Claude Haiku 5.5 vs o1-pro

Price, context window & benchmark comparison

Anthropic

Claude Haiku 5.5

Anthropic
$0.10 / $0.50
Input / Output · per 1M tokens
VS
OpenAI

o1-pro

OpenAI
$150.00 / $600.00
Input / Output · per 1M tokens
Compare different models
Anthropic
OpenAI
Verdict: Claude Haiku 5.5 is 1312.5× cheaper than o1-pro on a typical 3:1 input/output mix. Claude Haiku 5.5 has the larger context window (1M vs 200K).
Claude Haiku 5.5o1-pro
Input price / 1M$0.10$150.00
Output price / 1M$0.50$600.00
Blended price (3:1)$0.20$262.50
Cached input / 1M$0.01—
Context window1M200K
Max output128K100K
Intelligence index36.5—
Coding index——
Providers10—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesNo
Released2026-10-072025-03-19
Retirement——

Cost calculator

FAQ

Which is cheaper, Claude Haiku 5.5 or o1-pro?

Claude Haiku 5.5 is 1312.5× cheaper than o1-pro on a typical 3:1 input/output mix.

Claude Haiku 5.5 vs o1-pro: which has a bigger context window?

Claude Haiku 5.5: 1,000,000 tokens. o1-pro: 200,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Haiku 5.5 ≈ $450.00, o1-pro ≈ $600,000.

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