#08Z.ai· released 2026-06-16

Z.ai: GLM 5.2.

GLM 5.2 is a large-scale reasoning model from Z.ai. It supports text input and output with a 1M-token context window, and is suited for long-horizon agent workflows, project-level software engineering,...

View on OpenRouter ↗
Context
1.0M
Input $/1M
$0.77
Output $/1M
$2.43
Modality
text
Arena Elo
1535
LMArena — human blind votes
AA Index
64.0
Artificial Analysis composite
LiveBench
79.8
Contamination-resistant
GPQA
86.7%
Grad-level science reasoning
MMLU-Pro
84.9%
Broad knowledge
SWE-bench
70.4%
Real GitHub bugs (Verified)
Terminal-Bench
48.6%
Agentic shell tasks
ARC-AGI
17.2%
Abstract reasoning
Aider Polyglot
83.5%
Multi-language code editing
Speed
82 tok/s
Median output speed

Nearby on the leaderboard