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Z.ai · Open weights

GLM 5 Turbo

Added Mar 15, 2026Open weights

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Use in the app

Fast GLM 5 Turbo variant from Z-AI for general chat, coding, and tool use.

  • Tools
  • Structured output
Input
Text
Output
Text
Discovery tier
Open weights

Pricing

USD per 1M tokens
Input
$1.20
Output
$4.00
Cache read
$0.24

Reference prices as published by the model provider. API example

Specifications

Context window
202.8K
Max output
131.1K
Average output (7 days)
557 tokens
Longer than 52% of 465 models

Side by side

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Public evaluations

Benchmarks

Independent evaluation results, with how each score ranks among the models in the Noumen catalog.

Intelligence Index

26.6

Better than 67% of 326 scored models

3.8Catalog models by score55.1

Document reasoning

  • AA-LCRv1.1

    71.7%

    Reasoning across long documents

    Better than 53% of 309 scored models

Reasoning and knowledge

  • Humanity’s Last Exam

    27.8%

    Expert-level questions across academic fields

    Better than 58% of 323 scored models

  • GPQA Diamond

    84.7%

    Graduate-level science questions

    Better than 59% of 291 scored models

  • IFBench

    73.2%

    Following precise output instructions

    Better than 81% of 215 scored models

Legacy evaluations

  • Terminal-Bench Hard

    33.3%

    Earlier terminal task suite

    Better than 64% of 212 scored models

  • τ²-Bench Telecom

    98.5%

    Tool use in a customer-support simulation

    Better than 97% of 214 scored models

  • AA-LCR (unversioned)

    71.7%

    Long-context reasoning, earlier grading

    Better than 53% of 309 scored models

Scores from Artificial Analysis, updated Oct 26, 2026. Artificial Analysis

Live routing data

Performance and reliability

Recent averages across requests routed for this model. Your own speed depends on prompt length, reasoning effort and load.

Prompt cache hits
31.9%
About $0.89 per 1M input tokens with caching
Request success (24h)
100.0%
Reliable

Cache hits are the share of input tokens recently served from a prompt cache across all requests. They are not a forecast of your own hit rate.

Hourly request success · last 72 hoursLowest hour 37.5%
  • Healthy (98% or more)
  • Degraded (90–98%)
  • Down (under 90%)
  • No requests

Developers

Use it through the API

Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.

Read the quickstart
curl https://www.noumen.xyz/api/v1/chat/completions \
  -H "Authorization: Bearer $NOUMEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "z-ai/glm-5-turbo",
    "messages": [{ "role": "user", "content": "Explain this stack trace." }]
  }'
import os
from openai import OpenAI

client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
    model="z-ai/glm-5-turbo",
    messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)

Z.ai

Other Z.ai models, starting with the same family.