Compare AI models
| Specifications | ||
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider. | 32k | 400k |
| API pricingUSD per 1M tokens · lower wins | ||
Input priceWhat you pay for everything you send the model — your question, plus any documents or earlier conversation you include with it. | — | $15.00 |
Output priceWhat you pay for the text the model writes back. It is normally the dearer half: producing an answer costs more than reading one. | — | $120.00 |
Cheapest inputLowest input rate across every provider on OpenRouter, the lab included. The cheapest endpoint may run a quantised build or a shorter context — see "Available from" on the model page. | — | $15.00OpenAI |
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input. | — | $120.00OpenAI |
| — | $9,000OpenAI list price | |
| Overview | ||
| Company | Mistral | OpenAI |
| Release date | Dec 11 2023 | Aug 7 2025 |
| Access | Closed | Closed |
| Model details | View model | View model |
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Mistral Medium and GPT-5 Pro don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Only GPT-5 Pro has a verified first-party API price: $15.00 per million input tokens and $120.00 per million output tokens. No pay-as-you-go API rate is tracked for Mistral Medium. Mistral Medium shipped 605 days before GPT-5 Pro, so benchmark comparisons should account for the intervening progress.
Context windows are 32k (Mistral Medium) vs 400k (GPT-5 Pro).
Direct benchmark comparisons are unavailable — Mistral Medium and GPT-5 Pro don't publish scores on any of the same benchmarks.