GLM 4.5
z-ai/glm-4.5
Z.ai: GLM 4.5 is a text‑only model from Z‑AI with a context length of 131 072 tokens. It supports tool usage, reasoning capabilities, and its weights are open. Pricing is $0.6 per M input tokens and $2.2 per M output tokens; the model was released on 2025‑07‑28.
- tool use
- structured outputs
- reasoning
- open-weight
At a glance
providerz-ai
releasedJul 28, 2025
context131K
input / M$0.60
Specifications
What the API gives you
- Context window
- 131K tokens
- Max output
- 98K tokens
- Input price
- $0.60 / 1M tokens
- Output price
- $2.20 / 1M tokens
- Cache read
- $0.11 / 1M tokens
- Modalities
- text → text
- Knowledge cutoff
- Dec 31, 2024
- Released
- Jul 28, 2025
Recommendation coverage
Where this model appears
Not currently included in a published recommendation. This means the available task-specific evidence did not support a ranking yet—not that the model was reviewed and rejected.
Measured evidence
Public benchmark record
- LMArena Text
- 1429 Elo2026-07-16
LMArena data licensed CC-BY-4.0. Aider (Apache-2.0) and SWE-bench (MIT) are open.
Open-weight model on Hugging Face.
Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.