 GLM 4.6 |  GPT-4o (extended) | |
|---|---|---|
Model Provider The organization behind this AI's development | Z.AI | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 202.8K tokens | 128K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 202.8K tokens | 64K tokens |
Release Date When this model first became publicly available | September 30, 2025 1 month ago September 30th, 2025 | May 13, 2024 1 year ago May 13th, 2024 |
GLM 4.6 | GPT-4o (extended) | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text🖼️Image📁File |
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 |
| GLM 4.6 | GPT-4o (extended) | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.40 per million tokens | $6.00 per million tokens |
Output Token Cost Cost per million outut tokens | $1.75 per million tokens | $18.00 per million tokens |
| GLM 4.6 | GPT-4o (extended) | |
|---|---|---|
MMLU Measures knowledge across 57 subjects like law, math, history, and science | Benchmark not available. | Benchmark not available. |
MMMU Measures understanding of combined text and images across various domains | Benchmark not available. | Benchmark not available. |
HellaSwag Measures common sense reasoning by having models complete sentences about everyday situations | Benchmark not available. | Benchmark not available. |
GLM 4.6 by Z.AI can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 202.8K token context window. Very affordable at $0.40/M input and $1.75/M output tokens. Released September 30th, 2025.GPT-4o (extended) by OpenAI understands both text and images, can use external tools and APIs, generates structured data. It can handle standard conversations with its 128K token context window. Premium pricing at $6.00/M input and $18.00/M output tokens. Includes built-in content moderation for safer outputs. Released May 13th, 2024.Compare your models with top performers across different categories
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