Claude 4.0 Opus
Flagship Claude model for deep reasoning, coding, and long-horizon agents
Model facts
- Context window
- 2K tokens
- Maximum output
- 32K tokens
- Cheapest paid input
- not published per 1M tokens
- Cheapest paid output
- not published per 1M tokens
- Open weights
- no
- Providers
- 1
Capabilities and modalities
reasoning, tool calling, attachments, temperature control, text, image.
Observed price history
- 2026-08-24: not published input / not published output per 1M tokens
API providers
- Qiniu — model id claude-4.0-opus; not published input / not published output per 1M tokens; provider documentation