What is the best open LLM on FrontierMath?

GLM 5.1 is the top open model on FrontierMath, scoring 33.5%. Among all models tested — including proprietary ones — it ranks #20.

Can open models match proprietary models on FrontierMath?

Not quite on FrontierMath: the strongest proprietary model (gpt-5.5-pro-pre-release_high) scores 52.4%, ahead of the best open model (GLM 5.1) at 33.5% — but you can run the open one yourself.

Math

FrontierMath Leaderboard

Name: FrontierMath — open LLM scores
Creator: epoch

FrontierMath is a benchmark of exceptionally hard, original research-level mathematics problems created with professional mathematicians. Even the strongest models solve only a small fraction, making it a frontier measure of genuine mathematical ability.

Source: epoch3 open models ranked+97 proprietaryData through May 2026

Open models All models

Open models ranked on FrontierMath

# shows rank among open models / rank overall (including proprietary).

#	Model	Score
1 / 20	GLM 5.1 · 753.9B	33.5%
2 / 47	GLM 5 · 753.9B	16.4%
3 / 100	Llama 4 Scout 17B 16E Instruct · 108.6B	0.0%

FrontierMath: frequently asked questions

What is the best open LLM on FrontierMath?: GLM 5.1 is the top open model on FrontierMath, scoring 33.5%. Among all models tested — including proprietary ones — it ranks #20.
Can open models match proprietary models on FrontierMath?: Not quite on FrontierMath: the strongest proprietary model (gpt-5.5-pro-pre-release_high) scores 52.4%, ahead of the best open model (GLM 5.1) at 33.5% — but you can run the open one yourself.

Scores aggregated from epoch. llmrun does not run this benchmark — see the source for methodology, or the about benchmarks for what it measures.