claude-opus-4-5-search: benchmark scores, price and ranking

claude-opus-4-5-search from Anthropic is a recent or sparsely tested model with 1 benchmark result on record; it has not been measured on enough benchmarks shared with other models to receive an aggregate rank. This page lists every score we have, based on 1 benchmark results captured up to 2026-10-13.

Organisation: Anthropic
Type: Frontier model
Open weights: No
Aggregate rank: Not ranked yet (too few shared benchmarks)

Across the 1 benchmark where at least ten models are scored, claude-opus-4-5-search is in the top 10% on 0 and in the top half on 1.

claude-opus-4-5-search benchmark results

claude-opus-4-5-search benchmark scores, ranked against all models measured on each benchmark
Benchmark	Score	Rank	Source	Captured
LMArena Search Elo	1,180	#14 of 28	LMArena	2026-10-13

About claude-opus-4-5-search

claude-opus-4-5-search is a frontier model from Anthropic. No API price is listed for it yet. We hold 1 benchmark result for it across 1 area, and none is in the top tenth of its board.

Where claude-opus-4-5-search stands

claude-opus-4-5-search has 1 result so far and shares too few benchmarks with other models to get an aggregate rank. The rank will appear on its own once more scores are published.

claude-opus-4-5-search, benchmark by benchmark

LMArena Search Elo puts claude-opus-4-5-search at 1,180, #14 of 28. That beats 50% of the models tested, but 73 points short of claude-opus-4-6-search (1,253). The results either side are grok-4.20-beta1 (1,189) and gpt-5.2-search-non-reasoning (1,172). It covers crowd-voted web-search answers. The board median is 1,176, so claude-opus-4-5-search is 4 points above it. Source: LMArena, captured 2026-10-13.

Reading these numbers

The 1 score on this page comes from 1 source: LMArena (1). No official leaderboard supplied any of them, so treat them as third-party measurements. With 1 results the aggregate rank can move a lot when one new score arrives.