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Z.ai · Open weights

GLM 4.6 Turbo

Added Oct 2, 2025Open weights

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Use in the app

Fast variant of GLM 4.6 for general chat, coding, and analysis with improved latency and strong reasoning.

Input
Text
Output
Text
Discovery tier
Open weights

Pricing

USD per 1M tokens
Input
$1.00
Output
$3.00

Reference prices as published by the model provider. API example

Specifications

Context window
204.8K
Max output
131.1K
Average output (7 days)
696 tokens
Longer than 61% of 468 models

Side by side

GLM 4.6 Turbo compared

Specifications, prices, speed and benchmark scores next to each other. Benchmarks below show every compared model too.

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GLM 4.6 TurboZ.aiThis modelGemma 4 31B IT TEEGoogleRemove
ProviderZ.aiGoogle
Discovery tierOpen weightsOpen weights
AddedOct 2, 2025May 26, 2026
Limits
Context window204.8K262.14KBest
Max output131.07K262.14KBest
Average output696 tokens269 tokens
Pricing, USD per 1M tokens
Input$1.00$0.15Best
Output$3.00$0.46Best
Performance
Throughput—62.7 tok/s
Time to first token—3.9 s
Request success (24h)—99.8%
Benchmark indexes
Intelligence Index14.9Best14.7
Coding Index—43.4
Math Index44.3—
Capabilities
ReasoningNoYes
ToolsNoYes
Reasoning effort——

Public evaluations

Benchmarks

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

  • GLM 4.6 Turbo
  • Gemma 4 31B IT TEE

Intelligence Index

  • GLM 4.6 Turbo14.9
  • Gemma 4 31B IT TEE14.7

GLM 4.6 Turbo: Better than 37% of 326 scored models

3.8Catalog models by score55.1

Indexes

  • Coding Index

    Composite of the coding evaluations

    • GLM 4.6 Turbo: —
    • Gemma 4 31B IT TEE: 43.4

  • Math Index

    Composite of the math evaluations

    • GLM 4.6 Turbo: 44.3
    • Gemma 4 31B IT TEE: —

Agentic work

  • AutomationBench-AA

    Workflow automation, penalized for guardrail violations

    • GLM 4.6 Turbo: —
    • Gemma 4 31B IT TEE: 4.9%

  • AutomationBench-AA tasks completed

    Workflows finished end to end without a guardrail violation

    • GLM 4.6 Turbo: —
    • Gemma 4 31B IT TEE: 0.5%

  • AA-Briefcasev1.1

    Agentic knowledge work, rated head to head

    • GLM 4.6 Turbo: —
    • Gemma 4 31B IT TEE: 368 Elo

  • GDPval-AAv2.1

    Economically valuable occupational tasks, rated head to head

    • GLM 4.6 Turbo: —
    • Gemma 4 31B IT TEE: 619 Elo

Document reasoning

  • GDP.pdf

    Professional reasoning over PDF documents, all-pass rate

    • GLM 4.6 Turbo: —
    • Gemma 4 31B IT TEE: 6.0%

  • AA-LCRv1.1

    Reasoning across long documents

    • GLM 4.6 Turbo: 26.3%
    • Gemma 4 31B IT TEE: 69.7%Top

Reasoning and knowledge

  • Humanity’s Last Exam

    Expert-level questions across academic fields

    • GLM 4.6 Turbo: 5.5%
    • Gemma 4 31B IT TEE: 23.6%Top

  • GPQA Diamond

    Graduate-level science questions

    • GLM 4.6 Turbo: 63.2%
    • Gemma 4 31B IT TEE: 85.7%Top

  • MMLU-Pro

    Multi-subject knowledge and reasoning

    • GLM 4.6 Turbo: 78.4%
    • Gemma 4 31B IT TEE: —

  • IFBench

    Following precise output instructions

    • GLM 4.6 Turbo: 36.7%
    • Gemma 4 31B IT TEE: 75.6%Top

Coding

  • Terminal-Benchv4.0

    Practical software engineering in a terminal

    • GLM 4.6 Turbo: —
    • Gemma 4 31B IT TEE: 0.0%

  • SciCode

    Scientific computing in Python

    • GLM 4.6 Turbo: —
    • Gemma 4 31B IT TEE: 45.5%

  • LiveCodeBench

    Recent competitive programming problems

    • GLM 4.6 Turbo: 56.1%
    • Gemma 4 31B IT TEE: —

Math

  • AIME 2025

    Competition mathematics, 2025 problems

    • GLM 4.6 Turbo: 44.3%
    • Gemma 4 31B IT TEE: —

Legacy evaluations

  • Terminal-Bench Hard

    Earlier terminal task suite

    • GLM 4.6 Turbo: 28.8%
    • Gemma 4 31B IT TEE: 36.4%Top

  • τ²-Bench Telecom

    Tool use in a customer-support simulation

    • GLM 4.6 Turbo: 76.9%Top
    • Gemma 4 31B IT TEE: 59.9%

  • AA-LCR (unversioned)

    Long-context reasoning, earlier grading

    • GLM 4.6 Turbo: 26.3%
    • Gemma 4 31B IT TEE: 69.7%Top

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

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-4.6-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-4.6-turbo",
    messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)

Z.ai

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