GLM-5.1
Strong GLM coding model for agentic engineering, terminals, and repository generation
ECI STANDING#48 of 266
SCORE149.71147.97–151.41 CI
FRONTIER LAGLaunched 8.0 months behindScores about what GPT-5 did in August 2025.
SCORES LIKE THESE MODELSClaude Opus 4.5Anthropic · Nov 2025150.11Kimi K2.7 CodeMoonshot · Jun 2026150.07GPT-5OpenAI · Aug 2025150.0GPT-5.1OpenAI · Nov 2025149.64
Full Epoch Capabilities Index ranking ↗From the lab
Launch announcement · Apr 7, 2026GLM-5.1RELEASE DATEApr 7, 2026
WEIGHTSOpen weights
CONTEXT WINDOW200K
MAX OUTPUT131.1K
REASONINGYes
TOOL CALLINGYes
INPUTStext
OUTPUTStext
Specifications from Models.dev. Availability and limits may differ by provider. Benchmark scores come from Epoch AI under CC BY 4.0.