Compare AI models
| 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. | $0.50 | — |
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. | $1.50 | — |
Cheapest inputLowest input rate across third-party providers, excluding the lab itself. The cheapest endpoint may run a quantised build or a shorter context — see "Available from" on the model page. | $0.50Mistral | — |
Cheapest outputLowest output rate across third-party providers, excluding the lab itself. May come from a different provider than the cheapest input. | $1.50Mistral | — |
| Benchmarks | ||
BullshitBench v2Nonsense detection — Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 2% | 39% |
| Overview | ||
| Company | Mistral | OpenAI |
| Release date | Dec 2 2025 | Sep 15 2025 |
| Access | Open Weight | Closed |
| Model details | View model | View model |
Other comparisons
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GPT-5-Codex leads Mistral Large 3 on 1 of the 1 benchmark they both report (BullshitBench v2). Only Mistral Large 3 has a verified first-party API price: $0.50 per million input tokens and $1.50 per million output tokens. No pay-as-you-go API rate is tracked for GPT-5-Codex. GPT-5-Codex shipped 78 days before Mistral Large 3, so benchmark comparisons should account for the intervening progress.
Mistral Large 3 is open weight, while GPT-5-Codex is closed.
On BullshitBench v2, GPT-5-Codex leads at 39% vs Mistral Large 3 at 2%.