Claude Sonnet 4.5
Claude Sonnet 4.5 is Anthropic’s balanced, production-ready model—faster than Opus while delivering strong reasoning, coding, and multimodal (text + image) skills. It supports long context, tool/function calling, and schema-true JSON, making it a dependable default for RAG copilots and agents.
- Type
- Text
- Weights
- Closed
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About Anthropic
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Anthropic develops reliable and interpretable artificial intelligence systems, including the Claude family of AI assistants.
Benchmark scores
10
How Claude Sonnet 4.5 ranks on tracked AI benchmarks. Click any benchmark to see its full leaderboard.
Tools using Claude Sonnet 4.5
40
- Claude 5
- Large language models
- www.anthropic.com
- Bibash Katel 🙏 72 karma
- Jul 16, 2024
- @Claude
- messages
- 🇺🇸 United States
- Free + from $20/mo
- 254,530 706 4.0
- Perplexity v2.2
- Search
- www.perplexity.ai
- Amr عمرو Amin امين 🙏 155 karma
- Jan 23, 2025
- @Perplexity
- ideas
- 🇺🇸 United States
- Free + from $20/mo
- 97,345 717 4.2