Claude Haiku 4.5 vs Claude Opus 5.5

Price, context window & benchmark comparison

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Claude Haiku 4.5

Anthropic
$1.00 / $5.00
Input / Output · per 1M tokens
VS
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Claude Opus 5.5

Anthropic
$4.00 / $20.00
Input / Output · per 1M tokens
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Verdict: Claude Haiku 4.5 is 4.0× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix. Claude Opus 5.5 scores higher on the Artificial Analysis Intelligence Index (57.6 vs 16.9). Claude Opus 5.5 has the larger context window (1M vs 200K).
Claude Haiku 4.5Claude Opus 5.5
Input price / 1M$1.00$4.00
Output price / 1M$5.00$20.00
Blended price (3:1)$2.00$8.00
Cached input / 1M$0.10$0.20
Context window200K1M
Max output64K128K
Intelligence index16.957.6
Coding index43.9
Providers11
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2025-10-152026-09-22
Retirement

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FAQ

Which is cheaper, Claude Haiku 4.5 or Claude Opus 5.5?

Claude Haiku 4.5 is 4.0× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix.

Claude Haiku 4.5 vs Claude Opus 5.5: which has a bigger context window?

Claude Haiku 4.5: 200,000 tokens. Claude Opus 5.5: 1,000,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Haiku 4.5 ≈ $4,500, Claude Opus 5.5 ≈ $18,000.

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