Compare AI models
| Specifications | ||
ParametersThe learned values that shape how a model responds. B means billion and T means trillion. For mixture-of-experts models, the total count is larger than the number active for each token. Parameter count alone does not measure quality. | — | 72B |
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 |
| These models have no shared benchmark scores. | ||
SWE-Bench VerifiedCoding — Real coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | — | 60.4% |
| Overview | ||
| Company | Mistral | Moonshot AI |
| Release date | Jun 10 2025 | Jun 17 2025 |
| Access | Closed | Open Weight |
| Model details | View model | View model |
Other comparisons
Magistral MediumvsClaude Haiku 5.5Kimi-DevvsClaude Haiku 5.5Magistral MediumvsGPT-6.1 SolKimi-DevvsGPT-6.1 SolMagistral MediumvsGemini 4 ArgonKimi-DevvsGemini 4 ArgonMagistral MediumvsMuse Spark OpenKimi-DevvsMuse Spark OpenMagistral MediumvsGrok 4.7Kimi-DevvsGrok 4.7Magistral MediumvsDeepSeek-V4.1-Flash-1017Kimi-DevvsDeepSeek-V4.1-Flash-1017Frequently asked questions
Magistral Medium and Kimi-Dev don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Magistral Medium shipped 7 days before Kimi-Dev, so benchmark comparisons should account for the intervening progress.
Context windows are 40k (Magistral Medium) vs 128k (Kimi-Dev). Magistral Medium is closed, while Kimi-Dev is open weight.
Direct benchmark comparisons are unavailable — Magistral Medium and Kimi-Dev don't publish scores on any of the same benchmarks.