Anthropic · Model release
Claude Opus 5: where the new frontier tier earns its price
Claude Opus 5 targets complex agentic coding, long-horizon work, and enterprise deliverables with a million-token context.
What changed
- Anthropic positions Opus 5 as a major reasoning and long-horizon upgrade.
- Thinking is enabled by default and effort controls change how cost and latency behave.
- The model is available through the Anthropic API and cloud model catalogues.
Best fit
- Difficult debugging
- Long-context analysis
- Agentic engineering
What to be careful about
- Output pricing and long generations can dominate the bill.
- A frontier model is wasteful for routine extraction and simple classification.
Dataset snapshot: Claude Opus 5 is also represented in the checked comparison dataset. Prices and benchmark figures carry their own field dates.