Claude Opus 4.8
Anthropic llmOpus upgrade focused on agentic reliability and honesty, adding a dynamic workflow feature that runs multiple subagents concurrently.
overall ⌄
78.4
3 of 93 ranked
price · $/M tokens
5 / 25
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 |
|---|---|---|
| GPQA | 93.6 | — |
| SWE-bench | 88.6 | — |
| SWE-bench Pro | 69.2 | — |
| HLE | 49.8 | — |
| BrowseComp | 84.3 | — |
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.
| Claude Opus 5 Anthropic | $0.0300 | overall 81.7 |
Lineage
No recorded lineage — root or standalone model.
Metadata
| org | Anthropic |
| released | 2026-05-28 |
| license | proprietary |