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Claude Haiku 4.5 vs GPT-5.6 Sol

Side-by-side API pricing and Artificial Analysis performance for Claude Haiku 4.5 (Anthropic) and GPT-5.6 Sol (OpenAI). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 1:31 AM UTC · refreshed hourly

Claude Haiku 4.5

Anthropic

GPT-5.6 Sol

OpenAI

Pricing
Input $/1M$1.00$5.00
Output $/1M$5.00$30.00
Blended $/1M (3:1)$2.00$11.25
RAG example (30K in / 2K out)$0.04$0.21
Quality & speed
Intelligence Index29.658.9
Coding Index43.977.4
Agentic Index16.454
Output speed (tok/s)70
Time to first token112.90s
Specs
Context window200K1.05M
Input modalitiestext, image, filefile, image, text

FAQ

Which is cheaper, Claude Haiku 4.5 or GPT-5.6 Sol?

Claude Haiku 4.5 has the lower blended API price at $2.00 per 1M tokens (3:1 input:output mix), versus $11.25 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 $0.21. Also compare context windows: Claude Haiku 4.5 offers 200K and GPT-5.6 Sol offers 1.05M.

Which scores higher on Artificial Analysis benchmarks?

GPT-5.6 Sol leads on the Artificial Analysis Intelligence Index (58.9 vs 29.6). Check coding and agentic indices on this page for workload-specific tradeoffs.