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Zhipu AI (Z.ai)

GLM 5

Benchmarks, price, context and versions

Also searched as

GLM-5

Direct answer: GLM 5 is a model from Zhipu AI (Z.ai). 87.8% on GPQA Diamond, per Epoch AI. On OpenRouter, US$ 1.00 per 1 million input tokens and US$ 3.20 per 1 million output tokens.

✓ Good for

  • agents that follow rules and use tools (#30 of 131 on τ-bench Verified (airline))
  • running on your own infrastructure (open weights)

✕ Not the best for

  • fixing bugs in real code (#22 of 32 on SWE-bench Verified)
  • technical reasoning as the model appears through the API (#88 of 135 on GPQA Diamond (OpenRouter))

This block follows a rule of this section, using source data: if the model is in the top 25% of the metric, the item goes under "Good for"; if it is in the bottom half, it goes under "Not the best for". The middle band appears in neither. Price and context use OpenRouter; scores use Epoch AI or OpenRouter Benchmarks, in the latest version we checked.

Benchmarks

GPQA Diamond

?what it is
87.8%

highest score on this metric 96.4%

60º / 198 · Epoch AI, latest version we checked

OTIS Mock AIME

?
80%

highest score on this metric 100%

91º / 186 · Epoch AI, latest version we checked

SWE-bench Verified

?
72.1%

highest score on this metric 83.5%

22º / 32 · Epoch AI, latest version we checked

GPQA Diamond (OpenRouter)

?
81%

highest score on this metric 96.5%

88º / 135 · OpenRouter Benchmarks, latest version we checked

τ-bench Verified (airline)

?
76.9%

highest score on this metric 82%

30º / 131 · OpenRouter Benchmarks, latest version we checked

Key specs

Origin
China
Family
GLM provisional data
Weights?
open
License
mit
Input US$/1M?
US$ 1.00
Output US$/1M
US$ 3.20
Context?
204,800 tokens
Parameters
753,864,139,008
Input
text
OpenRouter usage?
no data
Downloads (30 days)?
1,370,207
Use cases provisional data
Text Agents Code
Dates in sources
  • 2026, published, per Epoch AI
  • 2026, listed on OpenRouter
  • 2026, Hugging Face repo created

Version history

Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch.

FAQ

What is GLM 5?

GLM 5 is a model from Zhipu AI (Z.ai), with open weights, used for text, agents, code.

How much does GLM 5 cost?

On OpenRouter, US$ 1.00 per 1 million input tokens and US$ 3.20 per 1 million output tokens.

What is the context window of GLM 5?

204,800 tokens, per OpenRouter.

Is GLM 5 open source?

Yes, it has open weights. License: mit.

What is GLM 5's GPQA Diamond score?

87.8% on GPQA Diamond, per Epoch AI.

Is GLM 5 good for coding?

It scores 72.1% on SWE-bench Verified, per Epoch AI.

Who made GLM 5?

It was made by Zhipu AI (Z.ai), a lab from China.

provisional data Questions under review: Semrush had no API balance during collection. Answers use source data only.

Models from Zhipu AI (Z.ai)

See lab

Sources

  • Epoch AI, CC BY 4.0, latest version we checked.
  • Hugging Face Hub, metadados públicos do Hub; licença de cada modelo no repositório, latest version we checked.
  • OpenRouter, dados públicos da API; exports de benchmarks e rankings em CC BY 4.0, latest version we checked.
  • OpenRouter Benchmarks, CC BY 4.0, latest version we checked.

Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch. Family and version were grouped by rule from the name.