What is the difference between Claude Haiku 4.5 and DeepSeek R1?

Claude Haiku 4.5 is developed by Anthropic while DeepSeek R1 is developed by DeepSeek. Claude Haiku 4.5 has a 200K token context window vs DeepSeek R1's 128K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Haiku 4.5 or DeepSeek R1?

It depends on your use case. Claude Haiku 4.5 and DeepSeek R1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does Claude Haiku 4.5 cost compared to DeepSeek R1?

Claude Haiku 4.5 costs $1/M input tokens and DeepSeek R1 costs $0.55/M input tokens. DeepSeek R1 is $0.45/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 Claude Haiku 4.5 and DeepSeek R1 on Rival?

This page shows a side-by-side comparison of Claude Haiku 4.5 and DeepSeek R1 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 Claude Haiku 4.5 and DeepSeek R1?

Claude Haiku 4.5 is developed by Anthropic while DeepSeek R1 is developed by DeepSeek. Claude Haiku 4.5 has a 200K token context window vs DeepSeek R1's 128K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Haiku 4.5 or DeepSeek R1?

It depends on your use case. Claude Haiku 4.5 and DeepSeek R1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does Claude Haiku 4.5 cost compared to DeepSeek R1?

Claude Haiku 4.5 costs $1/M input tokens and DeepSeek R1 costs $0.55/M input tokens. DeepSeek R1 is $0.45/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 Claude Haiku 4.5 and DeepSeek R1 on Rival?

This page shows a side-by-side comparison of Claude Haiku 4.5 and DeepSeek R1 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.

Claude Haiku 4.5 vs DeepSeek R1: Which Is Better?

Updated Oct 2025

Our Verdict

Claude Haiku 4.5

DeepSeek R1Runner-up

No community votes yet. On paper, Claude Haiku 4.5 has the edge — newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

Claude Haiku 4.5

Input

$1.00

Output

$5.00

DeepSeek R1

Input

$0.55

1.8× cheaper

Output

$2.19

2.3× cheaper

DeepSeek R1 is cheaper on both — 1.8× input, 2.3× output

Writing DNA

Style Comparison

Similarity

49%

Claude Haiku 4.5 uses 4.7x more emoji

Claude Haiku 4.5

DeepSeek R1

61%Vocabulary62%

47wSentence Length15w

0.64Hedging0.52

5.1Bold8.0

6.3Lists5.7

0.20Emoji0.04

2.46Headings0.62

0.17Transitions0.28

Based on 24 + 22 text responses

Research

What we learned reading every model

Claude Haiku 4.5 and DeepSeek R1 have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

DeepSeek R1 vs MiniMax M3New provider

Claude Haiku 4.5 vs xAI: Grok 4New provider

DeepSeek R1 vs GPT OSS 20BNew provider

Updated Oct 2025

Our Verdict

Claude Haiku 4.5

DeepSeek R1Runner-up

No community votes yet. On paper, Claude Haiku 4.5 has the edge — newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

Claude Haiku 4.5

Input

$1.00

Output

$5.00

DeepSeek R1

Input

$0.55

1.8× cheaper

Output

$2.19

2.3× cheaper

DeepSeek R1 is cheaper on both — 1.8× input, 2.3× output

Writing DNA

Style Comparison

Similarity

49%

Claude Haiku 4.5 uses 4.7x more emoji

Claude Haiku 4.5

DeepSeek R1

61%Vocabulary62%

47wSentence Length15w

0.64Hedging0.52

5.1Bold8.0

6.3Lists5.7

0.20Emoji0.04

2.46Headings0.62

0.17Transitions0.28

Based on 24 + 22 text responses

Research

What we learned reading every model

Claude Haiku 4.5 and DeepSeek R1 have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

DeepSeek R1 vs MiniMax M3New provider

Claude Haiku 4.5 vs xAI: Grok 4New provider

DeepSeek R1 vs GPT OSS 20BNew provider