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Claude 4.1 Opus Thinking

AnthropicEstablishedReleased August 2025
Overall Score
Coming soon
Arena Elo
1062
Categories Ranked
8of 8
Price (1M tokens)
$ in / $ out
Speed
29tok/s
Context
200K
ProprietaryReasoning
Confidence
reasoning

BenchLM is tracking Claude 4.1 Opus Thinking, but sourced benchmark results are not published on the site yet. This page currently shows the model metadata we can verify now, and score-level benchmark coverage will appear once public evaluations land.

Claude 4.1 Opus Thinking is a proprietary model with a 200K token context window. It uses explicit chain-of-thought reasoning, which typically improves performance on math and complex reasoning tasks at the cost of higher latency and token usage.

Claude 4.1 Opus Thinking sits inside the Claude 4.1 Opus family alongside Claude 4.1 Opus. This profile currently has 0 sourced benchmarks on BenchLM, so the benchmark sections below are intentionally marked as coming soon.

Its strongest category is Instruction Following (#37), while its weakest is Agentic (#71). This performance profile makes it a well-rounded choice across a range of tasks.

Ranking Distribution

Category rank across 8 benchmark categories — sorted by best rank

Category Performance

Scores across all benchmark categories (0-100 scale)

Category Breakdown

Agentic

#71
27.2/ 100
Weight: 22%0 benchmarks
Terminal-Bench 2.0BrowseCompOSWorld-VerifiedGAIATAU-benchWebArena

Coding

#45
54.0/ 100
Weight: 20%0 benchmarks
SWE-bench VerifiedLiveCodeBenchSWE-bench ProSWE-RebenchSciCode

Reasoning

#54
49.0/ 100
Weight: 17%0 benchmarks
MuSRLongBench v2MRCRv2ARC-AGI-2

Knowledge

#70
36.9/ 100
Weight: 12%0 benchmarks
GPQASuperGPQAMMLU-ProHLEFrontierScienceSimpleQA

Math

#48
52.9/ 100
Weight: 5%0 benchmarks
AIME 2025BRUMO 2025MATH-500FrontierMath

Multilingual

#55
52.0/ 100
Weight: 7%0 benchmarks
MGSMMMLU-ProX

Multimodal

#49
64.0/ 100
Weight: 12%0 benchmarks
MMMU-ProOfficeQA Pro

Inst. Following

#37
77.8/ 100
Weight: 5%0 benchmarks
IFEvalIFBench

Chatbot Arena Performance

Text Overall1062

Benchmark Details

Only benchmark rows with an attached exact-source record are shown here. Source-unverified manual rows and generated rows are hidden from model pages.

Claude 4.1 Opus Family

Reasoning

Canonical Entry

Claude 4.1 Opus

Frequently Asked Questions

How does Claude 4.1 Opus Thinking perform overall in AI benchmarks?

BenchLM is tracking Claude 4.1 Opus Thinking, but sourced benchmark coverage is still coming soon. We currently list its creator, model type, and context window while we wait for public benchmark results.

Which sibling models are related to Claude 4.1 Opus Thinking?

Claude 4.1 Opus Thinking belongs to the Claude 4.1 Opus family. Related variants on BenchLM include Claude 4.1 Opus.

Does Claude 4.1 Opus Thinking have full benchmark coverage on BenchLM?

Not yet. Claude 4.1 Opus Thinking currently has 0 published benchmark scores out of the 152 benchmarks BenchLM tracks. BenchLM only exposes non-generated public benchmark rows, so missing categories stay blank until a sourced evaluation is available.

What is the context window size of Claude 4.1 Opus Thinking?

Claude 4.1 Opus Thinking has a context window of 200K, which determines how much text it can process in a single interaction.

Last updated: April 20, 2026 · Runtime metrics stay blank until BenchLM has a sourced snapshot.

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