Claude Opus 5.5 vs GPT Audio Mini

Price, context window & benchmark comparison

A

Claude Opus 5.5

Anthropic
$4.00 / $20.00
Input / Output · per 1M tokens
VS
O

GPT Audio Mini

OpenAI
$0.60 / $2.40
Input / Output · per 1M tokens
Compare different models
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Verdict: GPT Audio Mini is 7.6× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix. Claude Opus 5.5 has the larger context window (1M vs 128K).
Claude Opus 5.5GPT Audio Mini
Input price / 1M$4.00$0.60
Output price / 1M$20.00$2.40
Blended price (3:1)$8.00$1.05
Cached input / 1M$0.20
Context window1M128K
Max output128K16K
Intelligence index57.6
Coding index
Providers11
Best provider uptime (30m)100.0%
Vision inputYesNo
ReasoningYesNo
Tool callingYesYes
Released2026-09-222026-01-19
Retirement

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FAQ

Which is cheaper, Claude Opus 5.5 or GPT Audio Mini?

GPT Audio Mini is 7.6× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix.

Claude Opus 5.5 vs GPT Audio Mini: which has a bigger context window?

Claude Opus 5.5: 1,000,000 tokens. GPT Audio Mini: 128,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Opus 5.5 ≈ $18,000, GPT Audio Mini ≈ $2,400.

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