DeepSeek V4 Flash vs GPT-4o Search Preview (Comparative Analysis)
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Comparative Analysis: DeepSeek V4 Flash vs. GPT-4o Search Preview
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Overview
GPT-4o Search Preview was released 1 year before DeepSeek V4 Flash.
 DeepSeek V4 Flash |  GPT-4o Search Preview | |
|---|---|---|
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 | 128K tokens |
Output Token Limit Maximum output tokens this model can generate at once | Not specified tokens | 16.4K tokens |
Release Date When this model first became publicly available | April 24, 2026 2 months ago April 24th, 2026 | March 12, 2025 1 year ago March 12th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | Not reported | October 31, 2023 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
DeepSeek V4 Flash | GPT-4o Search Preview | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text |
Reasoning Controls Defaults and configurable reasoning effort | OptionalEffort: Extra High, HighDefault: High | 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 Mode✓Content Moderation |
Open Source Model availability | Available on HuggingFace → | Proprietary |
Pricing
DeepSeek V4 Flash is roughly 0.04x less expensive compared to GPT-4o Search Preview for input tokens and roughly 0.02x less expensive for output tokens.
| DeepSeek V4 Flash | GPT-4o Search Preview | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.10 per million tokens | $2.50 per million tokens |
Output Token Cost Cost per million output tokens | $0.20 per million tokens | $10.00 per million tokens |
Web Search Cost Additional cost for each web search operation | Not specified | $0.035 per search |
Cache Read Cost Cost to reuse cached input tokens | $0.02 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between DeepSeek V4 Flash and GPT-4o Search Preview.
| DeepSeek V4 Flash | GPT-4o Search Preview | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 40.3 (Artificial Analysis index; higher is better) | Benchmark not available. |
Coding Index Programming performance across independent evaluations | 56.2 (Artificial Analysis index; higher is better) | Benchmark not available. |
Agentic Index Ability to complete multi-step agentic tasks | 31.1 (Artificial Analysis index; higher is better) | Benchmark not available. |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,260 Elo (#32 in 3D (49.9% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes DeepSeek V4 Flash and GPT-4o Search Preview unique.
DeepSeek V4 Flash 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 $0.10/M input and $0.20/M output tokens. Released April 24th, 2026.GPT-4o Search Preview by OpenAI generates structured data. It can handle standard conversations with its 128K token context window. Reasonably priced at $2.50/M input and $10.00/M output tokens. Includes built-in content moderation for safer outputs. Released March 12th, 2025.Explore More Comparisons
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Compare GPT-4o Search Preview 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
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