Claude Sonnet 5.5
Updated
About Claude Sonnet 5.5
Claude Sonnet 5.5 is Anthropic's fast, cost-efficient AI model for coding and knowledge work.
Developers and solo builders use it for coding, bug fixes, documents, slides, and design work. It's built for people who need everyday AI assistance without high costs or slow processing.
- Runs 30% faster than Sonnet 5
- Up to 30% lower task costs than Sonnet 5
- Stronger coding and knowledge-work performance
- Works on code, bug fixes, documents, slides, and design
Good to know: Available on Claude Platform, Amazon Web Services, Google Cloud, and Microsoft Azure.
Key features
- Speed improvement: Runs over 30% faster than its predecessor for quicker task completion.
- Cost reduction: Lowers task costs by up to 30% for more affordable everyday use.
- Coding performance: Delivers stronger performance on coding and knowledge-work tasks compared to Sonnet 5.
At a glance
- Category: AI Coding
- Type: AI coding assistant
- Jobs: Build Sites & Apps
- Evidence: New launch on Product Hunt (1,000+ reviews)
- AIME Score: 91 of 100
- Launched: Sep 29, 2026 on Product Hunt · 100+ upvotes
- Website: anthropic.com
Alternatives to Claude Sonnet 5.5
- Visual Studio Code (AIME Score 86)
- Visual Studio (AIME Score 79)
- Cursor (AIME Score 72)
- Replit (AIME Score 70)
- Qodo (AIME Score 66)
- CodeRabbit (AIME Score 66)
More AI coding assistant tools
Sources: Found on Product Hunt (launched Sep 2026) · Details checked on the tool’s own website · Researched by AI Made Easy
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