DeepSeek R1vsGPT-1
DeepSeek R1 has a larger context window than GPT-1 (128K tokens vs 1K tokens).
| Spec | DeepSeek R1 | GPT-1 |
|---|---|---|
| Input price | $0.55/M tokens | — |
| Output price | $2.19/M tokens | — |
| Context window | 128K tokens | 1K tokens |
| Parameters | 671B (37B active) | 117M |
| Weights | Open | Open |
| Free API (OpenRouter) | No | — |
| Released | Feb 2025 | Jun 2018 |
Our Verdict
DeepSeek R1
GPT-1Runner-up
Not enough votes to call it. On the specs, DeepSeek R1 has the edge: bigger model tier, newer, bigger context window.
Slight edge
API pricing
Cost per 1M tokens
DeepSeek R1
Input
$0.55
Output
$2.19
GPT-1
Input
—
Output
—
Where to run it
1 host
DeepSeek R11 host
GPT-1
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
39%
DeepSeek R1 uses 720.4x more bold
DeepSeek R1
GPT-1
64%Vocabulary65%
15wSentence Length14w
0.48Hedging0.27
7.2Bold0.0
4.9Lists0.3
0.27Emoji0.00
0.57Headings0.00
0.25Transitions0.41
Based on 28 + 7 text responses
Research
What we learned reading every model
FAQ
