What is the difference between Claude 3 Haiku and DeepSeek V4 Pro?

Claude 3 Haiku is developed by Anthropic while DeepSeek V4 Pro is developed by DeepSeek. Claude 3 Haiku has a 200K token context window vs DeepSeek V4 Pro's 1.0M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Haiku or DeepSeek V4 Pro?

It depends on your use case. Claude 3 Haiku and DeepSeek V4 Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does Claude 3 Haiku cost compared to DeepSeek V4 Pro?

Claude 3 Haiku costs $0.25/M input tokens and DeepSeek V4 Pro costs $1.74/M input tokens. Claude 3 Haiku is $1.49/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 3 Haiku and DeepSeek V4 Pro on Rival?

This page shows a side-by-side comparison of Claude 3 Haiku and DeepSeek V4 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 Claude 3 Haiku and DeepSeek V4 Pro?

Claude 3 Haiku is developed by Anthropic while DeepSeek V4 Pro is developed by DeepSeek. Claude 3 Haiku has a 200K token context window vs DeepSeek V4 Pro's 1.0M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Haiku or DeepSeek V4 Pro?

It depends on your use case. Claude 3 Haiku and DeepSeek V4 Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does Claude 3 Haiku cost compared to DeepSeek V4 Pro?

Claude 3 Haiku costs $0.25/M input tokens and DeepSeek V4 Pro costs $1.74/M input tokens. Claude 3 Haiku is $1.49/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 3 Haiku and DeepSeek V4 Pro on Rival?

This page shows a side-by-side comparison of Claude 3 Haiku and DeepSeek V4 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.

Claude 3 Haiku vs DeepSeek V4 Pro: Which Is Better?

Updated Apr 2026

Our Verdict

DeepSeek V4 Pro

Claude 3 HaikuRunner-up

No community votes yet. On paper, DeepSeek V4 Pro has the edge — bigger model tier, newer, bigger context window.

Slight edge

API pricing

Cost per 1M tokens

Claude 3 Haiku

Input

$0.25

7.0× cheaper

Output

$1.25

2.8× cheaper

DeepSeek V4 Pro

Input

$1.74

Output

$3.48

Claude 3 Haiku is cheaper on both — 7.0× input, 2.8× output

Writing DNA

Style Comparison

Similarity

57%

DeepSeek V4 Pro uses 3.5x more emoji

Claude 3 Haiku

DeepSeek V4 Pro

50%Vocabulary57%

22wSentence Length18w

0.71Hedging0.52

0.3Bold3.3

5.9Lists2.3

0.00Emoji0.04

0.00Headings0.45

0.08Transitions0.15

Based on 13 + 27 text responses

Research

What we learned reading every model

Claude 3 Haiku and DeepSeek V4 Pro 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

Claude 3 Haiku vs GPT-5New provider

Claude 3 Haiku vs MiniMax M3New provider

Claude 3 Haiku vs Llama 4 MaverickNew provider

Updated Apr 2026

Our Verdict

DeepSeek V4 Pro

Claude 3 HaikuRunner-up

No community votes yet. On paper, DeepSeek V4 Pro has the edge — bigger model tier, newer, bigger context window.

Slight edge

API pricing

Cost per 1M tokens

Claude 3 Haiku

Input

$0.25

7.0× cheaper

Output

$1.25

2.8× cheaper

DeepSeek V4 Pro

Input

$1.74

Output

$3.48

Claude 3 Haiku is cheaper on both — 7.0× input, 2.8× output

Writing DNA

Style Comparison

Similarity

57%

DeepSeek V4 Pro uses 3.5x more emoji

Claude 3 Haiku

DeepSeek V4 Pro

50%Vocabulary57%

22wSentence Length18w

0.71Hedging0.52

0.3Bold3.3

5.9Lists2.3

0.00Emoji0.04

0.00Headings0.45

0.08Transitions0.15

Based on 13 + 27 text responses

Research

What we learned reading every model

Claude 3 Haiku and DeepSeek V4 Pro 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

Claude 3 Haiku vs GPT-5New provider

Claude 3 Haiku vs MiniMax M3New provider

Claude 3 Haiku vs Llama 4 MaverickNew provider