Search Capability Leaderboard
Claude Fable 5.1
Anthropic
2Silver · Search Intelligence
#14 in Search Efficiency
Search Intelligence Score
72.7
+30.3 lift from search
050100
- Lift from search
- +30.3
- 42.4 without search
- Cost per 1K tasks
- $1,655
- #14 in Search Efficiency
- Time per task
- 512s
- Search plus inference time to complete one task
Accuracy by benchmark
Accuracy on each eval, with search (solid) and without (light).
- DSQA88.0 vs 54.1
- HLE52.0 vs 53.0
- WISER78.0 vs 20.0
Cost per 1K tasks
How the cost splits between model inference, search calls, and page extraction.
- Inference
- $1,642
- 99%
- Search
- $2.64
- 0%
- Extract
- $10.3
- 1%
Compared with
Other models from the same provider alongside models that score closest.
- Fable 5.172.7Cost $1,655 · Lift +30.3 · 512s
- Opus 570.0Cost $1,012 · Lift +32.8 · 342s
- Opus 5.575.4Cost $949 · Lift +31.2 · 512s
- Sonnet 566.6Cost $688 · Lift +43.8 · 846s
- GPT-6 Astra70.8Cost $401 · Lift +27.9 · 83.7s
| Model | Score | Lift | Cost per 1K tasks | Time per task |
|---|---|---|---|---|
| Claude Fable 5.1 | 72.7 | +30.3 | $1,655 | 512s |
| Opus 5Claude Opus 5 | 70.0 | +32.8 | $1,012 | 342s |
| Opus 5.5Claude Opus 5.5 | 75.4 | +31.2 | $949 | 512s |
| Sonnet 5Claude Sonnet 5 | 66.6 | +43.8 | $688 | 846s |
| GPT-6 AstraGPT-6 Astra | 70.8 | +27.9 | $401 | 83.7s |
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 25, 2026. Full methodology.
# Claude Fable 5.1 · Search Capability Leaderboard
- Search Intelligence Score: 72.7 (#2 in Search Intelligence)
- Without search: 42.4 · Lift from search +30.3
- Cost per 1K tasks: $1,655 (#14 in Search Efficiency)
- Time per task: 512s
- Medals: Silver, Search Intelligence
- Lab: Anthropic · Model id: claude-fable-5.1
## Accuracy by benchmark
| Suite | With search | Without search |
|---|---|---|
| DSQA | 88.0 | 54.1 |
| HLE | 52.0 | 53.0 |
| WISER | 78.0 | 20.0 |
## Compared with
| Model | Score | Lift | Cost per 1K tasks | Time per task |
|---|---|---|---|---|
| Claude Fable 5.1 | 72.7 | +30.3 | $1,655 | 512s |
| Claude Opus 5 | 70.0 | +32.8 | $1,012 | 342s |
| Claude Opus 5.5 | 75.4 | +31.2 | $949 | 512s |
| Claude Sonnet 5 | 66.6 | +43.8 | $688 | 846s |
| GPT-6 Astra | 70.8 | +27.9 | $401 | 83.7s |
Latest update September 25, 2026. Methodology: /leaderboard#methodology