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Claude Haiku 4.5 vs o3 Mini

Side-by-side API pricing and Artificial Analysis performance for Claude Haiku 4.5 (Anthropic) and o3 Mini (OpenAI). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 3:52 AM UTC · refreshed hourly

Claude Haiku 4.5

Anthropic

o3 Mini

OpenAI

Pricing
Input $/1M$1.00$1.10
Output $/1M$5.00$4.40
Blended $/1M (3:1)$2.00$1.93
RAG example (30K in / 2K out)$0.04$0.0418
Quality & speed
Intelligence Index29.619
Coding Index43.9
Agentic Index16.4
Output speed (tok/s)228
Time to first token5.94s
Specs
Context window200K200K
Input modalitiestext, image, filetext, file

FAQ

Which is cheaper, Claude Haiku 4.5 or o3 Mini?

o3 Mini has the lower blended API price at $1.93 per 1M tokens (3:1 input:output mix), versus $2.00 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), Claude Haiku 4.5 costs about $0.04 per request versus $0.0418. Also compare context windows: Claude Haiku 4.5 offers 200K and o3 Mini offers 200K.

Which scores higher on Artificial Analysis benchmarks?

Claude Haiku 4.5 leads on the Artificial Analysis Intelligence Index (29.6 vs 19). Check coding and agentic indices on this page for workload-specific tradeoffs.