Claude Sonnet Latest vs Claude Sonnet 5
Side-by-side API pricing and Artificial Analysis performance for Claude Sonnet Latest (~anthropic) and Claude Sonnet 5 (Anthropic). Green cells mark the better value in each row.
Prices updated Sep 17, 2026, 2:15 PM UTC · refreshed hourly
| Claude Sonnet Latest ~anthropic | Claude Sonnet 5 Anthropic | |
|---|---|---|
| Pricing | ||
| Input $/1M | $2.00 | $2.00 |
| Output $/1M | $10.00 | $10.00 |
| Blended $/1M (3:1) | $4.00 | $4.00 |
| RAG example (30K in / 2K out) | $0.08 | $0.08 |
| Quality & speed | ||
| Intelligence Index | — | 38.4 |
| Coding Index | — | 71.5 |
| Agentic Index | — | 44.3 |
| Output speed (tok/s) | — | 81 |
| Time to first token | — | 102.09s |
| Specs | ||
| Context window | 1M | 1M |
| Input modalities | text, image, file | text, image, file |
FAQ
Which is cheaper, Claude Sonnet Latest or Claude Sonnet 5?
Claude Sonnet Latest and Claude Sonnet 5 currently have the same blended API price of $4.00 per 1M tokens.
Which is better for RAG workloads?
Both models cost about $0.08 for a 30K/2K RAG request at current rates. Context windows are 1M (Claude Sonnet Latest) and 1M (Claude Sonnet 5).
Which scores higher on Artificial Analysis benchmarks?
Claude Sonnet 5 leads on the Artificial Analysis Intelligence Index (38.4 vs —). Check coding and agentic indices on this page for workload-specific tradeoffs.