Claude Haiku 5.5 vs Step 3.7 Flash
Price, context window & benchmark comparison
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Verdict: Claude Haiku 5.5 is 2.2× cheaper than Step 3.7 Flash on a typical 3:1 input/output mix. Claude Haiku 5.5 has the larger context window (1M vs 262K).
| Claude Haiku 5.5 | Step 3.7 Flash | |
|---|---|---|
| Input price / 1M | $0.10 | $0.20 |
| Output price / 1M | $0.50 | $1.15 |
| Blended price (3:1) | $0.20 | $0.44 |
| Cached input / 1M | $0.01 | $0.04 |
| Context window | 1M | 262K |
| Max output | 128K | 230K |
| Intelligence index | 36.5 | — |
| Coding index | — | 39.6 |
| Providers | 10 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-10-07 | 2026-05-28 |
| Retirement | — | — |
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FAQ
Which is cheaper, Claude Haiku 5.5 or Step 3.7 Flash?
Claude Haiku 5.5 is 2.2× cheaper than Step 3.7 Flash on a typical 3:1 input/output mix.
Claude Haiku 5.5 vs Step 3.7 Flash: which has a bigger context window?
Claude Haiku 5.5: 1,000,000 tokens. Step 3.7 Flash: 262,144 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Claude Haiku 5.5 ≈ $450.00, Step 3.7 Flash ≈ $975.00.
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