Claude Opus 5.5 vs Nova Pro 1.0

Price, context window & benchmark comparison

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Claude Opus 5.5

Anthropic
$4.00 / $20.00
Input / Output · per 1M tokens
VS
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Nova Pro 1.0

Amazon
$0.80 / $3.20
Input / Output · per 1M tokens
Compare different models
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Verdict: Nova Pro 1.0 is 5.7× 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 300K).
Claude Opus 5.5Nova Pro 1.0
Input price / 1M$4.00$0.80
Output price / 1M$20.00$3.20
Blended price (3:1)$8.00$1.40
Cached input / 1M$0.20
Context window1M300K
Max output128K5K
Intelligence index57.6
Coding index
Providers11
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesNo
Tool callingYesYes
Released2026-09-222024-12-05
Retirement

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FAQ

Which is cheaper, Claude Opus 5.5 or Nova Pro 1.0?

Nova Pro 1.0 is 5.7× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix.

Claude Opus 5.5 vs Nova Pro 1.0: which has a bigger context window?

Claude Opus 5.5: 1,000,000 tokens. Nova Pro 1.0: 300,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Opus 5.5 ≈ $18,000, Nova Pro 1.0 ≈ $3,200.

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