Claude Sonnet 5.5 vs Mistral Large 3 2512
Price, context window & benchmark comparison
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Verdict: Mistral Large 3 2512 is 5.3× cheaper than Claude Sonnet 5.5 on a typical 3:1 input/output mix. Claude Sonnet 5.5 has the larger context window (1M vs 262K).
| Claude Sonnet 5.5 | Mistral Large 3 2512 | |
|---|---|---|
| Input price / 1M | $2.00 | $0.50 |
| Output price / 1M | $10.00 | $1.50 |
| Blended price (3:1) | $4.00 | $0.75 |
| Cached input / 1M | $0.10 | $0.05 |
| Context window | 1M | 262K |
| Max output | 128K | 210K |
| Intelligence index | 54.2 | — |
| Coding index | — | 20.1 |
| Providers | 10 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | No |
| Tool calling | Yes | Yes |
| Released | 2026-09-28 | 2025-12-01 |
| Retirement | — | — |
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FAQ
Which is cheaper, Claude Sonnet 5.5 or Mistral Large 3 2512?
Mistral Large 3 2512 is 5.3× cheaper than Claude Sonnet 5.5 on a typical 3:1 input/output mix.
Claude Sonnet 5.5 vs Mistral Large 3 2512: which has a bigger context window?
Claude Sonnet 5.5: 1,000,000 tokens. Mistral Large 3 2512: 262,144 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Claude Sonnet 5.5 ≈ $9,000, Mistral Large 3 2512 ≈ $1,750.
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