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. | 40k | 128k |
| Overview | ||
| Company | Mistral | OpenAI |
| Release date | Jun 10 2025 | Feb 12 2026 |
| Access | Closed | Closed |
| Model details | View model | View model |
Other comparisons
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Magistral Medium and GPT-5.3-Codex-Spark don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Magistral Medium shipped 247 days before GPT-5.3-Codex-Spark, so benchmark comparisons should account for the intervening progress.
Context windows are 40k (Magistral Medium) vs 128k (GPT-5.3-Codex-Spark).
Direct benchmark comparisons are unavailable — Magistral Medium and GPT-5.3-Codex-Spark don't publish scores on any of the same benchmarks.