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Anthropic: Claude Opus 4.6 (Fast) vs Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Head-to-head API cost, context, and performance comparison. Synced at 12:09:08 AM.

Executive Summary

When evaluating Anthropic: Claude Opus 4.6 (Fast) against Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview), the pricing structure is a key differentiator. Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) is approximately 98% more cost-effective per 1 million tokens overall.

However, when looking at raw reasoning capabilities, Anthropic: Claude Opus 4.6 (Fast) leads with a statistical ELO score of 1642. For tasks involving complex logic, coding, or instruction-following, developers might prefer Anthropic: Claude Opus 4.6 (Fast), provided their budget allows for the API burn rate.

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Raw Technical comparison

Metric
Anthropic: Claude Opus 4.6 (Fast)
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Performance (ELO)
1642
1493
Input Cost / 1M
$30.00
$0.50
Output Cost / 1M
$150.00
$3.00
Context Window
1,000,000 tokens
65,536 tokens

Verdict

If you are looking for pure performance and capability, Anthropic: Claude Opus 4.6 (Fast) is statistically superior. However, if API burn rate is the primary concern, Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) wins out aggressively in pricing.

People Also Ask

Is Anthropic: Claude Opus 4.6 (Fast) cheaper than Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)?

No. Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) is the more cost-effective model, operating at a lower price point per 1 million tokens.

Which model has the larger context window?

The Anthropic: Claude Opus 4.6 (Fast) model has the advantage in memory, offering a massive 1,000,000 token limit for document ingestion.

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