Compare / Claude Fable 5.1 vs Claude Sonnet 5.5
Claude Fable 5.1 vs Claude Sonnet 5.5
42 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 | Claude Sonnet 5.5 |
|---|---|---|---|
| BulletBenchmeasured by us | Cost per gameUS dollars | $0.38 | $0.12 |
| BulletBenchmeasured by us | Games lost on time% of games | 37.5% | 37.5% |
| BulletBenchmeasured by us | Invalid moves% of moves | 0.0% | 0.0% |
| BulletBenchmeasured by us | Ladder Eloladder Elo | 358 | 557 |
| BulletBenchmeasured by us | Median move timemilliseconds | 5.4 s | 8.1 s |
| CatalogBenchmeasured by us | Channel rules broken% of products | 0.6% | 3.0% |
| CatalogBenchmeasured by us | Content quality% of checks | 96.2% | 96.5% |
| CatalogBenchmeasured by us | Failed outputs% of products | 0.0% | 0.0% |
| CatalogBenchmeasured by us | Missing UK information% of products | 0.0% | 0.0% |
| CatalogBenchmeasured by us | Not findable% of products | 1.8% | 0.6% |
| CatalogBenchmeasured by us | Publish-ready listings% of products | 0.6% | 8.9% |
| CatalogBenchmeasured by us | Reliably publish-ready% of products | 0.0% | 1.8% |
| CatalogBenchmeasured by us | Unsupported claimsclaims per product | 7.91 | 3.97 |
| CatalogBenchmeasured by us | Unsupported claims% of products | 99.4% | 86.3% |
| CatalogBenchmeasured by us | Wrong attributes% of products | 14.9% | 20.8% |
| CatalogBenchmeasured by us | Wrong category or variant% of products | 1.8% | 3.0% |
| CatalogBenchmeasured by us | Channel compliance% of products | 100.0% | 99.4% |
| CatalogBenchmeasured by us | Channel rules broken% of products | 0.0% | 1.2% |
| CatalogBenchmeasured by us | Conflicts caught% of conflicts | 100.0% | 100.0% |
| CatalogBenchmeasured by us | Content quality% of checks | 96.3% | 96.2% |
| CatalogBenchmeasured by us | Cost per productUS dollars | $0.0991 | $0.0172 |
| CatalogBenchmeasured by us | Decision accuracy% of decisions | 94.3% | 94.5% |
| CatalogBenchmeasured by us | Failed outputs% of products | 0.0% | 0.0% |
| CatalogBenchmeasured by us | Field accuracy% of missing fields | 94.7% | 91.5% |
| CatalogBenchmeasured by us | Invented values% of filled values | 0.7% | 0.8% |
| CatalogBenchmeasured by us | Missing UK information% of products | 0.0% | 0.0% |
| CatalogBenchmeasured by us | Not findable% of products | 1.8% | 1.2% |
| CatalogBenchmeasured by us | Publish-ready listings% of products | 35.1% | 35.1% |
| CatalogBenchmeasured by us | Reliably publish-ready% of products | 16.1% | 21.4% |
| CatalogBenchmeasured by us | Unsupported claimsclaims per product | 1.89 | 1.59 |
| CatalogBenchmeasured by us | Unsupported claims% of products | 61.3% | 51.8% |
| CatalogBenchmeasured by us | Wrong attributes% of products | 11.9% | 19.1% |
| CatalogBenchmeasured by us | Wrong category or variant% of products | 2.4% | 3.0% |
| ROASBenchmeasured by us | Audience scorescore out of 100 | 67.7 | 61.8 |
| ROASBenchmeasured by us | Business scorescore out of 100 | 52.3 | 57.2 |
| ROASBenchmeasured by us | Consistency scorescore out of 100 | 33.3 | 28.5 |
| ROASBenchmeasured by us | Contribution profitsimulated US dollars | $965,271 | $571,203 |
| ROASBenchmeasured by us | Cost of a runUS dollars | $2.49 | $0.42 |
| ROASBenchmeasured by us | Months over budgetmonths of 12 | 0 | 0 |
| ROASBenchmeasured by us | Overall scorescore out of 100 | 51.5 | 52.0 |
| ROASBenchmeasured by us | Planning scorescore out of 100 | 54.6 | 55.1 |
| ROASBenchmeasured by us | Return on ad spendprofit per $1 spent | $0.64 | $0.70 |
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.