# Claude Opus 5: AI model fact sheet

- **Provider:** anthropic
- **Released:** 2026-07-24
- **Training cutoff:** May 2026
- **Context window:** 1,000,000 tokens
- **Max output:** 128,000 tokens
- **API pricing:** $5.00 / 1M input, $25.00 / 1M output
- **OpenRouter ID:** anthropic/claude-opus-5
- **Capabilities:** conversation, reasoning, code-generation, analysis, agentic-tool-use, tool-use

Claude Opus 5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis of charts and documents, complex office deliverables, and coordinating parallel subagents. It holds instruction following and tool use steady across extended tasks while staying effective at lower effort settings when latency and token efficiency matter.

## Benchmarks

| Benchmark | Score |
| --- | --- |
| Frontier-Bench v0.1 | 43.3% |
| ARC-AGI-3 | 30.2% |
| GDPval-AA v2 | 1861 Elo |
| DeepSWE v1.1 | 68.8% |

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/claude-opus-5