GLM-5.1 is Zhipu's next-level open source model, ranking #1 in open source and #3 globally across SWE-Bench Pro, Terminal-Bench, and NL2Repo (as of April 2026). Built for long-horizon tasks, it can run autonomously for up to 8 hours. Run at FP8.
Added Mar 27, 2026
Context Window
200.0K
Max Output
131.1K
Input Price (Auto)
$0.79/1M
Output Price (Auto)
$2.73/1M
Cache Read (Auto)
$0.16/1M
Capabilities
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
51.4
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Coding Index
43.4
Agentic Index
66.0
GPQA Diamond
Graduate-level scientific reasoning
86.8%
Better than 93% of models compared
HLE
Humanity's Last Exam
28.0%
Better than 93% of models compared
IFBench
Instruction-following benchmark
76.3%
Better than 96% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
97.7%
Better than 99% of models compared
AA-LCR
Long context reasoning evaluation
62.3%
Better than 82% of models compared
GDPval-AA
Economically valuable tasks
49.8%
Better than 94% of models compared
CritPt
Research-level physics reasoning
0.0%
Better than 30% of models compared
SciCode
Python programming for scientific computing
43.8%
Better than 90% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
43.2%
Better than 93% of models compared
AA-Omniscience Accuracy
Proportion of correctly answered questions
25.7%
Better than 77% of models compared
AA-Omniscience Hallucination Rate
Rate of incorrect answers among non-correct responses
63.4%
Better than 81% of models compared
Last updated May 11, 2026
Artificial Analysis
