API base
https://api.anthropic.com/v1Env key
ANTHROPIC_API_KEYClaude Opus 4
claude-opus-4-20250514Context
200K
Max output
32K
Most capable Claude model for complex reasoning and agentic coding.
in: textin: imageout: texttoolsvisionreasoningstreamingprompt_caching
Claude Sonnet 4
claude-sonnet-4-20250514Context
200K
Max output
64K
Balanced model with strong coding and reasoning at lower cost.
in: textin: imageout: texttoolsvisionreasoningstreamingprompt_caching
Claude 3.7 Sonnet
claude-3-7-sonnet-20250219Context
200K
Max output
64K
Hybrid model with optional extended thinking.
in: textin: imageout: texttoolsvisionreasoningstreamingprompt_caching
Claude 3.5 Sonnet
claude-3-5-sonnet-20241022Context
200K
Max output
8K
in: textin: imageout: texttoolsvisionstreamingprompt_caching
Claude 3.5 Haiku
claude-3-5-haiku-20241022Context
200K
Max output
8K
Fastest, most cost-effective Claude model.
in: textout: texttoolsstreamingprompt_caching
Claude 3 Opus
claude-3-opus-20240229Context
200K
Max output
4K
in: textin: imageout: texttoolsvisionstreaming