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Claude Opus 5 vs Gemini 3.1 Flash Lite

Gemini 3.1 Flash Lite leads in 5 of 8 categories

Arena ELO

Gemini 3.1 Flash Lite

Cheaper

Gemini 3.1 Flash Lite

Faster

Gemini 3.1 Flash Lite

Detailed Comparison

CategoryClaude Opus 5Gemini 3.1 Flash Lite
ProviderAnthropic Google
Context Window200K 1M WIN
Input Price ($/1M)$15 $0.1 WIN
Output Price ($/1M)$75 $0.4 WIN
Arena ELON/A 1492 WIN
CodingN/A unknown
ReasoningN/A unknown
Speed (tokens/sec)N/A ~200 t/s WIN
Open SourceNo No

Frequently Asked Questions

Which is cheaper, Claude Opus 5 or Gemini 3.1 Flash Lite?

Gemini 3.1 Flash Lite is approximately 99% cheaper than Claude Opus 5 per million tokens.

Which is better for coding, Claude Opus 5 or Gemini 3.1 Flash Lite?

Claude Opus 5 scores N/A on coding benchmarks, while Gemini 3.1 Flash Lite scores unknown.

Which has a larger context window?

Claude Opus 5 supports 200K context, while Gemini 3.1 Flash Lite supports 1M.

Is Claude Opus 5 or Gemini 3.1 Flash Lite open source?

Claude Opus 5 is proprietary. Gemini 3.1 Flash Lite is proprietary.

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