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GLM 4.6V Original

Added Dec 8, 2025Open weights

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Use in the app

GLM-4.6V scales its context window to 128k tokens in training, and achieves SoTA performance in visual understanding among models of similar parameter scales. Integrates native Function Calling capabilities, bridging 'visual perception' and 'executable action' for multimodal agents. Direct via Z-AI (Zhipu).

  • Vision
Input
Text, Images
Output
Text
Discovery tier
Open weights

Pricing

USD per 1M tokens
Input
$0.60
Output
$0.90

Reference prices as published by the model provider. API example

Specifications

Context window
128K
Max output
24K
Average output (7 days)
258 tokens
Longer than 27% of 468 models

Side by side

GLM 4.6V Original compared

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

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GLM 4.6V OriginalZ.aiThis modelGPT-4oOpenAIRemove
ProviderZ.aiOpenAI
Discovery tierOpen weightsFrontier
AddedDec 8, 2025May 13, 2025
Limits
Context window128K128K
Max output24KBest16.38K
Average output258 tokens101 tokens
Pricing, USD per 1M tokens
Input$0.60Best$2.50
Output$0.90Best$10.00
Cache read—$1.25
Performance
Throughput—69.2 tok/s
Time to first token—1.4 s
Request success (24h)—100.0%
Benchmark indexes
Intelligence Index8.48.4
Math Index26.3Best6.0
Capabilities
ToolsNoYes
VisionYesYes
Reasoning effort——

Public evaluations

Benchmarks

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

  • GLM 4.6V Original
  • GPT-4o

Intelligence Index

  • GLM 4.6V Original8.4
  • GPT-4o8.4

GLM 4.6V Original: Better than 13% of 326 scored models

3.8Catalog models by score55.1

Indexes

  • Math Index

    Composite of the math evaluations

    • GLM 4.6V Original: 26.3Top
    • GPT-4o: 6.0

Document reasoning

  • AA-LCRv1.1

    Reasoning across long documents

    • GLM 4.6V Original: 17.0%
    • GPT-4o: 49.3%Top

Reasoning and knowledge

  • Humanity’s Last Exam

    Expert-level questions across academic fields

    • GLM 4.6V Original: 3.7%Top
    • GPT-4o: 2.4%

  • GPQA Diamond

    Graduate-level science questions

    • GLM 4.6V Original: 56.6%Top
    • GPT-4o: 54.3%

  • MMLU-Pro

    Multi-subject knowledge and reasoning

    • GLM 4.6V Original: 75.2%Top
    • GPT-4o: 74.8%

  • IFBench

    Following precise output instructions

    • GLM 4.6V Original: 27.9%
    • GPT-4o: 34.3%Top

Coding

  • LiveCodeBench

    Recent competitive programming problems

    • GLM 4.6V Original: 41.1%Top
    • GPT-4o: 30.9%

Math

  • AIME 2025

    Competition mathematics, 2025 problems

    • GLM 4.6V Original: 26.3%Top
    • GPT-4o: 6.0%

  • AIME

    Competition mathematics

    • GLM 4.6V Original: —
    • GPT-4o: 15.0%

  • MATH-500

    Competition math problems

    • GLM 4.6V Original: —
    • GPT-4o: 75.9%

Legacy evaluations

  • Terminal-Bench Hard

    Earlier terminal task suite

    • GLM 4.6V Original: 3.0%
    • GPT-4o: 8.3%Top

  • τ²-Bench Telecom

    Tool use in a customer-support simulation

    • GLM 4.6V Original: 30.7%Top
    • GPT-4o: 25.1%

  • AA-LCR (unversioned)

    Long-context reasoning, earlier grading

    • GLM 4.6V Original: 17.0%
    • GPT-4o: 49.3%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-4.6v-original",
    "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-4.6v-original",
    messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)

Z.ai

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