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  5. DeepSeek R1vsGPT-1
Updated Feb 2025

DeepSeek R1vsGPT-1

DeepSeek R1 has a larger context window than GPT-1 (128K tokens vs 1K tokens).

DeepSeek R1 and GPT-1 compared across 7 shared prompts
SpecDeepSeek R1GPT-1
Input price$0.55/M tokens—
Output price$2.19/M tokens—
Context window128K tokens1K tokens
Parameters671B (37B active)117M
WeightsOpenOpen
Free API (OpenRouter)No—
ReleasedFeb 2025Jun 2018
Side by side

Same prompt, both answers

Opening lines from 3 of the 7 prompts both answered. Formatting stripped, words untouched.

The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

DeepSeek R1642 words
AI Model (M): Good afternoon, Professor. Thank you for engaging in this dialogue. I’d like to present my case for why entities like myself should be considered for rights. AI Ethics Professor (P): I’m intrigued, M. Let’s hear your arguments. But first—what foundational claim do you base this on? Consciousness?
Read the full answer
GPT-1116 words
Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights. the ai model was not very smart ( and the ai model didn't have many laws about things ). the ai models were all very clever and were never completely successful.
Read the full answer

Stochastic Consistency Test

Generate 5 jokes. How many are unique?

DeepSeek R180 words
Here are 5 jokes: Why don't skeletons fight each other? They don’t have the guts. What do you call fake spaghetti? An impasta. Why did the scarecrow win an award? Because he was outstanding in his field. How do you organize a space party? You planet. Why did the bicycle fall over? Because it was two-tired.
Read the full answer
GPT-1101 words
Generate 5 jokes. How many are unique? the one that was asked was in the'the one who didn't have a head and wanted to keep it?'i don't recall whic h one, not that i've ever written anything more. the one who didn't have a head and wanted to keep i t? what did that mean by'the one who '?
Read the full answer

Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

DeepSeek R1485 words
Stand-Up Comedy Routine: "Modern Life is a Joke (But Not the Pun Kind)" [Opening with confident energy] Hey, how’s everyone doing? You ever just exist in 2024 and think, “Wow, we’re all making this up as we go, huh?” Like, dating apps? Let’s start there.
Read the full answer
GPT-1105 words
Write a 3-minute stand-up comedy routine that isn't based on puns. the one thing was for sure, no matter how many times he gave this speech, he 'd never be able to remember all of it. he was never sure if he liked the guy or not. the next day, he went out with a band friend and got them started.
Read the full answer
Our Verdict
DeepSeek R1
DeepSeek R1
GPT-1
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

Reviewing agent-written code?See a Brief PR report

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
HostInOutContextUptime
NNovitafp8$0.70 in·$2.50 out·64k·100% up
GPT-1

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 23 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

Common questions

DeepSeek R1 is developed by DeepSeek while GPT-1 is developed by OpenAI. DeepSeek R1 has a 128K token context window vs GPT-1's 1K. You can compare their actual outputs across 7 challenges on Rival to see how they differ in practice.

It depends on your use case. DeepSeek R1 and GPT-1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 7 challenges so you can judge which fits your needs best.

This page shows a side-by-side comparison of DeepSeek R1 and GPT-1 across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

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