AnthropicClaude Opus 4.5 Search
Claude Opus 4.5 Search is an Anthropic proprietary 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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- Released
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- date not published by our sources
Versions
Anthropic has shipped 4 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 Opus 4 Search | – | – | – |
| Claude Opus 4.1 Search | – | – | – |
| Claude Opus 4.5 Searchthis page | – | – | – |
| Claude Opus 4.6 Search | – | – | – |
Benchmark results
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 |
|---|---|---|
| LMArena Searchnot in index | 1187#20 | LMArena |
See also
Data as of 19 Sept 2026. Compare with another model.
Cite as: BenchLeader, “Claude Opus 4.5 Search: benchmarks, pricing, speed and rank”, https://www.benchleader.com/models/claude-opus-4-5-search, data as of 19 Sept 2026.