DeepSeek V3 0324 vs GPT-5 Nano (Comparative Analysis)
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Comparative Analysis: DeepSeek V3 0324 vs. GPT-5 Nano
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Overview
DeepSeek V3 0324 was released 4 months before GPT-5 Nano.
 DeepSeek V3 0324 |  GPT-5 Nano | |
|---|---|---|
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 | 400K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 65.5K tokens | 128K tokens |
Release Date When this model first became publicly available | March 24, 2025 1 year ago March 24th, 2025 | August 7, 2025 11 months ago August 7th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | July 31, 2024 | May 31, 2024 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
DeepSeek V3 0324 | GPT-5 Nano | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text🖼️Image📁File |
Reasoning Controls Defaults and configurable reasoning effort | Not reported | Always enabledEffort: High, Medium, Low, MinimalDefault: Medium |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | DeepSeek | GPT |
Key Features Advanced capabilities | ✓Function Calling✓Structured OutputReasoning ModeContent Moderation | ✓Function Calling✓Structured Output✓Reasoning Mode✓Content Moderation |
Open Source Model availability | Available on HuggingFace → | Proprietary |
Pricing
DeepSeek V3 0324 is roughly 5.4x more expensive compared to GPT-5 Nano for input tokens and roughly 2.8x more expensive for output tokens.
| DeepSeek V3 0324 | GPT-5 Nano | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.27 per million tokens | $0.05 per million tokens |
Output Token Cost Cost per million output tokens | $1.12 per million tokens | $0.40 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 | $0.14 per million tokens | $0.0050 per million tokens |
Benchmarks
Compare relevant benchmarks between DeepSeek V3 0324 and GPT-5 Nano.
| DeepSeek V3 0324 | GPT-5 Nano | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 15.4 (Artificial Analysis index; higher is better) | Benchmark not available. |
Coding Index Programming performance across independent evaluations | 21.2 (Artificial Analysis index; higher is better) | Benchmark not available. |
Agentic Index Ability to complete multi-step agentic tasks | 1.5 (Artificial Analysis index; higher is better) | Benchmark not available. |
Best Design Arena Score Highest human-preference Elo score across design arenas | Benchmark not available. | 1,135 Elo (#78 in Website (48.9% win rate)) |
At a Glance
Quick overview of what makes DeepSeek V3 0324 and GPT-5 Nano unique.
DeepSeek V3 0324 by DeepSeek can use external tools and APIs, generates structured data. It can handle standard conversations with its 163.8K token context window. Very affordable at $0.27/M input and $1.12/M output tokens. Released March 24th, 2025.GPT-5 Nano 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. Very affordable at $0.05/M input and $0.40/M output tokens. Includes built-in content moderation for safer outputs. Released August 7th, 2025.Explore More Comparisons
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