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Claude Sonnet 5 vs o4 Mini (batch)

Side-by-side API pricing and Artificial Analysis performance for Claude Sonnet 5 (Anthropic) and o4 Mini (batch) (OpenAI). Green cells mark the better value in each row.

Prices updated Sep 4, 2026, 3:16 PM UTC · refreshed hourly

Claude Sonnet 5

Anthropic

o4 Mini (batch)

OpenAI

Pricing
Input $/1M$2.00$0.55
Output $/1M$10.00$2.20
Blended $/1M (3:1)$4.00$0.963
RAG example (30K in / 2K out)$0.08$0.0209
Quality & speed
Intelligence Index55.326.1
Coding Index71.5
Agentic Index49.7
Output speed (tok/s)810
Time to first token106.67s0s
Specs
Context window1M200K
Input modalitiestext, image, fileimage, text, file

FAQ

Which is cheaper, Claude Sonnet 5 or o4 Mini (batch)?

o4 Mini (batch) has the lower blended API price at $0.963 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), o4 Mini (batch) costs about $0.0209 per request versus $0.08. Also compare context windows: Claude Sonnet 5 offers 1M and o4 Mini (batch) offers 200K.

Which scores higher on Artificial Analysis benchmarks?

Claude Sonnet 5 leads on the Artificial Analysis Intelligence Index (55.3 vs 26.1). Check coding and agentic indices on this page for workload-specific tradeoffs.