DeepSeek V3.1 vs GLM 5 (Comparative Analysis)
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Comparative Analysis: DeepSeek V3.1 vs. GLM 5
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Overview
DeepSeek V3.1 was released 5 months before GLM 5.
 DeepSeek V3.1 |  GLM 5 | |
|---|---|---|
Model Provider The organization behind this AI's development | DeepSeek | Z.AI |
Input Context Window Maximum input tokens this model can process at once | 163.8K tokens | 204.8K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 32.8K tokens | 131.1K tokens |
Release Date When this model first became publicly available | August 21, 2025 11 months ago August 21st, 2025 | February 11, 2026 6 months ago February 11th, 2026 |
Knowledge Cutoff Latest training-data date reported by the provider | March 31, 2025 | Not reported |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
DeepSeek V3.1 | GLM 5 | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text |
Reasoning Controls Defaults and configurable reasoning effort | Optional | Enabled by default |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | DeepSeek | Other |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation |
Open Source Model availability | Available on HuggingFace → | Available on HuggingFace → |
Pricing
DeepSeek V3.1 is roughly 0.3x less expensive compared to GLM 5 for input tokens and roughly 0.4x less expensive for output tokens.
| DeepSeek V3.1 | GLM 5 | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.25 per million tokens | $0.95 per million tokens |
Output Token Cost Cost per million output tokens | $0.95 per million tokens | $2.55 per million tokens |
Cache Read Cost Cost to reuse cached input tokens | $0.13 per million tokens | $0.20 per million tokens |
Benchmarks
Compare relevant benchmarks between DeepSeek V3.1 and GLM 5.
| DeepSeek V3.1 | GLM 5 | |
|---|---|---|
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,145 Elo (#78 in Website (48.0% win rate)) | 1,283 Elo (#24 in 3D (56.3% win rate)) |
At a Glance
Quick overview of what makes DeepSeek V3.1 and GLM 5 unique.
DeepSeek V3.1 by DeepSeek can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 163.8K token context window. Very affordable at $0.25/M input and $0.95/M output tokens. Released August 21st, 2025.GLM 5 by Z.AI can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 204.8K token context window. Reasonably priced at $0.95/M input and $2.55/M output tokens. Released February 11th, 2026.Explore More Comparisons
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Compare GLM 5 with:
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