GPT-5 Nano vs DeepSeek-V4-Flash
Side-by-side comparison of pricing and capabilities
GPT-5 Nano
DeepSeek-V4-Flash
Input Price Comparison
| Attribute | GPT-5 Nano | DeepSeek-V4-Flash |
|---|---|---|
| Provider | OpenAI | DeepSeek |
| Input Price | $0.05 /1M tokens | $0.14 /1M tokens |
| Output Price | $0.4 /1M tokens | $0.28 /1M tokens |
| Cached Input | $0.0050 /1M tokens | $0.028 /1M tokens |
| Context Window | 400K | 128K |
| Type | chat | chat |
| Status | current | current |
Capability Comparison
| Capability | GPT-5 Nano | DeepSeek-V4-Flash |
|---|---|---|
| multilingual | ||
| coding | ||
| reasoning |
Which should you choose?
Budget-conscious: GPT-5 Nano is 64% cheaper on input tokens ($0.05 vs $0.14 per 1M tokens).
Context-heavy tasks: GPT-5 Nano offers a larger context window (400K vs 128K), making it better for long documents or conversations.
Capability fit: GPT-5 Nano supports 1 capabilities (multilingual), while DeepSeek-V4-Flash supports 3 (coding, reasoning, multilingual).
Frequently Asked Questions
Which is cheaper: GPT-5 Nano or DeepSeek-V4-Flash?
GPT-5 Nano costs $0.05/1M input vs DeepSeek-V4-Flash at $0.14/1M input. GPT-5 Nano is 64% cheaper on input tokens.
How do output prices compare between GPT-5 Nano and DeepSeek-V4-Flash?
GPT-5 Nano output: $0.4/1M, DeepSeek-V4-Flash output: $0.28/1M. DeepSeek-V4-Flash is more economical for generation-heavy workloads.
What is GPT-5 Nano best used for?
GPT-5 Nano is best for budget-conscious applications, high-volume chatbots, and tasks where cost efficiency is the primary concern.
What is DeepSeek-V4-Flash best used for?
DeepSeek-V4-Flash is suited for complex reasoning, analysis, and tasks that benefit from its coding and reasoning capabilities.