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Z.ai · Open weights

GLM 4.5V Thinking

Added Nov 22, 2025Open weights

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Use in the app

Thinking-enabled GLM 4.5V that surfaces structured reasoning before its final answer. Great for image-grounded analysis, OCR, charts, and deliberate step-by-step responses.

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

Pricing

USD per 1M tokens
Input
$0.60
Output
$1.80

Reference prices as published by the model provider. API example

Specifications

Context window
65.5K
Max output
16.4K
Average output (7 days)
534 tokens
Longer than 50% of 468 models

Side by side

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TryHermes 4 Large (Thinking)Llama 3.3 70BQwen2.5 72BAll 3

Public evaluations

Benchmarks

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

Intelligence Index

7.6

Better than 11% of 326 scored models

3.8Catalog models by score55.1

Indexes

  • Math Index

    73.0

    Composite of the math evaluations

    Better than 66% of 118 scored models

Document reasoning

  • AA-LCRv1.1

    0.0%

    Reasoning across long documents

    Better than 0% of 309 scored models

Reasoning and knowledge

  • Humanity’s Last Exam

    6.3%

    Expert-level questions across academic fields

    Better than 21% of 323 scored models

  • GPQA Diamond

    68.4%

    Graduate-level science questions

    Better than 27% of 291 scored models

  • MMLU-Pro

    78.8%

    Multi-subject knowledge and reasoning

    Better than 43% of 132 scored models

  • IFBench

    34.2%

    Following precise output instructions

    Better than 13% of 215 scored models

Coding

  • LiveCodeBench

    60.4%

    Recent competitive programming problems

    Better than 59% of 129 scored models

Math

  • AIME 2025

    73.0%

    Competition mathematics, 2025 problems

    Better than 66% of 118 scored models

Legacy evaluations

  • Terminal-Bench Hard

    5.3%

    Earlier terminal task suite

    Better than 13% of 212 scored models

  • τ²-Bench Telecom

    22.5%

    Tool use in a customer-support simulation

    Better than 11% of 214 scored models

  • AA-LCR (unversioned)

    0.0%

    Long-context reasoning, earlier grading

    Better than 0% of 309 scored models

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-4.5v:thinking",
    "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-4.5v:thinking",
    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.