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Claude Opus 4.8 vs Gemini 2.5 Pro

Gemini 2.5 Pro leads in 5 of 8 categories

Arena ELO

Gemini 2.5 Pro

Cheaper

Gemini 2.5 Pro

Faster

Gemini 2.5 Pro

Detailed Comparison

CategoryClaude Opus 4.8Gemini 2.5 Pro
ProviderAnthropic Google
Context Window200K 1M WIN
Input Price ($/1M)$5 $1.25 WIN
Output Price ($/1M)$25 $10 WIN
Arena ELON/A 1360 WIN
CodingN/A 75.6% LiveCodeBench
ReasoningN/A 84.6% GPQA Diamond
Speed (tokens/sec)N/A ~60 t/s WIN
Open SourceNo No

Frequently Asked Questions

Which is cheaper, Claude Opus 4.8 or Gemini 2.5 Pro?

Gemini 2.5 Pro is approximately 63% cheaper than Claude Opus 4.8 per million tokens.

Which is better for coding, Claude Opus 4.8 or Gemini 2.5 Pro?

Claude Opus 4.8 scores N/A on coding benchmarks, while Gemini 2.5 Pro scores 75.6% LiveCodeBench.

Which has a larger context window?

Claude Opus 4.8 supports 200K context, while Gemini 2.5 Pro supports 1M.

Is Claude Opus 4.8 or Gemini 2.5 Pro open source?

Claude Opus 4.8 is proprietary. Gemini 2.5 Pro is proprietary.