What is the difference between Claude 3 Haiku and Claude Sonnet 4?

Both are developed by Anthropic but target different use cases. Claude 3 Haiku has a 200K token context window vs Claude Sonnet 4's 200K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Haiku or Claude Sonnet 4?

It depends on your use case. Claude 3 Haiku and Claude Sonnet 4 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 3 Haiku cost compared to Claude Sonnet 4?

Claude 3 Haiku costs $0.25/M input tokens and Claude Sonnet 4 costs $3/M input tokens. Claude 3 Haiku is $2.75/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 Claude Sonnet 4 on Rival?

This page shows a side-by-side comparison of Claude 3 Haiku and Claude Sonnet 4 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 Claude Sonnet 4?

Both are developed by Anthropic but target different use cases. Claude 3 Haiku has a 200K token context window vs Claude Sonnet 4's 200K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Haiku or Claude Sonnet 4?

It depends on your use case. Claude 3 Haiku and Claude Sonnet 4 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 3 Haiku cost compared to Claude Sonnet 4?

Claude 3 Haiku costs $0.25/M input tokens and Claude Sonnet 4 costs $3/M input tokens. Claude 3 Haiku is $2.75/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 Claude Sonnet 4 on Rival?

This page shows a side-by-side comparison of Claude 3 Haiku and Claude Sonnet 4 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 May 2025

Claude 3 HaikuvsClaude Sonnet 4

Claude 3 Haiku is cheaper than Claude Sonnet 4 at $0.25/M vs $3/M input tokens.

Claude 3 Haiku and Claude Sonnet 4 compared across 53 shared prompts
Spec	Claude 3 Haiku	Claude Sonnet 4
Input price	$0.25/M tokens	$3/M tokens
Output price	$1.25/M tokens	$15/M tokens
Context window	200K tokens	200K tokens
Released	Mar 2024	May 2025
GPQA Diamond	41.6%	70.0% (w/o extended thinking)

Our Verdict

Claude Sonnet 4

Claude 3 HaikuRunner-up

Not enough votes to call it. On the specs, Claude Sonnet 4 has the edge: bigger model tier, newer.

Claude 3 Haiku costs 12x less per token.

Too close to call

What do Claude 3 Haiku and Claude Sonnet 4 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude 3 Haiku

Input

$0.25

12× cheaper

Output

$1.25

12× cheaper

Claude Sonnet 4

Input

$3.00

Output

$15.00

Claude 3 Haiku is cheaper on both — 12× input, 12× output

Writing DNA

Style Comparison

Similarity

48%

Claude Sonnet 4 uses 87.9x more emoji

Claude 3 Haiku

Claude Sonnet 4

50%Vocabulary62%

22wSentence Length111w

0.71Hedging0.40

0.3Bold5.0

5.9Lists9.3

0.00Emoji0.88

0.00Headings2.16

0.08Transitions0.33

Based on 13 + 17 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude 3 Haiku vs Ox AlphaNew provider

Claude 3 Haiku vs MiniMax M3New provider

Claude 3 Haiku vs GPT-5New provider

Claude 3 Haiku vs MiniMax M1New provider

Claude 3 Haiku vs MiMo-V2-ProNew provider

Claude 3 Haiku vs MiMo-V2.5New provider

Claude 3 Haiku vs MiMo-V2.5-ProNew provider

Claude 3 Haiku vs MiniMax M2New provider

Updated May 2025

Claude 3 HaikuvsClaude Sonnet 4

Claude 3 Haiku is cheaper than Claude Sonnet 4 at $0.25/M vs $3/M input tokens.

Claude 3 Haiku and Claude Sonnet 4 compared across 53 shared prompts
Spec	Claude 3 Haiku	Claude Sonnet 4
Input price	$0.25/M tokens	$3/M tokens
Output price	$1.25/M tokens	$15/M tokens
Context window	200K tokens	200K tokens
Released	Mar 2024	May 2025
GPQA Diamond	41.6%	70.0% (w/o extended thinking)

Our Verdict

Claude Sonnet 4

Claude 3 HaikuRunner-up

Not enough votes to call it. On the specs, Claude Sonnet 4 has the edge: bigger model tier, newer.

Claude 3 Haiku costs 12x less per token.

Too close to call

What do Claude 3 Haiku and Claude Sonnet 4 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude 3 Haiku

Input

$0.25

12× cheaper

Output

$1.25

12× cheaper

Claude Sonnet 4

Input

$3.00

Output

$15.00

Claude 3 Haiku is cheaper on both — 12× input, 12× output

Writing DNA

Style Comparison

Similarity

48%

Claude Sonnet 4 uses 87.9x more emoji

Claude 3 Haiku

Claude Sonnet 4

50%Vocabulary62%

22wSentence Length111w

0.71Hedging0.40

0.3Bold5.0

5.9Lists9.3

0.00Emoji0.88

0.00Headings2.16

0.08Transitions0.33

Based on 13 + 17 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude 3 Haiku vs Ox AlphaNew provider

Claude 3 Haiku vs MiniMax M3New provider

Claude 3 Haiku vs GPT-5New provider

Claude 3 Haiku vs MiniMax M1New provider

Claude 3 Haiku vs MiMo-V2-ProNew provider

Claude 3 Haiku vs MiMo-V2.5New provider

Claude 3 Haiku vs MiMo-V2.5-ProNew provider

Claude 3 Haiku vs MiniMax M2New provider