# Claude Fable 5.1 · Search Capability Leaderboard

* Search Intelligence Score: **61.0** (#5 in Search Intelligence)
* Without search: 31.9 · Lift from search +29.1
* Cost per 1K tasks: $455 (#12 in Search Efficiency)
* Time per task: 81.5s
* Lab: Anthropic · Model id: claude-fable-5.1

## Accuracy by benchmark

| Suite | With search | Without search |
| ----- | ----------- | -------------- |
| DSQA  | 48.0        | 15.0           |
| HLE   | 65.0        | 62.6           |
| WISER | 70.0        | 18.0           |

## Compared with

| Model                                                   | Score | Lift  | Cost per 1K tasks | Time per task |
| ------------------------------------------------------- | ----- | ----- | ----------------- | ------------- |
| Claude Fable 5.1                                        | 61.0  | +29.1 | $455              | 81.5s         |
| [Claude Opus 5](/leaderboard/claude-opus-5)             | 59.3  | +25.3 | $235              | 74.5s         |
| [Claude Sonnet 5](/leaderboard/claude-sonnet-5)         | 53.7  | +33.3 | $223              | 83.3s         |
| [DeepSeek V4.1 Flash](/leaderboard/deepseek-v4-1-flash) | 65.3  | +45.0 | $44.8             | 124s          |
| [Muse Spark 1.3](/leaderboard/muse-spark-1-3)           | 65.3  | +34.3 | $98.2             | 66.2s         |

Latest update September 14, 2026\. Methodology: /leaderboard#methodology