GLM-5.2 vs. Claude Opus 4.8
GLM-5.2 from Z.ai is the first open-weight model to approach Claude Opus 4.8 in code and reasoning quality. Token generation with GLM-5.2 costs 5.7x less than Opus 4.8.
Opus 4.8 leads in tasks requiring long autonomous planning and repository interaction, such as SWE-Marathon and NL2Repo. The gap reaches 2x. Opus 4.8 remains the only option for image analysis.
GLM-5.2 is MIT-licensed and suitable for local deployment, making it a good fit for data-sensitive tasks. For most use cases, GLM-5.2 serves as a cost-effective alternative, while Opus 4.8 handles the most complex engineering scenarios.
Related stories
- GLM-5.2 (max) matches Claude Opus 4.8 on Harvey LAB-AA
- Semgrep: GLM-5.2 outperforms Claude Code in IDOR detection
- Claude Opus 4.8 is released
- Qwen 3.8 and Claude Opus 5 show why raw benchmark scores don't predict the bill
- Kimi K3 vs Fable 5: same code, a third of the price, four times slower
- Opus 5.5 aced a test suite at 3.4x GPT-6 Sol's cost
Comments
No comments yet. Be the first.
Join the conversation
Sign in with Google to leave a comment. Your name and avatar come from your Google profile, and the comment appears after moderation.