Claude Fable 5.2
Parameters
Undisclosed
Context Length
1M
Modality
Multimodal
Architecture
Undisclosed
License
Proprietary
Release Date
9 Nov 2026
Knowledge Cutoff
-
API Pricing (per 1M)
Input: $8.00 · Output: $40.00
Evaluation Benchmarks
Rank
#3
| Benchmark | Score | Rank |
|---|---|---|
Intelligence Index | max 0.65 high 0.62 medium 0.56 low 0.54 | 🥇 1 🥈 2 5 9 |
Rankings
Overall Rank
#3 🥉
Coding Rank
-
About Claude Fable 5.2
Claude Fable 5.2 is Anthropic's flagship frontier model built for highly demanding technical and reasoning tasks. It offers upgraded performance across coding, visual reasoning, and autonomous multi-step problem solving.
Technical Specifications
Architecture specifications are undisclosed for proprietary models.
About Claude Fable 5
Anthropic's Claude Fable 5 generation, released June 9, 2026, shares a unified frontier architecture with Mythos 5, incorporating advanced safety classifiers for cybersecurity, biology, and chemistry, with fallback routing to Claude Opus 4.8.