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. | 256k | 400k |
| These models have no shared benchmark scores. | ||
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. | — | 32% |
| Overview | ||
| Company | Mistral | OpenAI |
| Release date | Jan 13 2025 | Nov 13 2025 |
| Access | Closed | Closed |
| Model details | View model | View model |
Other comparisons
Codestral 25.01vsClaude Fable 5.2GPT-5.1-CodexvsClaude Fable 5.2Codestral 25.01vsGemini 4 CarbonGPT-5.1-CodexvsGemini 4 CarbonCodestral 25.01vsMuse EmberGPT-5.1-CodexvsMuse EmberCodestral 25.01vsGrok 4.7GPT-5.1-CodexvsGrok 4.7Codestral 25.01vsDeepSeek-V4.1-Flash-1017GPT-5.1-CodexvsDeepSeek-V4.1-Flash-1017Codestral 25.01vsKimi K3.1 ProGPT-5.1-CodexvsKimi K3.1 ProFrequently asked questions
Codestral 25.01 and GPT-5.1-Codex don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Codestral 25.01 shipped 304 days before GPT-5.1-Codex, so benchmark comparisons should account for the intervening progress.
Context windows are 256k (Codestral 25.01) vs 400k (GPT-5.1-Codex).
Direct benchmark comparisons are unavailable — Codestral 25.01 and GPT-5.1-Codex don't publish scores on any of the same benchmarks.