As the Communist Party of China marks its 105th anniversary, a new chapter is unfolding in the nation's quest for technological self-reliance. 

Chinese AI company Z.ai (Zhipu AI) released and open-sourced its flagship model GLM-5.2 on June 17, according to Chinese media outlet Science and Technology Daily. 

The model ranks among the world's top AI models on multiple benchmarks, according to company statements cited in the report.

Z.ai said GLM-5.2 ranks first among globally available models on Code Arena, a front-end coding evaluation system involving millions of users in blind tests. 

On the Artificial Analysis comprehensive leaderboard, the model scored 51 points, making it the top open-source model, according to China Daily.

On long-horizon coding benchmarks, GLM-5.2 trails Anthropic's Claude Opus 4.8 by 1 percentage point on FrontierSWE and by 4 percentage points on Terminal-Bench 2.1, according to Z.ai's official blog post. 

The model outperformed GPT-5.5 and Opus 4.7 on multiple other benchmarks, the company stated.

The model features a 1-million-token context window and is designed for "long-horizon tasks" – autonomously completing complex engineering projects that previously required teams weeks to finish, according to Science and Technology Daily. 

According to Z.ai, a single-sentence prompt enables the model to handle development, integration, testing, and deployment within hours.

GLM-5.2 was released under the MIT open-source license, allowing free download, deployment, and commercial use. 

The company also stated that the model supports domestic chips including Huawei Ascend, T-Head, Moore Threads and Cambricon from its first day of release.

Reuters reported on June 25 that Z.ai's stock has surged over 2,000% since its Hong Kong debut in January, crossing HK$1 trillion (about $128 billion) in market capitalization. The company has announced plans for a dual listing in Shanghai.

Reuters also reported that JP Morgan expects the firm's revenue to grow more than 534% this year. The company's next model, GLM-5.5, is expected in August.

(Cover via VCG)