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Claude Opus 4.8 vs Nano Banana 2 (Gemini 3.1 Flash Image Preview)

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude Opus 4.8 and Nano Banana 2 (Gemini 3.1 Flash Image Preview).

Anthropic

Claude Opus 4.8

Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...

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Google

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines...

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Technical Specifications

SpecificationClaude Opus 4.8Nano Banana 2 (Gemini 3.1 Flash Image Preview)
ProviderAnthropicGoogle
Context Window1,000,000 tokens131,072 tokens
Agent Suitability97/100N/A
Time to First Token (TTFT)520 msN/A
Deployment Modelmanaged apimanaged api
Production Stabilitybetastable
API AvailableYesYes
Released Date2026-05-272026-02-26

API Pricing Comparison

Input Price per Million Tokens

Claude Opus 4.8

$5.00

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

$0.50

Output Price per Million Tokens

Claude Opus 4.8

$25.00

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

$3.00

Want to test both models live?

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Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
9540.0%vsN/A
Claude Opus 4.8
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
HumanEvalPython coding & logic synthesis
9720.0%vsN/A
Claude Opus 4.8
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
MATHComplex mathematical problem solving
9410.0%vsN/A
Claude Opus 4.8
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
GPQAGraduate-level expert reasoning
8650.0%vsN/A
Claude Opus 4.8
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
HellaSwagCommonsense reasoning and inference
9920.0%vsN/A
Claude Opus 4.8
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
MT-BenchMulti-turn conversation flow quality
980.0%vsN/A
Claude Opus 4.8
Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Claude Opus 4.8 Quirks & Gotchas

  • ▸Best-in-class for autonomous code repair and multi-agent orchestration
  • ▸Preview model — API may introduce breaking changes without notice

Nano Banana 2 (Gemini 3.1 Flash Image Preview) Quirks & Gotchas

No developer gotchas reported.