Why hackers moved from Claude Opus to GLM
1 hacker described this switch in public comments. Their words, with links to the originals.
What hackers said about the move
“Same here. Moved from Opus to GLM 5.2 to 5.3 and I've been pretty happy with the result.”Sayrus, 2026-09-21original comment ↗
Use Claude Opus? Get alerted when hackers criticize it.
Tell us the tools in your stack. When hackers start criticizing one of them, or moving to an alternative, you will hear about it first.
Claude Opus vs GLM
| Claude Opus | GLM | |
|---|---|---|
| Hackers who recommend | 5 | 5 |
| Hackers who criticize | 2 | 0 |
| Moved away from it | 6 | 0 |
| Moved to it | 1 | 3 |
Counts are distinct hackers in the sampled comments, not market share.
Criticism of Claude Opus
“My personal experience has been Opus is unusable on design work it's so terrible.”nijave, 2026-09-26original comment ↗
“This seems a worsening that seems to have started at Opus 4.8.”ghoul2, 2026-09-02original comment ↗
Praise for GLM
“We already switched from openAI to GLM and now this is just a better model with the same price”jackbeanstalk20, 2026-10-24original comment ↗
“I found it tends to be a stronger debugger when it comes to fixing openclaw issues with bash, being more thorough in finding the right root cause.”chillacy, 2026-05-06original comment ↗
“They give these opensource source models.”arjun-mavonic, 2026-04-28original comment ↗
“GLM 5.1 is simply where its at right now. It is not the best model, but it is much better than Sonnet at 1/5 the cost.”jeremyjh, 2026-04-23original comment ↗
Other moves from Claude Opus
Other moves to GLM
- Kimi → GLM (1)
- OpenAI → GLM (1)