z-ai/glm-5

GLM 5

GLM-5 is Z.ai’s flagship open-source foundation model engineered for complex systems design and long-horizon agent workflows. Built for expert developers, it delivers production-grade performance on large-scale programming tasks, rivaling leading closed-source models. With advanced agentic planning, deep backend reasoning, and iterative self-correction, GLM-5 moves beyond code generation to full-system construction and autonomous execution.

2/11/2026

204,800 tokens

#16 Text (Chinese)

Input: ¥178.7149/M

Output: ¥571.8877/M

Try in Chat Get API Key

Specifications

Modalities

Input

text

Output

text

Supported Parameters

frequency_penalty

include_reasoning

logit_bias

logprobs

max_tokens

min_p

presence_penalty

reasoning

repetition_penalty

response_format

seed

stop

structured_outputs

temperature

tool_choice

tools

top_k

top_logprobs

top_p

Max Output Tokens

131,072

Code Examples

curl https://api.fastmetal.ai/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "glm-5",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Leaderboard

Text

🏆OverallELO: 1,457

#45

🇯🇵JapaneseELO: 1,408

#55

🇨🇳ChineseELO: 1,524

#16

🇰🇷KoreanELO: 1,426

#30

🇬🇧EnglishELO: 1,471

#38

frenchELO: 1,479

#39

germanELO: 1,442

#57

spanishELO: 1,450

#50

russianELO: 1,448

#58

💻CodingELO: 1,497

#57

🧮MathELO: 1,443

#59

✍️Creative WritingELO: 1,445

#34

📝Instruction FollowingELO: 1,447

#48

🌶️Hard PromptsELO: 1,478

#46

💬Multi-TurnELO: 1,472

#38

Code

🏆OverallELO: 1,430

#43