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Claude Sonnet 5 vs Gemma 3 12B

Side-by-side API pricing and Artificial Analysis performance for Claude Sonnet 5 (Anthropic) and Gemma 3 12B (Google). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 1:38 AM UTC · refreshed hourly

Claude Sonnet 5

Anthropic

Gemma 3 12B

Google

Pricing
Input $/1M$2.00$0.05
Output $/1M$10.00$0.15
Blended $/1M (3:1)$4.00$0.075
RAG example (30K in / 2K out)$0.08$0.0018
Quality & speed
Intelligence Index53.45.5
Coding Index71.55.8
Agentic Index46.70.3
Output speed (tok/s)880
Time to first token93.55s0s
Specs
Context window1M131K
Input modalitiestext, image, filetext, image

FAQ

Which is cheaper, Claude Sonnet 5 or Gemma 3 12B?

Gemma 3 12B has the lower blended API price at $0.075 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), Gemma 3 12B costs about $0.0018 per request versus $0.08. Also compare context windows: Claude Sonnet 5 offers 1M and Gemma 3 12B offers 131K.

Which scores higher on Artificial Analysis benchmarks?

Claude Sonnet 5 leads on the Artificial Analysis Intelligence Index (53.4 vs 5.5). Check coding and agentic indices on this page for workload-specific tradeoffs.