# Claude Sonnet 5 · Search Capability Leaderboard

* Search Intelligence Score: **53.7** (#11 in Search Intelligence)
* Without search: 20.3 · Lift from search +33.3
* Cost per 1K tasks: $223 (#9 in Search Efficiency)
* Time per task: 83.3s
* Lab: Anthropic · Model id: claude-sonnet-5

## Accuracy by benchmark

| Suite | With search | Without search |
| ----- | ----------- | -------------- |
| DSQA  | 48.0        | 9.0            |
| HLE   | 46.0        | 40.0           |
| WISER | 67.0        | 12.0           |

## Compared with

| Model                                             | Score | Lift  | Cost per 1K tasks | Time per task |
| ------------------------------------------------- | ----- | ----- | ----------------- | ------------- |
| Claude Sonnet 5                                   | 53.7  | +33.3 | $223              | 83.3s         |
| [Claude Opus 5](/leaderboard/claude-opus-5)       | 59.3  | +25.3 | $235              | 74.5s         |
| [Claude Fable 5.1](/leaderboard/claude-fable-5-1) | 61.0  | +29.1 | $455              | 81.5s         |
| [Gemini 3.7 Flash](/leaderboard/gemini-3-7-flash) | 54.3  | +25.3 | $61.1             | 79.7s         |
| [GPT-5.6 Luna](/leaderboard/gpt-5-6-luna)         | 54.7  | +32.3 | $23.0             | 59.4s         |

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