Anthropic
Claude Opus 4 (20250514)
Flagship Claude model for deep reasoning, coding, and long-horizon agents
Model facts
- Context window
- 2K tokens
- Maximum output
- 32K tokens
- Cheapest paid input
- $13.5 per 1M tokens
- Cheapest paid output
- $67.5 per 1M tokens
- Open weights
- no
- Providers
- 4
Capabilities and modalities
reasoning, tool calling, structured output, attachments, temperature control, text, image, pdf.
Observed price history
- 2026-08-24: $13.5 input / $67.5 output per 1M tokens
API providers
- Jiekou.AI — model id claude-opus-4-20250514; $13.5 input / $67.5 output per 1M tokens; provider documentation
- 302.AI — model id claude-opus-4-20250514; $15 input / $75 output per 1M tokens; provider documentation
- Merge Gateway — model id anthropic/claude-opus-4-20250514; $15 input / $75 output per 1M tokens; provider documentation
- Arena — model id claude-opus-4-20250514; not published input / not published output per 1M tokens; provider documentation