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Claude Sonnet 5 vs Gemini 2.5 Pro (batch)

Side-by-side API pricing and Artificial Analysis performance for Claude Sonnet 5 (Anthropic) and Gemini 2.5 Pro (batch) (Google). Green cells mark the better value in each row.

Prices updated Sep 15, 2026, 5:32 PM UTC · refreshed hourly

Claude Sonnet 5

Anthropic

Gemini 2.5 Pro (batch)

Google

Pricing
Input $/1M$2.00$0.625
Output $/1M$10.00$5.00
Blended $/1M (3:1)$4.00$1.72
RAG example (30K in / 2K out)$0.08$0.0287
Quality & speed
Intelligence Index38.416.7
Coding Index71.533.3
Agentic Index44.33.5
Output speed (tok/s)840
Time to first token125.08s0s
Specs
Context window1M1.05M
Input modalitiestext, image, filetext, image, file, audio, video

FAQ

Which is cheaper, Claude Sonnet 5 or Gemini 2.5 Pro (batch)?

Gemini 2.5 Pro (batch) has the lower blended API price at $1.72 per 1M tokens (3:1 input:output mix), versus $4.00 for the other model. Prices are live from OpenRouter and refresh about hourly.

Which is better for RAG workloads?

For a typical RAG request (30K input / 2K output tokens), Gemini 2.5 Pro (batch) costs about $0.0287 per request versus $0.08. Also compare context windows: Claude Sonnet 5 offers 1M and Gemini 2.5 Pro (batch) offers 1.05M.

Which scores higher on Artificial Analysis benchmarks?

Claude Sonnet 5 leads on the Artificial Analysis Intelligence Index (38.4 vs 16.7). Check coding and agentic indices on this page for workload-specific tradeoffs.