Anthropic
Claude Opus 4
Flagship Claude model for deep reasoning, coding, and long-horizon agents
Model facts
- Context window
- 2K tokens
- Maximum output
- 32K tokens
- Cheapest paid input
- $13 per 1M tokens
- Cheapest paid output
- $64 per 1M tokens
- Open weights
- no
- Providers
- 11
Capabilities and modalities
reasoning, tool calling, structured output, attachments, temperature control, text, image, pdf.
Artificial Analysis benchmarks
Compare this model on the full LLM benchmark leaderboard.
| Configuration | AAI | Coding | Math | Output tokens/s |
|---|---|---|---|---|
| Reasoning | 31.7 | not measured | 73.3 | not measured |
| Non-reasoning | 26.0 | not measured | 36.3 | not measured |
Observed price history
- 2026-08-24: $13 input / $64 output per 1M tokens
API providers
- Poe — model id anthropic/claude-opus-4; $13 input / $64 output per 1M tokens; provider documentation
- Abacus — model id claude-opus-4-20250514; $15 input / $75 output per 1M tokens; provider documentation
- DigitalOcean — model id anthropic-claude-opus-4; $15 input / $75 output per 1M tokens; provider documentation
- Helicone (Anthropic) — model id claude-opus-4; $15 input / $75 output per 1M tokens; provider documentation
- NanoGPT — model id claude-opus-4-20250514; $15 input / $75 output per 1M tokens; provider documentation
- OpenRouter — model id anthropic/claude-opus-4; $15 input / $75 output per 1M tokens; provider documentation
- SAP AI Core — model id anthropic--claude-4-opus; $15 input / $75 output per 1M tokens; provider documentation
- Vercel AI Gateway — model id anthropic/claude-opus-4; $15 input / $75 output per 1M tokens; provider documentation
- Vertex — model id claude-opus-4@20250514; $15 input / $75 output per 1M tokens; provider documentation
- Vertex (Anthropic) — model id claude-opus-4@20250514; $15 input / $75 output per 1M tokens; provider documentation
- ZenMux — model id anthropic/claude-opus-4; $15 input / $75 output per 1M tokens; provider documentation