Claude Opus 5.5 vs Nano Banana 2.1

Price, context window & benchmark comparison

Anthropic

Claude Opus 5.5

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

Nano Banana 2.1

Google
$1.50 / $7.50
Input / Output · per 1M tokens
Compare different models
Anthropic
Google
Verdict: Nano Banana 2.1 is 2.7× 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 66K).
Claude Opus 5.5Nano Banana 2.1
Input price / 1M$4.00$1.50
Output price / 1M$20.00$7.50
Blended price (3:1)$8.00$3.00
Cached input / 1M$0.20—
Context window1M66K
Max output128K59K
Intelligence index58.4—
Coding index——
Providers111
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-222026-10-06
Retirement——

Cost calculator

FAQ

Which is cheaper, Claude Opus 5.5 or Nano Banana 2.1?

Nano Banana 2.1 is 2.7× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix.

Claude Opus 5.5 vs Nano Banana 2.1: which has a bigger context window?

Claude Opus 5.5: 1,000,000 tokens. Nano Banana 2.1: 65,536 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Opus 5.5 ≈ $18,000, Nano Banana 2.1 ≈ $6,750.

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