GLM-5.1
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Overview
Post-training upgrade to GLM-5 for agentic engineering (same ~744B MoE architecture, 40B active, 200K context, 131K max output). Topped SWE-Bench Pro at release (58.4) ahead of GPT-5.4 (57.7) and Claude Opus 4.6 (57.3) - first open-source model to lead that benchmark. Runs plan-execute-test-fix loops autonomously up to ~8 hours. Open weights released Apr 7, 2026.
Details
- Vendor
- Zhipu AI
- Type
- LLM
- Release year
- 2026
- Jurisdiction
- China
- CEO
- Zhang Peng
- Key staffers
- Zhang Peng (CEO), Tang Jie (Tsinghua University spin-off)
- Deployment
- Cloud + Local (open weights, MIT license)
- Open source
- Yes
- Free tier
- Yes
- Subscription
- Zhipu BigModel API (API launched Mar 27, 2026); GLM Coding Plan subscription
- Stock status
- Public (HKEX, IPO Jan 8 2026, ~$31B valuation)
- X
- @ZhipuAI
Capabilities
App
AIDb Rating
AIDb v2.0 (curated): Capability 8.5/10 · Currency 10/10 · Access 10/10 · Significance 5/10 → 8.50
Safety notes
China-jurisdiction content alignment; use official model card for details.
Last verified 2026-06-11 · Primary source ↗
Cite this
“GLM-5.1.” AIDb — The AI Database. Verified 2026-06-11. https://theaidatabase.com/m/zhipu-ai-glm-5-1.html
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