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Claude Opus 4.6 vs GPT-4

Side-by-side API pricing and Artificial Analysis performance for Claude Opus 4.6 (Anthropic) and GPT-4 (OpenAI). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 1:41 AM UTC · refreshed hourly

Claude Opus 4.6

Anthropic

GPT-4

OpenAI

Pricing
Input $/1M$5.00$30.00
Output $/1M$25.00$60.00
Blended $/1M (3:1)$10.00$37.50
RAG example (30K in / 2K out)$0.2$1.02
Quality & speed
Intelligence Index37.87
Coding Index13.1
Agentic Index
Output speed (tok/s)5744
Time to first token1.85s1.15s
Specs
Context window1M8K
Input modalitiestext, image, filetext

FAQ

Which is cheaper, Claude Opus 4.6 or GPT-4?

Claude Opus 4.6 has the lower blended API price at $10.00 per 1M tokens (3:1 input:output mix), versus $37.50 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 Opus 4.6 costs about $0.2 per request versus $1.02. Also compare context windows: Claude Opus 4.6 offers 1M and GPT-4 offers 8K.

Which scores higher on Artificial Analysis benchmarks?

Claude Opus 4.6 leads on the Artificial Analysis Intelligence Index (37.8 vs 7). Check coding and agentic indices on this page for workload-specific tradeoffs.