Opening
Hybrid reasoning model with fast, capable intelligence for real-time agents and high-volume work, featuring a 1M context window
Claude Sonnet1 / 7
- Words
- 1,188
- Reading time
- 5 min
- Last crawled
- 2026-09-26
- Cited by
- 2 of their pages
- Language
- EN
Announcements
NEW Claude Sonnet 5 Jun 30, 2026 Our most agentic Sonnet yet. It brings performance that recently required larger, more expensive models to coding, tool use, and everyday work, at Sonnet’s speed and price. Read more - Cl
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Availability and pricing
Anyone can chat with Claude using Sonnet 5 on Claude.ai, available on web, iOS, and Android. For developers interested in building agents, Sonnet 5 is available on the Claude Platform natively, and on Amazon Web Services
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Use cases
Sonnet 5 is a powerful, versatile model built for daily use, scaled production, and complex tasks across coding, agents, and professional workflows. API users have fine-grained control over the model’s thinking effort. P
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Benchmarks
Sonnet 5 delivers strong results across the benchmarks that matter most for real-world deployment, from reasoning and tool use to software coding, knowledge work, and more.
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Trust & Safety
We’ve conducted extensive testing and evaluation of Sonnet 5, working with external experts to ensure it meets our standards for safety, security, and reliability. The accompanying system card covers safety results in de
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Hear from our customers
Claude Sonnet 5 gives our agents a strong execution layer for multi-step software engineering work. It handles sustained coding, tool use, and debugging well across messy technical contexts, and has been especially usefu
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