OpenAIreasoningGPT-5.2-Codex pricing
$1.75 per 1M input tokens and $14.00 per 1M output tokens. In real work that is 0.94¢ per chat answer and 3.0¢ to summarize a 20-page PDF.
What GPT-5.2-Codex costs per task
Token counts estimated from a measured model of the same lab (GPT-6.1 Sol), rescaled by tokenizer. Reasoning tokens are billed as output.
| Task | Cost | Tokens used | Price rank | Basis |
|---|---|---|---|---|
| Answer a chat question | 0.94¢$9.36 / 1,000 | 45 in · 560 out · 103 reasoning | 266 of 336 | estimated |
| Reply to a customer email | 0.22¢$2.22 / 1,000 | 258 in · 126 out | 239 of 336 | estimated |
| Write a 1,500-word blog post | 3.2¢$32.14 / 1,000 | 59 in · 2,116 out · 172 reasoning | 275 of 336 | estimated |
| Write 10 product descriptions | 1.7¢$16.95 / 1,000 | 283 in · 1,103 out · 72 reasoning | 258 of 336 | estimated |
| Translate 1,000 words | 2.1¢$20.99 / 1,000 | 1,330 in · 1,289 out · 44 reasoning | 249 of 336 | estimated |
| Proofread one page (500 words) | 1.1¢$10.52 / 1,000 | 718 in · 662 out | 269 of 336 | estimated |
| Summarize a 20-page PDF | 3.0¢$29.84 / 1,000 | 12,987 in · 482 out · 26 reasoning | 255 of 336 | estimated |
| Extract data from an invoice | 0.70¢$6.95 / 1,000 | 373 in · 450 out | 260 of 336 | estimated |
| Analyze a 200-row spreadsheet | 11¢$113 / 1,000 | 4,779 in · 919 out · 6,553 reasoning | 288 of 336 | estimated |
| Answer from 5 retrieved documents (RAG) | 1.3¢$12.65 / 1,000 | 3,690 in · 442 out | 258 of 336 | estimated |
| Classify 100 support tickets | 0.95¢$9.47 / 1,000 | 1,261 in · 442 out · 77 reasoning | 202 of 336 | estimated |
| Review 500 lines of code | 6.4¢$63.67 / 1,000 | 4,557 in · 1,135 out · 2,843 reasoning | 265 of 336 | estimated |
| Write a SQL query | 0.66¢$6.65 / 1,000 | 126 in · 312 out · 147 reasoning | 249 of 336 | estimated |
| Run a 50-step coding agent | 73¢$730 / 1,000 | 2,237,500 in · 15,000 out | 207 of 336 | modeled |
Price at every provider
List prices per 1M tokens (input / output) at each host serving GPT-5.2-Codex through OpenRouter today. Hosts can differ in quantization, context and speed.
| Provider | Input / output | Cached input | Context | Uptime |
|---|---|---|---|---|
 Azureunknown | $1.75 / $14.00 | $0.17 | 400K | 100% |
Price history
First seen in our price history on Jan 23, 2026 at $1.75 input / $14.00 output. The list price has not changed since.
FAQ
How much does GPT-5.2-Codex cost?
GPT-5.2-Codex costs $1.75 per 1 million input tokens and $14.00 per 1 million output tokens, with cached input at $0.17 (list price on Oct 18, 2026). In practice one chat answer costs about 0.94¢ and summarizing a 20-page PDF about 3.0¢.
Where is GPT-5.2-Codex cheapest?
Among 1 providers we track, the lowest list price today is at Azure: $1.75 input and $14.00 output per 1M tokens.
Does GPT-5.2-Codex charge for reasoning tokens?
Yes. Reasoning (thinking) tokens are billed as output tokens. That is why the cost per task can be much higher than the visible answer suggests - our task costs include them.
Is the GPT-5.2-Codex cost per task measured or estimated?
Estimated: GPT-5.2-Codex was not run directly. Tokens come from GPT-6.1 Sol and are rescaled by the tokenizer of OpenAI. Real usage can differ.