Search Capability Leaderboard
Claude Fable 5.1
Anthropic
#5 in Search Intelligence · #12 in Search Efficiency
Search Intelligence Score
61.0
+29.1 lift from search
050100
- Lift from search
- +29.1
- 31.9 without search
- Cost per 1K tasks
- $455
- #12 in Search Efficiency
- Time per task
- 81.5s
- Search plus inference time to complete one task
Accuracy by benchmark
Accuracy on each eval, with search (solid) and without (light).
- DSQA48.0 vs 15.0
- HLE65.0 vs 62.6
- WISER70.0 vs 18.0
Cost per 1K tasks
How the cost splits between model inference, search calls, and page extraction.
- Inference
- $449
- 99%
- Search
- $2.04
- 0%
- Extract
- $3.49
- 1%
InferenceSearchExtract
Compared with
Other models from the same provider alongside models that score closest.
| Model | Score | Lift | Cost per 1K tasks | Time per task |
|---|---|---|---|---|
| Claude Fable 5.1 | 61.0 | +29.1 | $455 | 81.5s |
| Opus 5Claude Opus 5 | 59.3 | +25.3 | $235 | 74.5s |
| Sonnet 5Claude Sonnet 5 | 53.7 | +33.3 | $223 | 83.3s |
| DS Flash 4.1DeepSeek V4.1 Flash | 65.3 | +45.0 | $44.8 | 124s |
| Muse Spark 1.3Muse Spark 1.3 | 65.3 | +34.3 | $98.2 | 66.2s |
Search Intelligence Score averages accuracy on DSQA, HLE, and WISER with equal weight; cost and time are averaged the same way, with cost shown per 1,000 tasks. Latest update September 14, 2026. Full methodology.
# 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 | 59.3 | +25.3 | $235 | 74.5s |
| Claude Sonnet 5 | 53.7 | +33.3 | $223 | 83.3s |
| DeepSeek V4.1 Flash | 65.3 | +45.0 | $44.8 | 124s |
| Muse Spark 1.3 | 65.3 | +34.3 | $98.2 | 66.2s |
Latest update September 14, 2026. Methodology: /leaderboard#methodology