Claude Sonnet 5.5 vs Devstral 2 2512
Price, context window & benchmark comparison
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Verdict: Devstral 2 2512 is 5.0× 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 | Devstral 2 2512 | |
|---|---|---|
| Input price / 1M | $2.00 | $0.40 |
| Output price / 1M | $10.00 | $2.00 |
| Blended price (3:1) | $4.00 | $0.80 |
| Cached input / 1M | $0.10 | $0.04 |
| Context window | 1M | 262K |
| Max output | 128K | 210K |
| Intelligence index | 54.2 | — |
| Coding index | — | 31.3 |
| Providers | 10 | 1 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | No |
| Reasoning | Yes | No |
| Tool calling | Yes | Yes |
| Released | 2026-09-28 | 2025-12-09 |
| Retirement | — | — |
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FAQ
Which is cheaper, Claude Sonnet 5.5 or Devstral 2 2512?
Devstral 2 2512 is 5.0× cheaper than Claude Sonnet 5.5 on a typical 3:1 input/output mix.
Claude Sonnet 5.5 vs Devstral 2 2512: which has a bigger context window?
Claude Sonnet 5.5: 1,000,000 tokens. Devstral 2 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, Devstral 2 2512 ≈ $1,800.
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