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 | Hermes 4 Large (Thinking)nousresearchRemove | |
|---|---|---|
| Provider | Z.ai | nousresearch |
| Discovery tier | Open weights | Open weights |
| Added | Nov 22, 2025 | Jan 1, 2024 |
| Limits | ||
| Context window | 65.54K | 128KBest |
| Max output | 16.38KBest | 8.19K |
| Average output | 534 tokens | 1K tokens |
| Pricing, USD per 1M tokens | ||
| Input | $0.60 | $0.30Best |
| Output | $1.80 | $1.20Best |
| Performance | ||
| Request success (24h) | — | 100.0% |
| Benchmark indexes | ||
| Intelligence Index | 7.6Best | 7.5 |
| Math Index | 73.0Best | 69.7 |
| Capabilities | ||
| Reasoning | Yes | No |
| Vision | Yes | No |
| Structured output | No | Yes |
| Reasoning effort | — | — |
Public evaluations
Benchmarks
Independent evaluation results, with how each score ranks among the models in the Noumen catalog.
- GLM 4.5V Thinking
- Hermes 4 Large (Thinking)
Intelligence Index
- GLM 4.5V Thinking7.6
- Hermes 4 Large (Thinking)7.5
GLM 4.5V Thinking: Better than 11% of 326 scored models
Indexes
Math Index
Composite of the math evaluations
- GLM 4.5V Thinking: 73.0Top
- Hermes 4 Large (Thinking): 69.7
Document reasoning
AA-LCRv1.1
Reasoning across long documents
- GLM 4.5V Thinking: 0.0%
- Hermes 4 Large (Thinking): 22.3%Top
Reasoning and knowledge
Humanity’s Last Exam
Expert-level questions across academic fields
- GLM 4.5V Thinking: 6.3%
- Hermes 4 Large (Thinking): 10.9%Top
GPQA Diamond
Graduate-level science questions
- GLM 4.5V Thinking: 68.4%
- Hermes 4 Large (Thinking): 72.7%Top
MMLU-Pro
Multi-subject knowledge and reasoning
- GLM 4.5V Thinking: 78.8%
- Hermes 4 Large (Thinking): 82.9%Top
IFBench
Following precise output instructions
- GLM 4.5V Thinking: 34.2%Top
- Hermes 4 Large (Thinking): 32.7%
Coding
LiveCodeBench
Recent competitive programming problems
- GLM 4.5V Thinking: 60.4%
- Hermes 4 Large (Thinking): 68.6%Top
Math
AIME 2025
Competition mathematics, 2025 problems
- GLM 4.5V Thinking: 73.0%Top
- Hermes 4 Large (Thinking): 69.7%
Legacy evaluations
Terminal-Bench Hard
Earlier terminal task suite
- GLM 4.5V Thinking: 5.3%
- Hermes 4 Large (Thinking): 11.4%Top
τ²-Bench Telecom
Tool use in a customer-support simulation
- GLM 4.5V Thinking: 22.5%Top
- Hermes 4 Large (Thinking): 22.2%
AA-LCR (unversioned)
Long-context reasoning, earlier grading
- GLM 4.5V Thinking: 0.0%
- Hermes 4 Large (Thinking): 22.3%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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