CyberGym

Progress Over Time

Interactive timeline showing model performance evolution on CyberGym

State-of-the-art frontier
Open
Proprietary

CyberGym Leaderboard

10 models
ContextCostLicense
1
2
3
OpenAI
OpenAI
1.1M$5.00 / $30.00
41.0M$5.00 / $25.00
51.0M$5.00 / $25.00
61.0M$5.00 / $25.00
7
ByteDance
ByteDance
8
Zhipu AI
Zhipu AI
754B200K$1.40 / $4.40
9
10
Moonshot AI
Moonshot AI
1.0T
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About this benchmark

What is CyberGym?

CyberGym is a benchmark for evaluating AI agents on cybersecurity tasks, testing their ability to identify vulnerabilities, perform security analysis, and complete security-related challenges in a controlled environment.

CyberGym is a text benchmark evaluating models on safety, agents, and code tasks. LLM Stats tracks 10 models on this benchmark, scored on a 0–1 scale. The current average is 0.7, with the leader at 0.8.

Compare leaders on the best AI for safety, best AI for agents and best AI for code leaderboards.

Current leaders

Gemini 3.5 Flash Cyber from Google currently leads the CyberGym leaderboard with a score of 0.832 across 10 evaluated AI models.

2Claude Mythos PreviewAnthropic83.1%
3GPT-5.5OpenAI81.8%
OSSGLM-5.1#8 open-weight68.7%

FAQ

Common questions about the CyberGym benchmark and leaderboard.

What is the CyberGym benchmark?

CyberGym is a benchmark for evaluating AI agents on cybersecurity tasks, testing their ability to identify vulnerabilities, perform security analysis, and complete security-related challenges in a controlled environment.

What is the CyberGym leaderboard?

The CyberGym leaderboard ranks 10 AI models based on their performance on this benchmark. Currently, Gemini 3.5 Flash Cyber by Google leads with a score of 0.832. The average score across all models is 0.721.

What is the highest CyberGym score?

The highest CyberGym score is 0.832, achieved by Gemini 3.5 Flash Cyber from Google.

How many models are evaluated on CyberGym?

10 models have been evaluated on the CyberGym benchmark, with 0 verified results and 10 self-reported results.

What categories does CyberGym cover?

CyberGym is categorized under safety, agents, and code. The benchmark evaluates text models.

What is the best open-source model on CyberGym?

GLM-5.1 by Zhipu AI is the top-ranked open-source model on CyberGym, with a score of 0.687 (rank #8).

Which model offers the best value on CyberGym?

Among models scoring within 10% of the leader, GPT-5.5 from OpenAI is the cheapest, at $5.00 per million input tokens with a score of 0.818.

How recent are the CyberGym leaderboard results?

The CyberGym leaderboard was last updated in July 2026 and currently includes 10 evaluated models.