OpenAI › GPT-5.1 (2025-11-13) › Pricing
GPT-5.1 (2025-11-13) pricing
API list price by OpenAI · checked Oct 23, 2026
$1.25 / $10per 1M tokens in / out
Price sheetper 1M tokens
| Input | $1.25 | list |
| Output | $10 | |
| Context | 400K | tokens |
OpenAI native API; gpt-5.1-2025-11-13. Standard per-million token rates; separate modalities, tools and cached components may add charges. This is an OpenAI offer for the documented snapshot, not an Azure deployment price.
In OpenAI's line-upper 1M in / out
| o3 Mini High | $1.10 / $4.40 | −44% |
| o4 Mini High | $1.10 / $4.40 | −44% |
| GPT-3.5 Turbo 16k | $3 / $4 | −5% |
| GPT-5.1 (2025-11-13) | $1.25 / $10 | this model |
| o3 | $2 / $8 | +2% |
| GPT-6.1 Sol | $2 / $10 | +16% |
| GPT-4o | $2.50 / $10 | +27% |
Cheaper for the same workvs GPT-5.1 (2025-11-13) at medium
| Gemini 3.8 Flash unstated | -56% | score +55% | $0.75 / $3.75 |
| Gemini 3 Flash Preview high | -67% | score +39% | $0.50 / $3 |
| Gemini 3.6 Flash high | -56% | score +38% | $1.60 |
| Muse Spark 1.2 xhigh | -42% | score +26% | $0.97 |
| Grok 4.7 unstated | -13% | score +24% | $2 / $6 |
Pricing questions
How much does GPT-5.1 (2025-11-13) cost?›
$1.25 per 1M input tokens and $10 per 1M output tokens.
Is GPT-5.1 (2025-11-13) free to use?›
There is no free API tier.
What is a cheaper alternative to GPT-5.1 (2025-11-13)?›
Gemini 3.8 Flash at unstated effort costs -56% per task with a score +55% on SimpleQA Verified v1.