AI - Paski.devClaude Sonnet 5
Anthropic llmMost agentic Sonnet-tier model to date, positioned as a lower-cost option approaching Opus-class performance on many agentic tasks.
overall ⌄
73.0
8 of 93 ranked
price · $/M tokens
3 / 15
in / out, as of 2026-07-25
to run it yourself ⌄
API only
no weights to run
Benchmarks
What its maker published, and what anyone else measured. Every figure links the document it came from.
| benchmark | published | measured |
|---|---|---|
| SWE-bench | 85.2 thinking | — |
| SWE-bench Pro | 63.2 thinking | — |
| HLE | 43.2 auto | — |
| BrowseComp | 84.7 max | — |
Cheaper, and at least as good
On a 1,000-in, 1,000-out call these cost less and rank no lower — a hard comparison to argue with, and a narrow one. Value covers what it misses.
| GPT-5.2 OpenAI | $0.0158 | overall 73.7 |
Lineage
No recorded lineage — root or standalone model.
Metadata
| org | Anthropic |
| released | 2026-06-30 |
| license | proprietary |