DeepSeek V4 Pro vs GPT-5.4 (Comparative Analysis)
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Comparative Analysis: DeepSeek V4 Pro vs. GPT-5.4
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Overview
GPT-5.4 was released 1 month before DeepSeek V4 Pro.
 DeepSeek V4 Pro |  GPT-5.4 | |
|---|---|---|
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 | 1.1M 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 2 months ago April 24th, 2026 | March 5, 2026 4 months ago March 5th, 2026 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
DeepSeek V4 Pro | GPT-5.4 | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text🖼️Image📁File |
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 Mode✓Content Moderation |
Open Source Model availability | Available on HuggingFace → | Proprietary |
Pricing
DeepSeek V4 Pro is roughly 0.2x less expensive compared to GPT-5.4 for input tokens and roughly 0.06x less expensive for output tokens.
| DeepSeek V4 Pro | GPT-5.4 | |
|---|---|---|
Short Context Pricing Base rates before a long-context threshold applies | ||
Input Token Cost Cost per million input tokens | $0.43 per million tokens | $2.50 per million tokens |
Output Token Cost Cost per million output tokens | $0.87 per million tokens | $15.00 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 | $0.25 per million tokens |
Long Context Pricing Rates for prompts with 272,000 or more tokens | ||
Input Token Cost Long-context input cost per million tokens | Not specified | $5.00 per million tokens |
Output Token Cost Long-context output cost per million tokens | Not specified | $22.50 per million tokens |
Cache Read Cost Long-context cache read cost per million tokens | Not specified | $0.50 per million tokens |
Benchmarks
Compare relevant benchmarks between DeepSeek V4 Pro and GPT-5.4.
| DeepSeek V4 Pro | GPT-5.4 | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 44.3 (Artificial Analysis index; higher is better) | 51.4 (Artificial Analysis index; higher is better) |
Coding Index Programming performance across independent evaluations | 59.4 (Artificial Analysis index; higher is better) | 71.1 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | 36.4 (Artificial Analysis index; higher is better) | 41.1 (Artificial Analysis index; higher is better) |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,323 Elo (#8 in 3D (59.5% win rate)) | 1,298 Elo (#17 in Game Dev (57.8% win rate)) |
At a Glance
Quick overview of what makes DeepSeek V4 Pro and GPT-5.4 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 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 1.1M token context window. Premium pricing at $2.50/M input and $15.00/M output tokens. Includes built-in content moderation for safer outputs. Released March 5th, 2026.Explore More Comparisons
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Compare GPT-5.4 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