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Claude Sonnet 5 vs GPT-4o-mini

Side-by-side API pricing and Artificial Analysis performance for Claude Sonnet 5 (Anthropic) and GPT-4o-mini (OpenAI). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 1:40 AM UTC · refreshed hourly

Claude Sonnet 5

Anthropic

GPT-4o-mini

OpenAI

Pricing
Input $/1M$2.00$0.15
Output $/1M$10.00$0.60
Blended $/1M (3:1)$4.00$0.262
RAG example (30K in / 2K out)$0.08$0.0057
Quality & speed
Intelligence Index53.46.9
Coding Index71.511.4
Agentic Index46.71
Output speed (tok/s)8888
Time to first token93.55s0.60s
Specs
Context window1M128K
Input modalitiestext, image, filetext, image, file

FAQ

Which is cheaper, Claude Sonnet 5 or GPT-4o-mini?

GPT-4o-mini has the lower blended API price at $0.262 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), GPT-4o-mini costs about $0.0057 per request versus $0.08. Also compare context windows: Claude Sonnet 5 offers 1M and GPT-4o-mini offers 128K.

Which scores higher on Artificial Analysis benchmarks?

Claude Sonnet 5 leads on the Artificial Analysis Intelligence Index (53.4 vs 6.9). Check coding and agentic indices on this page for workload-specific tradeoffs.