AiCostCompare

Claude Opus 4.6 vs Sonar Pro Search

Side-by-side API pricing and Artificial Analysis performance for Claude Opus 4.6 (Anthropic) and Sonar Pro Search (Perplexity). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 1:33 AM UTC · refreshed hourly

Claude Opus 4.6

Anthropic

Sonar Pro Search

Perplexity

Pricing
Input $/1M$5.00$3.00
Output $/1M$25.00$15.00
Blended $/1M (3:1)$10.00$6.00
RAG example (30K in / 2K out)$0.2$0.12
Quality & speed
Intelligence Index37.8
Coding Index
Agentic Index
Output speed (tok/s)57
Time to first token1.85s
Specs
Context window1M200K
Input modalitiestext, image, filetext, image

FAQ

Which is cheaper, Claude Opus 4.6 or Sonar Pro Search?

Sonar Pro Search has the lower blended API price at $6.00 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), Sonar Pro Search costs about $0.12 per request versus $0.2. Also compare context windows: Claude Opus 4.6 offers 1M and Sonar Pro Search offers 200K.

Which scores higher on Artificial Analysis benchmarks?

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