GLM 4.6 vs GPT-4 Turbo (Comparative Analysis)
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Comparative Analysis: GLM 4.6 vs. GPT-4 Turbo
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Overview
GPT-4 Turbo was released 1 year before GLM 4.6.
 GLM 4.6 |  GPT-4 Turbo | |
|---|---|---|
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 | 131.1K tokens | 4.1K tokens |
Release Date When this model first became publicly available | September 30, 2025 9 months ago September 30th, 2025 | April 9, 2024 2 years ago April 9th, 2024 |
Knowledge Cutoff Latest training-data date reported by the provider | March 31, 2025 | December 31, 2023 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GLM 4.6 | GPT-4 Turbo | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text🖼️Image |
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 4.6 is roughly 0.05x less expensive compared to GPT-4 Turbo for input tokens and roughly 0.07x less expensive for output tokens.
| GLM 4.6 | GPT-4 Turbo | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.50 per million tokens | $10.00 per million tokens |
Output Token Cost Cost per million output tokens | $2.00 per million tokens | $30.00 per million tokens |
Cache Read Cost Cost to reuse cached input tokens | $0.10 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between GLM 4.6 and GPT-4 Turbo.
| GLM 4.6 | GPT-4 Turbo | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 28.7 (Artificial Analysis index; higher is better) | Benchmark not available. |
Coding Index Programming performance across independent evaluations | 45.8 (Artificial Analysis index; higher is better) | 21.5 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | 17.7 (Artificial Analysis index; higher is better) | Benchmark not available. |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,208 Elo (#44 in Game Dev (54.6% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes GLM 4.6 and GPT-4 Turbo unique.
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. Reasonably priced at $0.50/M input and $2.00/M output tokens. Released September 30th, 2025.GPT-4 Turbo 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 $10.00/M input and $30.00/M output tokens. Includes built-in content moderation for safer outputs. Released April 9th, 2024.Explore More Comparisons
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Compare GPT-4 Turbo with:
🚀Programming
Best models for coding and development
🎨Creative & Roleplay
Models optimized for creative writing
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💻Technology
Technical analysis and explanations
🔬Science
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