Claude Haiku 5.5 vs Claude Sonnet 5
Price, context window & benchmark comparison
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Verdict: Claude Haiku 5.5 is 20.0× cheaper than Claude Sonnet 5 on a typical 3:1 input/output mix.
| Claude Haiku 5.5 | Claude Sonnet 5 | |
|---|---|---|
| Input price / 1M | $0.10 | $2.00 |
| Output price / 1M | $0.50 | $10.00 |
| Blended price (3:1) | $0.20 | $4.00 |
| Cached input / 1M | $0.01 | $0.20 |
| Context window | 1M | 1M |
| Max output | 128K | 128K |
| Intelligence index | 36.5 | — |
| Coding index | — | 71.5 |
| Providers | 10 | 10 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-10-07 | 2026-06-30 |
| Retirement | — | — |
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FAQ
Which is cheaper, Claude Haiku 5.5 or Claude Sonnet 5?
Claude Haiku 5.5 is 20.0× cheaper than Claude Sonnet 5 on a typical 3:1 input/output mix.
Claude Haiku 5.5 vs Claude Sonnet 5: which has a bigger context window?
Claude Haiku 5.5: 1,000,000 tokens. Claude Sonnet 5: 1,000,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Claude Haiku 5.5 ≈ $450.00, Claude Sonnet 5 ≈ $9,000.
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