Anthropic
Claude Opus 5 (Fast)
Fast-mode variant of [Opus 5](/anthropic/claude-opus-5) - identical capabilities with higher output speed at 2x pricing relative to regular Opus 5. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode
| Specifications | |
|---|---|
| Provider | Anthropic |
| Input pricing | $10.00/M tokens |
| Output pricing | $50.00/M tokens |
| Context length | 1.0M tokens |
| Max output | 128K tokens |
| Input modalities | textimagefile |
| Output modalities | text |
| Tokenizer | Claude |
| Content moderated | Yes |
Supported Parameters
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstool_choicetoolsverbosity