Claude Haiku 4.5 vs GPT-5.4 Nano

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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GPT-5.4 Nano

OpenAI
$0.20 / $1.25
Input / Output · per 1M tokens
Compare different models
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Verdict: GPT-5.4 Nano is 4.3× cheaper than Claude Haiku 4.5 on a typical 3:1 input/output mix. GPT-5.4 Nano scores higher on the Artificial Analysis Intelligence Index (20.7 vs 16.9). GPT-5.4 Nano has the larger context window (400K vs 200K).
Claude Haiku 4.5GPT-5.4 Nano
Input price / 1M$1.00$0.20
Output price / 1M$5.00$1.25
Blended price (3:1)$2.00$0.46
Cached input / 1M$0.10$0.02
Context window200K400K
Max output64K128K
Intelligence index16.920.7
Coding index43.956.1
Providers
Best provider uptime (30m)
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2025-10-152026-03-17
Retirement

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FAQ

Which is cheaper, Claude Haiku 4.5 or GPT-5.4 Nano?

GPT-5.4 Nano is 4.3× cheaper than Claude Haiku 4.5 on a typical 3:1 input/output mix.

Claude Haiku 4.5 vs GPT-5.4 Nano: which has a bigger context window?

Claude Haiku 4.5: 200,000 tokens. GPT-5.4 Nano: 400,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Haiku 4.5 ≈ $4,500, GPT-5.4 Nano ≈ $1,025.

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