AnthropicClaude Sonnet 4.5 Search
As of 6 Nov 2026, Claude Sonnet 4.5 Search by Anthropic is not yet ranked on the BenchLeader Index, which needs at least five independent results across two categories.
In detail. Claude Sonnet 4.5 Search is an Anthropic model. It is not yet ranked: no independent benchmark results so far, only pricing and metadata.
- Blended price
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- Output speed
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- First answer
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- Context
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- Full answer
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- Cost per task
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- Tokens per task
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- Released
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- date not published by our sources
Versions
Anthropic has shipped 3 models under this name. Each is ranked on its own results; a newer version often has fewer results so far, which holds its index nearer the average until more arrive.
| Model | Released | Index | Rank |
|---|---|---|---|
| Claude Sonnet 4.5 Searchthis page | – | – | – |
| Claude Sonnet 4.6 Search | – | – | – |
| Claude Sonnet 5 Search | – | – | – |
Benchmark results
See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.
Agents & tools
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| Arena Searchnot in index | 1176#31 | Arena (LMArena) |
More from Anthropic
See also
Questions people ask
- Why does Claude Sonnet 4.5 Search have no BenchLeader Index score?
- The index needs at least five independent results across at least two categories, and as of 6 Nov 2026 Claude Sonnet 4.5 Search does not have them yet. Launch-post scores are never used, so it is ranked once independent publishers have measured it.
Data as of 6 Nov 2026. Compare with another model.
Cite as: BenchLeader, “Claude Sonnet 4.5 Search: benchmarks, pricing, speed and rank”, data as of 6 Nov 2026, https://www.benchleader.com/models/claude-sonnet-4-5-search.