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Kimi K3 vs Magistral Medium 1.2
Kimi K3 (Moonshot) and Magistral Medium 1.2 (Mistral AI) compared on benchmarks, pricing, context window, and use-case rankings.
- Kimi K3 ranks higher for coding (97th vs 30th percentile).
| Attribute | Kimi K3 | Magistral Medium 1.2 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 158 | — |
| Coding | 97 | 30 |
| Math | 81 | 22 |
| Reasoning & Knowledge | 73 | 14 |
| Agentic & Tools | 80 | 18 |
| Specifications | ||
| Developer | Moonshot | Mistral AI |
| Family | Kimi | — |
| Released | Jul 16, 2026 | Sep 18, 2025 |
| Parameters | 2.8T | — |
| Availability | Open weights (non-commercial) | API access |
| Context window | 1M | — |
| Price — $/M input | $2.55 | — |
| Price — $/M output | $12.75 | — |
| Inputs | text, image, video | — |
| Outputs | text | — |
| Benchmarks | ||
| AIME 2024/2025 | 97% | 82% |
| APEX | 39% | — |
| ARC-AGI | 95% | — |
| ARC-AGI-2 | 60% | — |
| GPQA Diamond | 93% | 74% |
| Humanity's Last Exam | 47% | 10% |
| SciCode | 60% | 39% |
| SimpleBench | 61% | — |
| SimpleQA Verified | 51% | — |
| WebDev Arena | 1674 | — |
| WeirdML | 83% | — |
| LiveCodeBench | — | 75% |
| MMLU-Pro | — | 82% |
| τ²-bench | — | 52% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Which is better for coding, Kimi K3 or Magistral Medium 1.2?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Kimi K3 ranks higher — 97th vs 30th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.