Claude Sonnet 4
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Overview
Professional-grade coding. Efficiency model in Claude 4 family.
Generates
Voice chatApp available
Details
- Vendor
- Anthropic
- Type
- LLM
- Release year
- 2025
- Jurisdiction
- USA
- CEO
- Dario Amodei
- Key staffers
- Daniela Amodei (President), Tom Brown (Co-Founder)
- Deployment
- Cloud (API + claude.ai)
- Open source
- No
- Free tier
- Yes
- Subscription
- Claude: Free / Pro $20/mo / Max 5x $100/mo / Max 20x $200/mo
- Stock status
- Private ($380B valuation, Feb 2026); confidentially filed for IPO Jun 1, 2026
- X
- @AnthropicAI
AIDb Rating
AIDb v2.0 (curated): Capability 6/10 · Currency 2/10 · Access 7/10 · Significance 6/10 → 5.35
Last verified 2026-08-09 · Primary source ↗
Cite this
“Claude Sonnet 4.” AIDb — The AI Database. Verified 2026-08-09. https://theaidatabase.com/m/anthropic-claude-sonnet-4.html
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