Claude Sonnet 5
claude-sonnet-5
Anthropic · reasoning · api
Context
1M
Max output
128K
Input $/1M
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Output $/1M
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Modalities
text · image · document
Released
29 Jun 2026
AI summary
● machine-written
Claude Sonnet 5 with 1M context and 128K output tokens
Claude Sonnet 5 is a reasoning-capable model in Anthropic's Sonnet family, available via API with 1 million token context window and 128K token max output. It supports text, image, and document inputs. The model is generally available as of June 29, 2026.
What's new
- 1M token context window with 128K max output
- Supports text, image, and document modalities
- General availability status
- Reasoning-tier model classification
Best for
Multi-modal document analysis with long contextComplex reasoning tasks requiring large contextImage and text processingExtended reasoning over documents
Common questions about Claude Sonnet →
Source: https://docs.claude.com/en/docs/about-claude/models/overview