GLM-5.1 (Reasoning)
Z.ai
GLM-5.1 (Reasoning) is a leading intelligence model, notable for its text input and output capabilities along with a wide 200,000 token context window. However, it has the drawback of significantly higher costs compared to open-source models of the same size, operates slower than average, and tends to produce verbose responses.
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Model Specifications
Technical information and release details.
Developer
Z.ai
Multimodal Support
No
Intelligence Score
51
Context Window
200k
Average Price (USD/1M tokens)
$2.15
Speed (tokens/s)
49.0
Latency (s)
1.49
Release Date
4/7/2026
Performance Statistics
The model's intelligence score is the average of these benchmark scores
Detailed Benchmarks
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GLM-5 (reasoning)
GLM-5 (Reasoning) is a leading intelligence model that stands out for its fast processing speed. However, this model has higher costs compared to competitors of the same size and often produces verbose responses. It supports text input and output.