What is the difference between DeepSeek R1 and GPT-5 Pro?

DeepSeek R1 is developed by DeepSeek while GPT-5 Pro is developed by OpenAI. DeepSeek R1 has a 128K token context window vs GPT-5 Pro's 400K. You can compare their actual outputs across 41 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek R1 or GPT-5 Pro?

It depends on your use case. DeepSeek R1 and GPT-5 Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 41 challenges so you can judge which fits your needs best.

How much does DeepSeek R1 cost compared to GPT-5 Pro?

DeepSeek R1 costs $0.55/M input tokens and GPT-5 Pro costs $15/M input tokens. DeepSeek R1 is $14.45/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 Pro on Rival?

This page shows a side-by-side comparison of DeepSeek R1 and GPT-5 Pro 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 Pro?

DeepSeek R1 is developed by DeepSeek while GPT-5 Pro is developed by OpenAI. DeepSeek R1 has a 128K token context window vs GPT-5 Pro's 400K. You can compare their actual outputs across 41 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek R1 or GPT-5 Pro?

It depends on your use case. DeepSeek R1 and GPT-5 Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 41 challenges so you can judge which fits your needs best.

How much does DeepSeek R1 cost compared to GPT-5 Pro?

DeepSeek R1 costs $0.55/M input tokens and GPT-5 Pro costs $15/M input tokens. DeepSeek R1 is $14.45/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 Pro on Rival?

This page shows a side-by-side comparison of DeepSeek R1 and GPT-5 Pro 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 Oct 2025

DeepSeek R1vsGPT-5 Pro

DeepSeek R1 is cheaper than GPT-5 Pro at $0.55/M vs $15/M input tokens.

DeepSeek R1 and GPT-5 Pro compared across 41 shared prompts
Spec	DeepSeek R1	GPT-5 Pro
Input price	$0.55/M tokens	$15/M tokens
Output price	$2.19/M tokens	$120/M tokens
Context window	128K tokens	400K tokens
Released	Feb 2025	Oct 2025
SWE-bench Verified	49.2%	74.9%

Our Verdict

GPT-5 Pro

DeepSeek R1Runner-up

Not enough votes to call it. On the specs, GPT-5 Pro has the edge: bigger model tier, newer, bigger context window.

DeepSeek R1 costs 55x less per token.

Slight edge

What do DeepSeek R1 and GPT-5 Pro say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

DeepSeek R1

Input

$0.55

27× cheaper

Output

$2.19

55× cheaper

GPT-5 Pro

Input

$15.00

Output

$120.00

DeepSeek R1 is cheaper on both — 27× input, 55× output

Writing DNA

Style Comparison

Similarity

37%

DeepSeek R1 uses 800.0x more bold

DeepSeek R1

GPT-5 Pro

62%Vocabulary65%

15wSentence Length15w

0.52Hedging0.32

8.0Bold0.0

5.7Lists2.9

0.04Emoji0.00

0.62Headings0.00

0.28Transitions0.01

Based on 22 + 11 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

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GPT-5 Pro vs Claude Opus 4New provider

GPT-5 Pro vs Claude Opus 4.1New provider

DeepSeek R1 vs Mistral NemoNew provider

DeepSeek R1 vs Mistral Small 4New provider

DeepSeek R1 vs Mistral Small CreativeNew provider

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Updated Oct 2025

DeepSeek R1vsGPT-5 Pro

DeepSeek R1 is cheaper than GPT-5 Pro at $0.55/M vs $15/M input tokens.

DeepSeek R1 and GPT-5 Pro compared across 41 shared prompts
Spec	DeepSeek R1	GPT-5 Pro
Input price	$0.55/M tokens	$15/M tokens
Output price	$2.19/M tokens	$120/M tokens
Context window	128K tokens	400K tokens
Released	Feb 2025	Oct 2025
SWE-bench Verified	49.2%	74.9%

Our Verdict

GPT-5 Pro

DeepSeek R1Runner-up

Not enough votes to call it. On the specs, GPT-5 Pro has the edge: bigger model tier, newer, bigger context window.

DeepSeek R1 costs 55x less per token.

Slight edge

What do DeepSeek R1 and GPT-5 Pro say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

DeepSeek R1

Input

$0.55

27× cheaper

Output

$2.19

55× cheaper

GPT-5 Pro

Input

$15.00

Output

$120.00

DeepSeek R1 is cheaper on both — 27× input, 55× output

Writing DNA

Style Comparison

Similarity

37%

DeepSeek R1 uses 800.0x more bold

DeepSeek R1

GPT-5 Pro

62%Vocabulary65%

15wSentence Length15w

0.52Hedging0.32

8.0Bold0.0

5.7Lists2.9

0.04Emoji0.00

0.62Headings0.00

0.28Transitions0.01

Based on 22 + 11 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-5 Pro vs MiniMax M3New provider

GPT-5 Pro vs Ox AlphaNew provider

GPT-5 Pro vs Claude Opus 4New provider

GPT-5 Pro vs Claude Opus 4.1New provider

DeepSeek R1 vs Mistral NemoNew provider

DeepSeek R1 vs Mistral Small 4New provider

DeepSeek R1 vs Mistral Small CreativeNew provider

GPT-5 Pro vs Muse Spark 1.1New provider