Compare / Claude Fable 5.1 vs Inkling
Claude Fable 5.1 vs Inkling
13 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Claude Fable 5.1 | Inkling |
|---|---|---|---|
| APEX-Agentsreported | Tasks passed% of tasks | 68.6% | 33.8% |
| Arena (formerly LMArena)reported | Confirmed task successIPS effect estimate | 0.17 | -0.22 |
| Arena (formerly LMArena)reported | Praise over complaintIPS effect estimate | 0.32 | -0.22 |
| Arena (formerly LMArena)reported | SteerabilityIPS effect estimate | 0.08 | -0.12 |
| Arena (formerly LMArena)reported | Tool groundingIPS effect estimate | 0.00 | -0.00 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,501 | 1,452 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,485 | 1,444 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,484 | 1,384 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,516 | 1,474 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,497 | 1,427 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,501 | 1,442 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,496 | 1,403 |
| SimpleQA Verified (Epoch AI)reported | Correct answers% of questions | 70.8% | 40.3% |
Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.