GLM-5.1 with extended thinking enabled. Ranks #1 in open source and #3 globally across SWE-Bench Pro, Terminal-Bench, and NL2Repo (as of April 2026). Excels at long-horizon tasks, running autonomously for up to 8 hours while refining strategies through thousands of iterations. 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
GPQA Diamond
Graduate-level scientific reasoning
86.8%
Better than 94% of models compared
HLE
Humanity's Last Exam
28.0%
Better than 94% of models compared
IFBench
Instruction-following benchmark
76.3%
Better than 97% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
97.7%
Better than 98% of models compared
AA-LCR
Long context reasoning evaluation
62.3%
Better than 84% of models compared
SciCode
Python programming for scientific computing
43.8%
Better than 91% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
43.2%
Better than 94% of models compared
Last updated May 15, 2026
Artificial Analysis
