LLMOpen weights

GLM 5.1

Zhipu AI

Updated May 21, 2026 · Benchmarks via Artificial Analysis, specs & pricing via OpenRouter · Methodology · Report an error

Specifications

Type: LLM
Access: Open weights
Released: April 7, 2026
Context window: 202,752 tokens
Output speed: 53 tok/s
Latency (TTFT): 0.78s
Input: Text
Output: Text
API pricing: $0.98 in · $3.08 out / 1M tokens

Capabilities

Function callingStructured output

Benchmarks

Reasoning

86.8

General

Humanity’s Last Exam

28

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