Claude Fable 5
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Overview
First generally available Mythos-class model; first model in the Claude 5 family, a tier above Opus. Shares base model with Mythos 5...
Generates
Voice chatApp available
Details
- Vendor
- Anthropic
- Type
- Multimodal LLM
- Release year
- 2026
- Jurisdiction
- USA
- CEO
- Dario Amodei
- Key staffers
- Daniela Amodei (President), Tom Brown (Co-Founder)
- Deployment
- Cloud (claude.ai + API + consumption-based Enterprise)
- Open source
- No
- Free tier
- No
- Subscription
- API: $10/M input tokens (~2x Opus 4.8); included in Pro/Max/Team/seat-based Enterprise through June 22, 2026, then via usage credits
- Stock status
- Private ($380B valuation, Feb 2026; IPO expected)
- X
- @AnthropicAI
Known safety issues
Conservative dual-use safeguards: high-risk cybersecurity, biology, and chemistry queries fall back to Claude Opus 4.8. Classifiers trigger in <5% of sessions on average and can catch benign...
AIDb Rating
AIDb v2.0 (curated): Capability 10/10 · Currency 10/10 · Access 4/10 · Significance 9/10 → 8.95
Last verified 2026-08-09 · Primary source ↗
Cite this
“Claude Fable 5.” AIDb — The AI Database. Verified 2026-08-09. https://theaidatabase.com/m/anthropic-claude-fable-5.html
More from Anthropic
Claude 3.5 Haiku · Claude 3.7 Sonnet · Claude 3 Haiku · Claude 3 Opus · Claude 3 Sonnet · Claude Code · Claude Haiku 4.5 · Claude Mythos 5