Z.ai · Open weights
GLM 4.5V Thinking
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
GLM 4.5V Thinking compared
Specifications, prices, speed and benchmark scores next to each other. Benchmarks below show every compared model too.
| GLM 4.5V ThinkingZ.aiThis model | GLM 5.2 Thinking TEEZ.aiRemove | |
|---|---|---|
| Provider | Z.ai | Z.ai |
| Discovery tier | Open weights | Open weights |
| Added | Nov 22, 2025 | Jun 16, 2026 |
| Limits | ||
| Context window | 65.54K | 1.05MBest |
| Max output | 16.38K | 131.07KBest |
| Average output | 534 tokens | 2K tokens |
| Pricing, USD per 1M tokens | ||
| Input | $0.60Best | $1.40 |
| Output | $1.80Best | $4.40 |
| Cache read | — | $0.70 |
| Performance | ||
| Request success (24h) | — | 87.5% |
| Benchmark indexes | ||
| Intelligence Index | 7.6 | 33.7Best |
| Coding Index | — | 68.8 |
| Math Index | 73.0 | — |
| Capabilities | ||
| Reasoning | Yes | Yes |
| Tools | No | Yes |
| Vision | Yes | No |
| Structured output | No | Yes |
| Reasoning effort | — | low, medium, high, xhigh, max |
Public evaluations
Benchmarks
Independent evaluation results, with how each score ranks among the models in the Noumen catalog.
- GLM 4.5V Thinking
- GLM 5.2 Thinking TEE
Intelligence Index
- GLM 4.5V Thinking7.6
- GLM 5.2 Thinking TEE33.7
GLM 4.5V Thinking: Better than 11% of 326 scored models
Indexes
Coding Index
Composite of the coding evaluations
- GLM 4.5V Thinking: —
- GLM 5.2 Thinking TEE: 68.8
Math Index
Composite of the math evaluations
- GLM 4.5V Thinking: 73.0
- GLM 5.2 Thinking TEE: —
Agentic work
AutomationBench-AA
Workflow automation, penalized for guardrail violations
- GLM 4.5V Thinking: —
- GLM 5.2 Thinking TEE: 28.4%
AutomationBench-AA tasks completed
Workflows finished end to end without a guardrail violation
- GLM 4.5V Thinking: —
- GLM 5.2 Thinking TEE: 6.2%
AA-Briefcasev1.1
Agentic knowledge work, rated head to head
- GLM 4.5V Thinking: —
- GLM 5.2 Thinking TEE: 1,227 Elo
GDPval-AAv2.1
Economically valuable occupational tasks, rated head to head
- GLM 4.5V Thinking: —
- GLM 5.2 Thinking TEE: 1,373 Elo
Document reasoning
GDP.pdf
Professional reasoning over PDF documents, all-pass rate
- GLM 4.5V Thinking: —
- GLM 5.2 Thinking TEE: 10.4%
AA-LCRv1.1
Reasoning across long documents
- GLM 4.5V Thinking: 0.0%
- GLM 5.2 Thinking TEE: 78.3%Top
MLCR-AA
Long-context reasoning over medical records
- GLM 4.5V Thinking: —
- GLM 5.2 Thinking TEE: 12.8%
Reasoning and knowledge
Humanity’s Last Exam
Expert-level questions across academic fields
- GLM 4.5V Thinking: 6.3%
- GLM 5.2 Thinking TEE: 41.1%Top
GPQA Diamond
Graduate-level science questions
- GLM 4.5V Thinking: 68.4%
- GLM 5.2 Thinking TEE: 89.5%Top
MMLU-Pro
Multi-subject knowledge and reasoning
- GLM 4.5V Thinking: 78.8%
- GLM 5.2 Thinking TEE: —
IFBench
Following precise output instructions
- GLM 4.5V Thinking: 34.2%
- GLM 5.2 Thinking TEE: 73.3%Top
Coding
Terminal-Benchv4.0
Practical software engineering in a terminal
- GLM 4.5V Thinking: —
- GLM 5.2 Thinking TEE: 1.0%
SciCode
Scientific computing in Python
- GLM 4.5V Thinking: —
- GLM 5.2 Thinking TEE: 51.2%
LiveCodeBench
Recent competitive programming problems
- GLM 4.5V Thinking: 60.4%
- GLM 5.2 Thinking TEE: —
Math
AIME 2025
Competition mathematics, 2025 problems
- GLM 4.5V Thinking: 73.0%
- GLM 5.2 Thinking TEE: —
Legacy evaluations
Terminal-Bench Hard
Earlier terminal task suite
- GLM 4.5V Thinking: 5.3%
- GLM 5.2 Thinking TEE: 50.8%Top
τ²-Bench Telecom
Tool use in a customer-support simulation
- GLM 4.5V Thinking: 22.5%
- GLM 5.2 Thinking TEE: 99.1%Top
AA-LCR (unversioned)
Long-context reasoning, earlier grading
- GLM 4.5V Thinking: 0.0%
- GLM 5.2 Thinking TEE: 78.3%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.
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
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