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Claude Opus 4.6 vs Grok Build 0.1

Side-by-side API pricing and Artificial Analysis performance for Claude Opus 4.6 (Anthropic) and Grok Build 0.1 (xAI). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 1:43 AM UTC · refreshed hourly

Claude Opus 4.6

Anthropic

Grok Build 0.1

xAI

Pricing
Input $/1M$5.00$1.00
Output $/1M$25.00$2.00
Blended $/1M (3:1)$10.00$1.25
RAG example (30K in / 2K out)$0.2$0.034
Quality & speed
Intelligence Index37.839.8
Coding Index51.5
Agentic Index28
Output speed (tok/s)57
Time to first token1.85s
Specs
Context window1M256K
Input modalitiestext, image, filetext, image, file

FAQ

Which is cheaper, Claude Opus 4.6 or Grok Build 0.1?

Grok Build 0.1 has the lower blended API price at $1.25 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), Grok Build 0.1 costs about $0.034 per request versus $0.2. Also compare context windows: Claude Opus 4.6 offers 1M and Grok Build 0.1 offers 256K.

Which scores higher on Artificial Analysis benchmarks?

Grok Build 0.1 leads on the Artificial Analysis Intelligence Index (39.8 vs 37.8). Check coding and agentic indices on this page for workload-specific tradeoffs.