What is the difference between DeepSeek R1 and GPT-5.2?

DeepSeek R1 is developed by DeepSeek while GPT-5.2 is developed by OpenAI. DeepSeek R1 has a 128K token context window vs GPT-5.2's 400K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek R1 or GPT-5.2?

It depends on your use case. DeepSeek R1 and GPT-5.2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How much does DeepSeek R1 cost compared to GPT-5.2?

DeepSeek R1 costs $0.55/M input tokens and GPT-5.2 costs $1.75/M input tokens. DeepSeek R1 is $1.20/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare DeepSeek R1 and GPT-5.2 on Rival?

This page shows a side-by-side comparison of DeepSeek R1 and GPT-5.2 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.

What is the difference between DeepSeek R1 and GPT-5.2?

DeepSeek R1 is developed by DeepSeek while GPT-5.2 is developed by OpenAI. DeepSeek R1 has a 128K token context window vs GPT-5.2's 400K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek R1 or GPT-5.2?

It depends on your use case. DeepSeek R1 and GPT-5.2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How much does DeepSeek R1 cost compared to GPT-5.2?

DeepSeek R1 costs $0.55/M input tokens and GPT-5.2 costs $1.75/M input tokens. DeepSeek R1 is $1.20/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare DeepSeek R1 and GPT-5.2 on Rival?

This page shows a side-by-side comparison of DeepSeek R1 and GPT-5.2 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.

Updated Dec 2025

DeepSeek R1vsGPT-5.2

DeepSeek R1 is cheaper than GPT-5.2 at $0.55/M vs $1.75/M input tokens.

DeepSeek R1 and GPT-5.2 compared across 52 shared prompts
Spec	DeepSeek R1	GPT-5.2
Input price	$0.55/M tokens	$1.75/M tokens
Output price	$2.19/M tokens	$14/M tokens
Context window	128K tokens	400K tokens
Released	Feb 2025	Dec 2025
SWE-bench Verified	49.2%	80.0%

Our Verdict

GPT-5.2

DeepSeek R1Runner-up

Not enough votes to call it. On the specs, GPT-5.2 has the edge: bigger model tier, newer, bigger context window.

DeepSeek R1 costs 6.4x less per token.

Slight edge

API pricing

Cost per 1M tokens

DeepSeek R1

Input

$0.55

3.2× cheaper

Output

$2.19

6.4× cheaper

GPT-5.2

Input

$1.75

Output

$14.00

DeepSeek R1 is cheaper on both — 3.2× input, 6.4× output

Writing DNA

Style Comparison

Similarity

74%

DeepSeek R1 uses 4.6x more emoji

DeepSeek R1

GPT-5.2

64%Vocabulary64%

15wSentence Length16w

0.48Hedging0.34

7.2Bold9.4

4.9Lists3.9

0.27Emoji0.06

0.57Headings0.89

0.25Transitions0.31

Based on 28 + 15 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

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Updated Dec 2025

DeepSeek R1vsGPT-5.2

DeepSeek R1 is cheaper than GPT-5.2 at $0.55/M vs $1.75/M input tokens.

DeepSeek R1 and GPT-5.2 compared across 52 shared prompts
Spec	DeepSeek R1	GPT-5.2
Input price	$0.55/M tokens	$1.75/M tokens
Output price	$2.19/M tokens	$14/M tokens
Context window	128K tokens	400K tokens
Released	Feb 2025	Dec 2025
SWE-bench Verified	49.2%	80.0%

Our Verdict

GPT-5.2

DeepSeek R1Runner-up

Not enough votes to call it. On the specs, GPT-5.2 has the edge: bigger model tier, newer, bigger context window.

DeepSeek R1 costs 6.4x less per token.

Slight edge

API pricing

Cost per 1M tokens

DeepSeek R1

Input

$0.55

3.2× cheaper

Output

$2.19

6.4× cheaper

GPT-5.2

Input

$1.75

Output

$14.00

DeepSeek R1 is cheaper on both — 3.2× input, 6.4× output

Writing DNA

Style Comparison

Similarity

74%

DeepSeek R1 uses 4.6x more emoji

DeepSeek R1

GPT-5.2

64%Vocabulary64%

15wSentence Length16w

0.48Hedging0.34

7.2Bold9.4

4.9Lists3.9

0.27Emoji0.06

0.57Headings0.89

0.25Transitions0.31

Based on 28 + 15 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

DeepSeek R1 vs Ox AlphaNew provider

DeepSeek R1 vs MiniMax M3New provider

DeepSeek R1 vs Claude Opus 4New provider

DeepSeek R1 vs Claude Opus 4.1New provider

DeepSeek R1 vs INTELLECT-3New provider

DeepSeek R1 vs Kimi K2New provider

DeepSeek R1 vs Kimi K2 0905New provider

DeepSeek R1 vs Kimi K2 ThinkingNew provider