DeepSeek V3.1 Terminus vs GPT-4 (Comparative Analysis)
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Comparative Analysis: DeepSeek V3.1 Terminus vs. GPT-4
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Overview
GPT-4 was released 2 years before DeepSeek V3.1 Terminus.
 DeepSeek V3.1 Terminus |  GPT-4 | |
|---|---|---|
Model Provider The organization behind this AI's development | DeepSeek | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 163.8K tokens | 8.2K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 32.8K tokens | 4.1K tokens |
Release Date When this model first became publicly available | September 22, 2025 10 months ago September 22nd, 2025 | May 28, 2023 3 years ago May 28th, 2023 |
Knowledge Cutoff Latest training-data date reported by the provider | March 31, 2025 | September 30, 2021 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
DeepSeek V3.1 Terminus | GPT-4 | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text |
Reasoning Controls Defaults and configurable reasoning effort | Optional | Not reported |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | DeepSeek | GPT |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation | ✓Function Calling✓Structured OutputReasoning ModeContent Moderation |
Open Source Model availability | Available on HuggingFace → | Proprietary |
Pricing
DeepSeek V3.1 Terminus is significantly less expensive compared to GPT-4 for input tokens and roughly 0.02x less expensive for output tokens.
| DeepSeek V3.1 Terminus | GPT-4 | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.27 per million tokens | $30.00 per million tokens |
Output Token Cost Cost per million output tokens | $1.00 per million tokens | $60.00 per million tokens |
Cache Read Cost Cost to reuse cached input tokens | $0.14 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between DeepSeek V3.1 Terminus and GPT-4.
| DeepSeek V3.1 Terminus | GPT-4 | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 30.4 (Artificial Analysis index; higher is better) | Benchmark not available. |
Coding Index Programming performance across independent evaluations | 43.5 (Artificial Analysis index; higher is better) | 13.1 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | 18.1 (Artificial Analysis index; higher is better) | Benchmark not available. |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,218 Elo (#42 in UI Component (59.3% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes DeepSeek V3.1 Terminus and GPT-4 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 $1.00/M output tokens. Released September 22nd, 2025.GPT-4 by OpenAI can use external tools and APIs, generates structured data. It can handle standard conversations with its 8.2K token context window. Premium pricing at $30.00/M input and $60.00/M output tokens. Released May 28th, 2023.Explore More Comparisons
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