DeepSeek: DeepSeek V3.1 vs OpenAI: GPT-5 Nano
Side-by-side comparison of DeepSeek: DeepSeek V3.1 and OpenAI: GPT-5 Nano. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
strong confidenceOpenAI: GPT-5 Nano leads overall
OpenAI: GPT-5 Nano leads in price and context window and capabilities and max output, making it the stronger choice for most workflows. DeepSeek: DeepSeek V3.1 remains a solid alternative depending on your specific needs.
Best for with DeepSeek: DeepSeek V3.1
Best for with OpenAI: GPT-5 Nano
Side-by-side
Technical specifications
| DeepSeek: DeepSeek V3.1 | OpenAI: GPT-5 Nano | |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Input price | $0.15/M | $0.05/M |
| Output price | $0.75/M | $0.40/M |
| Context window | 33K | 400K |
| Max output | 7K | 128K |
| Capabilities | Tool useReasoning | Tool useVisionReasoning |
| Released | Aug 21, 2025 | Aug 7, 2025 |
Scoring breakdown
How each dimension compares
Price
OpenAI: GPT-5 Nano leadsDeepSeek: DeepSeek V3.1
$0.75/M tokens
OpenAI: GPT-5 Nano
$0.40/M tokens
Context Window
OpenAI: GPT-5 Nano leadsDeepSeek: DeepSeek V3.1
33K tokens
OpenAI: GPT-5 Nano
400K tokens
Capabilities
OpenAI: GPT-5 Nano leadsDeepSeek: DeepSeek V3.1
2/4
OpenAI: GPT-5 Nano
3/4
Max Output
OpenAI: GPT-5 Nano leadsDeepSeek: DeepSeek V3.1
7K tokens
OpenAI: GPT-5 Nano
128K tokens
Recency
DeepSeek: DeepSeek V3.1
Aug 2025
OpenAI: GPT-5 Nano
Aug 2025
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