DeepSeek V3.1 Terminus vs GLM 5.2 (Comparative Analysis)
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Comparative Analysis: DeepSeek V3.1 Terminus vs. GLM 5.2
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Overview
DeepSeek V3.1 Terminus was released 8 months before GLM 5.2.
 DeepSeek V3.1 Terminus |  GLM 5.2 | |
|---|---|---|
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 | 1M tokens |
Output Token Limit Maximum output tokens this model can generate at once | 32.8K tokens | 1M tokens |
Release Date When this model first became publicly available | September 22, 2025 10 months ago September 22nd, 2025 | June 16, 2026 1 month ago June 16th, 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 Terminus | GLM 5.2 | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text |
Reasoning Controls Defaults and configurable reasoning effort | Optional | Enabled by defaultEffort: Extra High, HighDefault: High |
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 Terminus is roughly 0.6x less expensive compared to GLM 5.2 for input tokens and roughly 0.7x less expensive for output tokens.
| DeepSeek V3.1 Terminus | GLM 5.2 | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.27 per million tokens | $0.42 per million tokens |
Output Token Cost Cost per million output tokens | $0.95 per million tokens | $1.40 per million tokens |
Cache Read Cost Cost to reuse cached input tokens | $0.13 per million tokens | $0.07 per million tokens |
Benchmarks
Compare relevant benchmarks between DeepSeek V3.1 Terminus and GLM 5.2.
| DeepSeek V3.1 Terminus | GLM 5.2 | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | Benchmark not available. | 52.6 (Artificial Analysis index; higher is better) |
Coding Index Programming performance across independent evaluations | 43.5 (Artificial Analysis index; higher is better) | 68.8 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | Benchmark not available. | 45.7 (Artificial Analysis index; higher is better) |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,216 Elo (#43 in UI Component (59.5% win rate)) | 1,363 Elo (#4 in 3D (59.9% win rate)) |
At a Glance
Quick overview of what makes DeepSeek V3.1 Terminus and GLM 5.2 unique.
DeepSeek V3.1 Terminus 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 $0.27/M input and $0.95/M output tokens. Released September 22nd, 2025.GLM 5.2 by Z.AI can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Very affordable at $0.42/M input and $1.40/M output tokens. Released June 16th, 2026.Explore More Comparisons
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