimated
203	Kimi K2.6Moonshot AI	0.33¢$3.33 / 1,000	1461	208 / 936	estimated
204	Qwen3.5-122B-A10BAlibaba Qwen	0.33¢$3.35 / 1,000	1416	88 / 1,598	estimated
205	Hy4 previewTencent	0.35¢$3.48 / 1,000	-	40 / 1,377	estimated
206	Qwen3.8 27BAlibaba Qwen	0.35¢$3.54 / 1,000	1438	88 / 1,598	estimated
207	GLM 4.7Z.ai	0.36¢$3.55 / 1,000	1441	48 / 1,782	estimated
208	GLM 4.6Z.ai	0.36¢$3.59 / 1,000	1424	48 / 1,782	estimated
209	Grok Build 0.1xAI	0.36¢$3.62 / 1,000	-	1,280 / 1,170	estimated
210	DeepSeek V4.1 Flash 1017DeepSeek	0.38¢$3.80 / 1,000	-	65 / 6,320	estimated
211	GLM 4.5Z.ai	0.39¢$3.95 / 1,000	1411	48 / 1,782	estimated
212	Gemini 3.5 Flash LiteGoogle	0.41¢$4.09 / 1,000	1455	35 / 1,631	estimated
213	Gemini 2.5 FlashGoogle	0.41¢$4.09 / 1,000	1409	35 / 1,631	estimated
214	DeepSeek V4 Flash Vision ExpDeepSeek	0.41¢$4.10 / 1,000	-	65 / 6,320	estimated
215	Seed-2.0-CodeByteDance Seed	0.41¢$4.12 / 1,000	-	39 / 1,366	estimated
216	Kimi K2 ThinkingMoonshot AI	0.42¢$4.16 / 1,000	-	36 / 1,654	estimated
217	Qwen3.5-27BAlibaba Qwen	0.42¢$4.18 / 1,000	1409	88 / 1,598	estimated
218	GLM 5.2Z.ai	0.43¢$4.34 / 1,000	1476	48 / 1,782	estimated
219	Step 5 PreviewStepFun	0.45¢$4.47 / 1,000	1447	35 / 1,644	estimated
220	Grok 4.3xAI	0.45¢$4.53 / 1,000	1442	1,280 / 1,170	estimated
221	Grok 4.20 Multi-AgentxAI	0.45¢$4.53 / 1,000	-	1,280 / 1,170	estimated
222	Grok 4.20xAI	0.45¢$4.53 / 1,000	-	1,280 / 1,170	estimated
223	Gemini 3 Flash PreviewGoogle	0.49¢$4.91 / 1,000	1473	35 / 1,631	estimated
224	R Beam 1.0 501B A23BReflection	0.49¢$4.93 / 1,000	-	35 / 1,631	estimated
225	A Magnum v4 72BAnthracite Org	0.52¢$5.18 / 1,000	-	206 / 933	estimated
226	GPT-5.4 MiniOpenAI	0.53¢$5.34 / 1,000	1447	45 / 1,179	estimated
227	o3OpenAI	0.54¢$5.39 / 1,000	1432	45 / 663	estimated
228	GPT-4.1OpenAI	0.54¢$5.39 / 1,000	1415	45 / 663	estimated
229	GLM 5.1Z.ai	0.55¢$5.46 / 1,000	1465	48 / 1,782	estimated
230	S Sakana NamazuSakana	0.55¢$5.55 / 1,000	-	40 / 1,377	estimated
231	T InklingThinkingmachines	0.56¢$5.55 / 1,000	1441	38 / 1,362	estimated
232	Kimi K2.7 CodeMoonshot AI	0.56¢$5.57 / 1,000	-	36 / 1,654	estimated
233	Qwen3 235B A22B Thinking 2507Alibaba Qwen	0.56¢$5.63 / 1,000	1400	88 / 1,598	estimated
234	DeepSeek V3DeepSeek	0.56¢$5.65 / 1,000	1358	65 / 6,320	estimated
235	W Palmyra X5Writer	0.57¢$5.72 / 1,000	-	206 / 933	estimated
236	GLM 5Z.ai	0.58¢$5.75 / 1,000	1457	48 / 1,782	estimated
237	Qwen3.5 397B A17BAlibaba Qwen	0.58¢$5.80 / 1,000	1442	88 / 1,598	estimated
238	DeepSeek V3.1DeepSeek	0.60¢$6.02 / 1,000	1417	65 / 6,320	estimated
239	Gemini 3.7 FlashGoogle	0.61¢$6.14 / 1,000	1488	35 / 1,631	estimated best value
240	Gemini 3.6 FlashGoogle	0.61¢$6.14 / 1,000	1483	35 / 1,631	estimated
241	DeepSeek V3.1 TerminusDeepSeek	0.63¢$6.34 / 1,000	1416	65 / 6,320	estimated
242	Claude Haiku 4.5Anthropic	0.63¢$6.34 / 1,000	1414	61 / 1,256	estimated
243	GPT-5.1-Codex-MaxOpenAI	0.67¢$6.69 / 1,000	-	45 / 663	estimated
244	GPT-5.1-CodexOpenAI	0.67¢$6.69 / 1,000	-	45 / 663	estimated
245	GPT-5OpenAI	0.67¢$6.69 / 1,000	1435	45 / 663	estimated
246	GPT-6.1 Sol ProOpenAI	0.67¢$6.72 / 1,000	-	45 / 663	estimated
247	GPT-6.1 SolOpenAI	0.67¢$6.72 / 1,000	1484	45 / 663	measured
248	GPT-4o (2024-11-20)OpenAI	0.67¢$6.74 / 1,000	-	45 / 663	estimated
249	GPT-4o (2024-08-06)OpenAI	0.67¢$6.74 / 1,000	1336	45 / 663	estimated
250	GPT-4oOpenAI	0.67¢$6.74 / 1,000	-	45 / 663	estimated
251	Gemini 3.8 FlashGoogle	0.68¢$6.76 / 1,000	1496	35 / 1,631	measured best value
252	Muse Spark OpenMeta	0.70¢$6.98 / 1,000	-	35 / 1,631	estimated
253	Muse Spark 1.3Meta	0.70¢$6.98 / 1,000	1494	35 / 1,631	estimated
254	Muse Spark 1.2Meta	0.70¢$6.98 / 1,000	1493	35 / 1,631	estimated
255	Muse Spark 1.1Meta	0.70¢$6.98 / 1,000	1490	35 / 1,631	estimated
256	GLM 5V TurboZ.ai	0.72¢$7.19 / 1,000	1434	48 / 1,782	estimated
257	GLM 5 TurboZ.ai	0.72¢$7.19 / 1,000	-	48 / 1,782	estimated
258	Qwen3.7 MaxAlibaba Qwen	0.72¢$7.20 / 1,000	1474	88 / 1,598	estimated
259	DeepSeek V3 0324DeepSeek	0.72¢$7.22 / 1,000	1395	65 / 6,320	estimated
260	U Pareto 26.9Unbiased	0.75¢$7.49 / 1,000	-	205 / 930	estimated
261	Mistral Large 2407Mistral	0.83¢$8.34 / 1,000	1314	40 / 1,377	estimated
262	Mixtral 8x22B InstructMistral	0.83¢$8.34 / 1,000	-	40 / 1,377	estimated
263	Mistral LargeMistral	0.83¢$8.34 / 1,000	-	40 / 1,377	estimated
264	GLM 5.3Z.ai	0.86¢$8.56 / 1,000	1478	48 / 1,782	estimated
265	MiMo-V2.6-Pro-UltraSpeedXiaomi	0.90¢$9.01 / 1,000	-	206 / 933	estimated
266	GPT-5.2-CodexOpenAI	0.94¢$9.36 / 1,000	-	45 / 663	estimated
267	GPT-5.2 ChatOpenAI	0.94¢$9.36 / 1,000	1476	45 / 663	estimated
268	Grok 4.7xAI	0.96¢$9.58 / 1,000	1444	1,280 / 1,170	measured
269	S Fugu MaxSakana	0.96¢$9.58 / 1,000	-	1,280 / 1,170	estimated
270	Grok 4.6xAI	0.96¢$9.58 / 1,000	1454	1,280 / 1,170	estimated
271	Grok 4.5xAI	0.96¢$9.58 / 1,000	1466	1,280 / 1,170	estimated
272	Qwen3.8 Max (0902)Alibaba Qwen	0.98¢$9.76 / 1,000	1482	88 / 1,598	estimated
273	Qwen3.8 2.4T A95BAlibaba Qwen	0.98¢$9.76 / 1,000	-	88 / 1,598	estimated
274	Command ACohere	0.98¢$9.81 / 1,000	1354	205 / 930	estimated
275	Command R+ (08-2024)Cohere	0.98¢$9.81 / 1,000	1276	205 / 930	estimated
276	Sonar Reasoning ProPerplexity	1.0¢$10.17 / 1,000	-	61 / 1,256	estimated
277	Sonar Deep ResearchPerplexity	1.0¢$10.17 / 1,000	-	61 / 1,256	estimated
278	GPT-4o (2024-05-13)OpenAI	1.0¢$10.17 / 1,000	1346	45 / 663	estimated
279	A Aion 3.5Aion Labs	1.0¢$10.36 / 1,000	-	1,192 / 1,131	estimated
280	A Aion-3.0Aion Labs	1.0¢$10.36 / 1,000	-	1,192 / 1,131	estimated
281	Mistral Medium 3.5Mistral	1.0¢$10.39 / 1,000	1426	40 / 1,377	estimated
282	GPT-5.1OpenAI	1.2¢$11.85 / 1,000	1456	45 / 1,179	estimated
283	GPT-6 Sol ProOpenAI	1.2¢$11.88 / 1,000	-	45 / 1,179	estimated
284	GPT-6 SolOpenAI	1.2¢$11.88 / 1,000	1459	45 / 1,179	estimated
285	Nova Premier 1.0Amazon	1.2¢$12.04 / 1,000	-	202 / 923	estimated
286	DeepSeek V4 Pro 0813DeepSeek	1.3¢$12.56 / 1,000	-	65 / 6,320	estimated
287	Claude Sonnet 5.5Anthropic	1.3¢$12.68 / 1,000	1475	61 / 1,256	measured
288	Claude Sonnet 5Anthropic	1.3¢$13.11 / 1,000	1461	61 / 1,299	estimated
289	R1 0528DeepSeek	1.4¢$13.62 / 1,000	1421	65 / 6,320	estimated
290	GPT-5.6 Terra ProOpenAI	1.4¢$14.24 / 1,000	-	45 / 1,179	estimated
291	GPT-5.6 TerraOpenAI	1.4¢$14.24 / 1,000	1466	45 / 1,179	estimated
292	Sonar ProPerplexity	1.5¢$14.55 / 1,000	-	205 / 929	estimated
293	GLM 5.3 PrimeZ.ai	1.6¢$15.82 / 1,000	-	48 / 1,782	estimated
294	R1DeepSeek	1.6¢$15.85 / 1,000	1398	65 / 6,320	estimated
295	Gemini 3.5 FlashGoogle	1.6¢$16.05 / 1,000	1478	35 / 1,777	estimated
296	Kimi K3Moonshot AI	1.6¢$16.32 / 1,000	1487	39 / 1,366	estimated
297	GPT-5.3-CodexOpenAI	1.7¢$16.58 / 1,000	-	45 / 1,179	estimated
298	GPT-5.2OpenAI	1.7¢$16.58 / 1,000	1437	45 / 1,179	estimated
299	GPT-5.4OpenAI	1.8¢$17.80 / 1,000	1475	45 / 1,179	estimated
300	Gemini 2.5 ProGoogle	1.8¢$17.81 / 1,000	1445	35 / 1,777	estimated
301	Gemini 2.5 Pro Preview 06-05Google	1.8¢$17.81 / 1,000	-	35 / 1,777	estimated
302	Gemini 4 ArgonGoogle	1.8¢$17.84 / 1,000	1524	35 / 1,777	estimated best value
303	Claude Sonnet 4.5Anthropic	1.9¢$19.02 / 1,000	1455	61 / 1,256	estimated
304	Qwen3.8 Max PrimeAlibaba Qwen	2.0¢$19.53 / 1,000	-	88 / 1,598	estimated
305	Claude Sonnet 4.6Anthropic	2.0¢$19.67 / 1,000	1472	61 / 1,299	estimated
306	GPT Chat LatestOpenAI	2.0¢$20.12 / 1,000	-	45 / 663	estimated
307	GPT-4 TurboOpenAI	2.0¢$20.34 / 1,000	1324	45 / 663	estimated
308	F Ember-1Fireworks	2.1¢$20.61 / 1,000	-	39 / 1,366	estimated
309	Gemini 3.1 Pro Preview Custom ToolsGoogle	2.1¢$21.39 / 1,000	-	35 / 1,777	estimated
310	Gemini 3.1 Pro PreviewGoogle	2.1¢$21.39 / 1,000	1487	35 / 1,777	measured
311	GPT-5.6 Sol ProOpenAI	2.4¢$23.76 / 1,000	-	45 / 1,179	estimated
312	GPT-5.6 SolOpenAI	2.4¢$23.76 / 1,000	1485	45 / 1,179	estimated
313	Claude Opus 5.5Anthropic	2.5¢$25.36 / 1,000	1508	61 / 1,256	estimated
314	Sonar Pro SearchPerplexity	2.7¢$26.76 / 1,000	-	35 / 1,777	estimated
315	Claude Opus 4.5Anthropic	3.2¢$31.70 / 1,000	1470	61 / 1,256	estimated
316	Claude Opus 5Anthropic	3.3¢$32.78 / 1,000	1490	61 / 1,299	estimated
317	Claude Opus 4.8Anthropic	3.3¢$32.78 / 1,000	1482	61 / 1,299	estimated
318	Claude Opus 4.7Anthropic	3.3¢$32.78 / 1,000	1501	61 / 1,299	estimated
319	Claude Opus 4.6Anthropic	3.3¢$32.78 / 1,000	1503	61 / 1,299	estimated
320	GPT-6 AstraOpenAI	3.4¢$33.60 / 1,000	1477	45 / 663	estimated
321	GPT-6 Astra ProOpenAI	3.4¢$33.60 / 1,000	-	45 / 663	estimated
322	GPT-5.5OpenAI	3.6¢$35.59 / 1,000	1481	45 / 1,179	estimated
323	Muse WonderMeta	3.6¢$35.68 / 1,000	1509	35 / 1,777	estimated
324	o1OpenAI	4.0¢$40.45 / 1,000	1402	45 / 663	estimated
325	GPT-4OpenAI	4.1¢$41.13 / 1,000	1288	45 / 663	estimated
326	S Fugu Ultra v2Sakana	5.3¢$53.48 / 1,000	-	35 / 1,777	estimated
327	S Fugu UltraSakana	5.3¢$53.48 / 1,000	-	35 / 1,777	estimated
328	o3 ProOpenAI	5.4¢$53.94 / 1,000	-	45 / 663	estimated
329	Claude Fable 5.1Anthropic	6.3¢$63.41 / 1,000	1502	61 / 1,256	estimated
330	Claude Fable 5Anthropic	6.3¢$63.41 / 1,000	1504	61 / 1,256	estimated
331	GPT-5 ProOpenAI	8.0¢$80.23 / 1,000	-	45 / 663	estimated
332	Claude Opus 4.1Anthropic	9.5¢$95.12 / 1,000	1448	61 / 1,256	estimated
333	GPT-5.2 ProOpenAI	11¢$112 / 1,000	-	45 / 663	estimated
334	GPT-5.5 ProOpenAI	12¢$121 / 1,000	-	45 / 663	estimated
335	GPT-5.4 ProOpenAI	12¢$121 / 1,000	-	45 / 663	estimated
336	o1-proOpenAI	40¢$405 / 1,000	-	45 / 663	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 answer one chatbot question with AI?

On Oct 18, 2026 it costs from 0.04¢ with GLM 5.3 Flash to 6.3¢ with Claude Fable 5.1 among popular models. The median of 336 models is 0.24¢ per task.

What is the cheapest AI to answer one chatbot question?

The cheapest model overall is Summarize at <0.01¢; the cheapest popular model is GLM 5.3 Flash at 0.04¢. The best value among popular models (cheap and highly rated) is Gemini 3.8 Flash at 0.68¢.

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 typical chatbot question answered in a few practical paragraphs. We send the same prompt (31 words of input) to every measured model through OpenRouter with default settings and record the input, output and reasoning tokens it uses.