Opus 4.5 (Thinking, 8K): benchmark scores, price and ranking
Opus 4.5 (Thinking, 8K) ranks #371 of 743 LLMs on the LLMs Tiger aggregate benchmark score (48.2), based on 1 benchmark results captured up to 2026-10-13.
- Type
- Frontier model
- Open weights
- No
- Aggregate rank
- #371 of 743 (score 48.2)
Across the 1 benchmark where at least ten models are scored, Opus 4.5 (Thinking, 8K) is in the top 10% on 0 and in the top half on 0.
Opus 4.5 (Thinking, 8K) benchmark results
| Benchmark | Score | Rank | Source | Captured |
|---|---|---|---|---|
| ARC-AGI-2 | 13.9% | #47 of 87 | ARC Prize official leaderboard | 2026-10-13 |
About Opus 4.5 (Thinking, 8K)
Opus 4.5 (Thinking, 8K) is a frontier model. 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 Opus 4.5 (Thinking, 8K) stands
On our aggregate score, Opus 4.5 (Thinking, 8K) is #371 of 743 ranked models, around the middle of the table. Its score is 48.2; the scale is centred on 50, so it sits 1.8 points below the typical model. That beats 50% of the ranked field.
Opus 4.5 (Thinking, 8K), benchmark by benchmark
Opus 4.5 (Thinking, 8K) lands below the middle on ARC-AGI-2: 13.9%, #47 of 87, with 53% of the field scoring higher. GPT-6 Astra (max) leads at 95.0%; the closest result above is GPT-5.1 (Thinking, High) at 17.6%. It covers abstract reasoning, ARC Prize public eval set. The board median is 22.8%, so Opus 4.5 (Thinking, 8K) is 8.9 points below it. Source: ARC Prize official leaderboard, captured 2026-10-13.
Reading these numbers
The 1 score on this page comes from 1 source: ARC Prize official leaderboard (1). 1 of them come from an official leaderboard and 0 from datasets or third-party runs. With 1 results the aggregate rank can move a lot when one new score arrives.
Models ranked nearby
- #368 mini-SWE-agent + Gemini 3.8 Flash (48.3)
- #369 DevStral Small 2507 (48.3)
- #370 ernie-5.1 (48.3)
- #372 qwen3.5-35b-a3b (48.2)
- #373 DeepSeek-R1 (May 2025) (48.2)
- #374 Qwen2.5 (7B + 72B) (48.2)
Compare it on the live leaderboard → · How the aggregate score works