DeepSeek V4 Pro vs GPT-5.4 Mini (Comparative Analysis)
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Comparative Analysis: DeepSeek V4 Pro vs. GPT-5.4 Mini
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Overview
GPT-5.4 Mini was released 1 month before DeepSeek V4 Pro.
 DeepSeek V4 Pro |  GPT-5.4 Mini | |
|---|---|---|
Model Provider The organization behind this AI's development | DeepSeek | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 1M tokens | 400K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 384K tokens | 128K tokens |
Release Date When this model first became publicly available | April 24, 2026 3 months ago April 24th, 2026 | March 17, 2026 4 months ago March 17th, 2026 |
Knowledge Cutoff Latest training-data date reported by the provider | Not reported | August 31, 2025 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
DeepSeek V4 Pro | GPT-5.4 Mini | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📁File🖼️Image📝Text |
Reasoning Controls Defaults and configurable reasoning effort | OptionalEffort: Extra High, HighDefault: High | OptionalEffort: Extra High, High, Medium, Low, NoneDefault: Medium |
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 Output✓Reasoning ModeContent Moderation |
Open Source Model availability | Available on HuggingFace → | Proprietary |
Pricing
DeepSeek V4 Pro is roughly 0.6x less expensive compared to GPT-5.4 Mini for input tokens and roughly 0.2x less expensive for output tokens.
| DeepSeek V4 Pro | GPT-5.4 Mini | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.43 per million tokens | $0.75 per million tokens |
Output Token Cost Cost per million output tokens | $0.87 per million tokens | $4.50 per million tokens |
Web Search Cost Additional cost for each web search operation | Not specified | $0.01 per search |
Cache Read Cost Cost to reuse cached input tokens | $0.0036 per million tokens | $0.07 per million tokens |
Benchmarks
Compare relevant benchmarks between DeepSeek V4 Pro and GPT-5.4 Mini.
| DeepSeek V4 Pro | GPT-5.4 Mini | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 44.3 (Artificial Analysis index; higher is better) | 40 (Artificial Analysis index; higher is better) |
Coding Index Programming performance across independent evaluations | 59.4 (Artificial Analysis index; higher is better) | 56.1 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | 36.4 (Artificial Analysis index; higher is better) | 30.2 (Artificial Analysis index; higher is better) |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,320 Elo (#9 in 3D (60.1% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes DeepSeek V4 Pro and GPT-5.4 Mini unique.
DeepSeek V4 Pro by DeepSeek 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 $0.43/M input and $0.87/M output tokens. Released April 24th, 2026.GPT-5.4 Mini by OpenAI understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 400K token context window. Reasonably priced at $0.75/M input and $4.50/M output tokens. Released March 17th, 2026.Explore More Comparisons
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Compare GPT-5.4 Mini with:
🚀Programming
Best models for coding and development
🎨Creative & Roleplay
Models optimized for creative writing
📢Marketing
Content creation and marketing tasks
💻Technology
Technical analysis and explanations
🔬Science
Scientific research and analysis
🌐Translation
Multilingual translation tasks