GPT-5.4 Nano vs DeepSeek Reasoner
Side-by-side comparison of pricing and capabilities
GPT-5.4 Nano
DeepSeek Reasoner
Input Price Comparison
| Attribute | GPT-5.4 Nano | DeepSeek Reasoner |
|---|---|---|
| Provider | OpenAI | DeepSeek |
| Input Price | $0.2 /1M tokens | $0.55 /1M tokens |
| Output Price | $1.25 /1M tokens | $2.19 /1M tokens |
| Cached Input | $0.020 /1M tokens | $0.055 /1M tokens |
| Context Window | 272K | 128K |
| Type | chat | reasoning |
| Status | current | current |
Capability Comparison
| Capability | GPT-5.4 Nano | DeepSeek Reasoner |
|---|---|---|
| multilingual | ||
| reasoning | ||
| coding |
Which should you choose?
Budget-conscious: GPT-5.4 Nano is 64% cheaper on input tokens ($0.2 vs $0.55 per 1M tokens).
Context-heavy tasks: GPT-5.4 Nano offers a larger context window (272K vs 128K), making it better for long documents or conversations.
Capability fit: GPT-5.4 Nano supports 1 capabilities (multilingual), while DeepSeek Reasoner supports 2 (reasoning, coding).
Frequently Asked Questions
Which is cheaper: GPT-5.4 Nano or DeepSeek Reasoner?
GPT-5.4 Nano costs $0.2/1M input vs DeepSeek Reasoner at $0.55/1M input. GPT-5.4 Nano is 64% cheaper on input tokens.
How do output prices compare between GPT-5.4 Nano and DeepSeek Reasoner?
GPT-5.4 Nano output: $1.25/1M, DeepSeek Reasoner output: $2.19/1M. GPT-5.4 Nano is more economical for generation-heavy workloads.
What is GPT-5.4 Nano best used for?
GPT-5.4 Nano is best for budget-conscious applications, high-volume chatbots, and tasks where cost efficiency is the primary concern.
What is DeepSeek Reasoner best used for?
DeepSeek Reasoner is suited for complex reasoning, analysis, and tasks that benefit from its reasoning and coding capabilities.