Anthropic Claude Sonnet Latest vs Claude Opus 4.6
Side-by-side API pricing and Artificial Analysis performance for Anthropic Claude Sonnet Latest (~anthropic) and Claude Opus 4.6 (Anthropic). Green cells mark the better value in each row.
Prices updated Jul 22, 2026, 1:37 AM UTC · refreshed hourly
| Anthropic Claude Sonnet Latest ~anthropic | Claude Opus 4.6 Anthropic | |
|---|---|---|
| Pricing | ||
| Input $/1M | $2.00 | $5.00 |
| Output $/1M | $10.00 | $25.00 |
| Blended $/1M (3:1) | $4.00 | $10.00 |
| RAG example (30K in / 2K out) | $0.08 | $0.2 |
| Quality & speed | ||
| Intelligence Index | — | 37.8 |
| Coding Index | — | — |
| Agentic Index | — | — |
| Output speed (tok/s) | — | 57 |
| Time to first token | — | 1.85s |
| Specs | ||
| Context window | 1M | 1M |
| Input modalities | text, image, file | text, image, file |
FAQ
Which is cheaper, Anthropic Claude Sonnet Latest or Claude Opus 4.6?
Anthropic Claude Sonnet Latest has the lower blended API price at $4.00 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), Anthropic Claude Sonnet Latest costs about $0.08 per request versus $0.2. Also compare context windows: Anthropic Claude Sonnet Latest offers 1M and Claude Opus 4.6 offers 1M.
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.