Claude Fable 5.5 (Leaked Checkpoint) vs Manus 2.0
A direct, empirical evaluation of Claude Fable 5.5 (Leaked Checkpoint) (Anthropic) against Manus 2.0 (Manus 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.
Manus 2.0
Developed by Manus AI · Multi-Agent Autonomous Orchestration Hierarchy parameters
End-to-end multi-tab browser automation (74.8% GAIA), complex financial web extraction, asynchronous multi-agent coordination, and isolated microVM workflows.
| Metric | Claude Fable 5.5 (Leaked Checkpoint) | Manus 2.0 |
|---|---|---|
| SWE-bench Verified | 84.2% | 74.8% |
| MMLU-Pro | 94.6% | 85.6% |
| MATH-500 | 98.4% | 89.4% |
| Context Window | 1,500,000 tokens | 500,000 tokens |
| Input Pricing (per 1M) | $3.50 | $3.50 |
| Output Pricing (per 1M) | $17.50 | $15.00 |