Claude Fable 5.5 (Leaked Checkpoint) vs Llama 3.3 70B
A direct, empirical evaluation of Claude Fable 5.5 (Leaked Checkpoint) (Anthropic) against Llama 3.3 70B (Meta AI).
Claude Fable 5.5 (Leaked Checkpoint)
Developed by Anthropic · Proprietary Frontier Dynamic Reasoner parameters
Terminal-Bench 4.0 autonomous shell execution (78.5% target), recursive self-critique, and 1.5M-token repository refactoring.
Llama 3.3 70B
Developed by Meta AI · 70.6B parameters
Self-hosted on-premise deployments and edge dense inference.
| Metric | Claude Fable 5.5 (Leaked Checkpoint) | Llama 3.3 70B |
|---|---|---|
| SWE-bench Verified | 84.2% | 38.8% |
| MMLU-Pro | 94.6% | 68.3% |
| MATH-500 | 98.4% | 75.8% |
| Context Window | 1,500,000 tokens | 128,000 tokens |
| Input Pricing (per 1M) | $3.50 | $0.15 |
| Output Pricing (per 1M) | $17.50 | $0.60 |