GLM 4.5V vs GPT-5 Chat (Comparative Analysis)
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Comparative Analysis: GLM 4.5V vs. GPT-5 Chat
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Overview
GPT-5 Chat was released 4 days before GLM 4.5V.
 GLM 4.5V |  GPT-5 Chat | |
|---|---|---|
Model Provider The organization behind this AI's development | Z.AI | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 65.5K tokens | 128K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 16.4K tokens | 16.4K tokens |
Release Date When this model first became publicly available | August 11, 2025 11 months ago August 11th, 2025 | August 7, 2025 11 months ago August 7th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | December 31, 2024 | September 30, 2024 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GLM 4.5V | GPT-5 Chat | |
|---|---|---|
Input Types Supported input formats | 📝Text🖼️Image | 📁File🖼️Image📝Text |
Reasoning Controls Defaults and configurable reasoning effort | Optional | Not reported |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | Other | GPT |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation | Function Calling✓Structured OutputReasoning Mode✓Content Moderation |
Open Source Model availability | Available on HuggingFace → | Proprietary |
Pricing
GLM 4.5V is roughly 0.5x less expensive compared to GPT-5 Chat for input tokens and roughly 0.2x less expensive for output tokens.
| GLM 4.5V | GPT-5 Chat | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.60 per million tokens | $1.25 per million tokens |
Output Token Cost Cost per million output tokens | $1.80 per million tokens | $10.00 per million tokens |
Web Search Cost Additional cost for each web search operation | Not specified | $0.01 per search |
Cache Read Cost Cost to reuse cached input tokens | $0.11 per million tokens | $0.13 per million tokens |
At a Glance
Quick overview of what makes GLM 4.5V and GPT-5 Chat unique.
GLM 4.5V by Z.AI understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 65.5K token context window. Reasonably priced at $0.60/M input and $1.80/M output tokens. Released August 11th, 2025.GPT-5 Chat by OpenAI understands both text and images, generates structured data. It can handle standard conversations with its 128K token context window. Reasonably priced at $1.25/M input and $10.00/M output tokens. Includes built-in content moderation for safer outputs. Released August 7th, 2025.Explore More Comparisons
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🔬Science
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