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Claude Opus 4.6 vs GPT-5.4

Side-by-side API pricing and Artificial Analysis performance for Claude Opus 4.6 (Anthropic) and GPT-5.4 (OpenAI). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 1:42 AM UTC · refreshed hourly

Claude Opus 4.6

Anthropic

GPT-5.4

OpenAI

Pricing
Input $/1M$5.00$2.50
Output $/1M$25.00$15.00
Blended $/1M (3:1)$10.00$5.63
RAG example (30K in / 2K out)$0.2$0.105
Quality & speed
Intelligence Index37.851.4
Coding Index71.1
Agentic Index41.1
Output speed (tok/s)57152
Time to first token1.85s129.43s
Specs
Context window1M1.05M
Input modalitiestext, image, filetext, image, file

FAQ

Which is cheaper, Claude Opus 4.6 or GPT-5.4?

GPT-5.4 has the lower blended API price at $5.63 per 1M tokens (3:1 input:output mix), versus $10.00 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-5.4 costs about $0.105 per request versus $0.2. Also compare context windows: Claude Opus 4.6 offers 1M and GPT-5.4 offers 1.05M.

Which scores higher on Artificial Analysis benchmarks?

GPT-5.4 leads on the Artificial Analysis Intelligence Index (51.4 vs 37.8). Check coding and agentic indices on this page for workload-specific tradeoffs.