Claude Opus 4.5 Benchmark Scores & Performance

Benchmark analysis of Claude Opus 4.5 by Anthropic across 14 tests.

Creator

Anthropic

Source Type

Proprietary

Reasoning

Non-Reasoning

Context Window

200K

Overall Score

79#10 of 88

Knowledge Benchmarks

MMLU
99
GPQA
97
SuperGPQA
95
OpenBookQA
93

Coding Benchmarks

HumanEval
91

Mathematics Benchmarks

AIME 2023
99
AIME 2024
99
AIME 2025
98
HMMT Feb 2023
95
HMMT Feb 2024
97
HMMT Feb 2025
96
BRUMO 2025
96

Reasoning Benchmarks

SimpleQA
95
MuSR
93

Frequently Asked Questions

How does Claude Opus 4.5 perform overall in AI benchmarks?

Claude Opus 4.5 ranks #10 out of 88 models with an overall score of 79. It is created by Anthropic and features a 200K context window.

Is Claude Opus 4.5 good for knowledge and understanding?

Claude Opus 4.5 ranks #10 out of 88 models in knowledge and understanding benchmarks with an average score of 96. It is among the top performers in this category.

Is Claude Opus 4.5 good for coding and programming?

Claude Opus 4.5 ranks #11 out of 88 models in coding and programming benchmarks with an average score of 91. There are stronger options in this category.

Is Claude Opus 4.5 good for mathematics?

Claude Opus 4.5 ranks #10 out of 88 models in mathematics benchmarks with an average score of 97.1. It is among the top performers in this category.

Is Claude Opus 4.5 good for reasoning and logic?

Claude Opus 4.5 ranks #10 out of 88 models in reasoning and logic benchmarks with an average score of 94. It is among the top performers in this category.

What is the context window size of Claude Opus 4.5?

Claude Opus 4.5 has a context window of 200K tokens, which determines how much text it can process in a single interaction.