Claude Opus 5.5 vs Mistral Large
Price, context window & benchmark comparison
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Compare different models
Verdict: Mistral Large is 2.7× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix. Claude Opus 5.5 has the larger context window (1M vs 128K).
| Claude Opus 5.5 | Mistral Large | |
|---|---|---|
| Input price / 1M | $4.00 | $2.00 |
| Output price / 1M | $20.00 | $6.00 |
| Blended price (3:1) | $8.00 | $3.00 |
| Cached input / 1M | $0.20 | $0.20 |
| Context window | 1M | 128K |
| Max output | 128K | 102K |
| Intelligence index | 57.6 | — |
| Coding index | — | — |
| Providers | 11 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | No |
| Reasoning | Yes | No |
| Tool calling | Yes | Yes |
| Released | 2026-09-22 | 2024-02-26 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, Claude Opus 5.5 or Mistral Large?
Mistral Large is 2.7× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix.
Claude Opus 5.5 vs Mistral Large: which has a bigger context window?
Claude Opus 5.5: 1,000,000 tokens. Mistral Large: 128,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Claude Opus 5.5 ≈ $18,000, Mistral Large ≈ $7,000.
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