What is the difference between Claude 3 Haiku and Gemini 2.5 Pro (I/O Edition)?

Claude 3 Haiku is developed by Anthropic while Gemini 2.5 Pro (I/O Edition) is developed by Google AI. You can compare their actual outputs across 40 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Haiku or Gemini 2.5 Pro (I/O Edition)?

It depends on your use case. Claude 3 Haiku and Gemini 2.5 Pro (I/O Edition) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 40 challenges so you can judge which fits your needs best.

How much does Claude 3 Haiku cost compared to Gemini 2.5 Pro (I/O Edition)?

Claude 3 Haiku costs $0.25/M input tokens and Gemini 2.5 Pro (I/O Edition) costs $1.25/M input tokens. Claude 3 Haiku is $1.00/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 Gemini 2.5 Pro (I/O Edition) on Rival?

This page shows a side-by-side comparison of Claude 3 Haiku and Gemini 2.5 Pro (I/O Edition) 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 Gemini 2.5 Pro (I/O Edition)?

Claude 3 Haiku is developed by Anthropic while Gemini 2.5 Pro (I/O Edition) is developed by Google AI. You can compare their actual outputs across 40 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Haiku or Gemini 2.5 Pro (I/O Edition)?

It depends on your use case. Claude 3 Haiku and Gemini 2.5 Pro (I/O Edition) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 40 challenges so you can judge which fits your needs best.

How much does Claude 3 Haiku cost compared to Gemini 2.5 Pro (I/O Edition)?

Claude 3 Haiku costs $0.25/M input tokens and Gemini 2.5 Pro (I/O Edition) costs $1.25/M input tokens. Claude 3 Haiku is $1.00/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 Gemini 2.5 Pro (I/O Edition) on Rival?

This page shows a side-by-side comparison of Claude 3 Haiku and Gemini 2.5 Pro (I/O Edition) 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 Gemini 2.5 Pro (I/O Edition): Which Is Better?

Updated May 2025

Our Verdict

Gemini 2.5 Pro (I/O Edition)

Claude 3 HaikuRunner-up

No community votes yet. On paper, Gemini 2.5 Pro (I/O Edition) has the edge — bigger model tier, newer.

Claude 3 Haiku is 8.0x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude 3 Haiku

Input

$0.25

5.0× cheaper

Output

$1.25

8.0× cheaper

Gemini 2.5 Pro (I/O Edition)

Input

$1.25

Output

$10.00

Claude 3 Haiku is cheaper on both — 5.0× input, 8.0× output

Writing DNA

Style Comparison

Similarity

58%

Gemini 2.5 Pro (I/O Edition) uses 62.8x more headings

Claude 3 Haiku

Gemini 2.5 Pro (I/O Edition)

50%Vocabulary58%

22wSentence Length16w

0.71Hedging0.38

0.3Bold5.8

5.9Lists5.0

0.00Emoji0.00

0.00Headings0.63

0.08Transitions0.01

Based on 13 + 16 text responses

Research

What we learned reading every model

Claude 3 Haiku and Gemini 2.5 Pro (I/O Edition) 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 Llama 4 MaverickNew provider

Claude 3 Haiku vs GPT-5New provider

Claude 3 Haiku vs MiniMax M3New provider

Updated May 2025

Our Verdict

Gemini 2.5 Pro (I/O Edition)

Claude 3 HaikuRunner-up

No community votes yet. On paper, Gemini 2.5 Pro (I/O Edition) has the edge — bigger model tier, newer.

Claude 3 Haiku is 8.0x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude 3 Haiku

Input

$0.25

5.0× cheaper

Output

$1.25

8.0× cheaper

Gemini 2.5 Pro (I/O Edition)

Input

$1.25

Output

$10.00

Claude 3 Haiku is cheaper on both — 5.0× input, 8.0× output

Writing DNA

Style Comparison

Similarity

58%

Gemini 2.5 Pro (I/O Edition) uses 62.8x more headings

Claude 3 Haiku

Gemini 2.5 Pro (I/O Edition)

50%Vocabulary58%

22wSentence Length16w

0.71Hedging0.38

0.3Bold5.8

5.9Lists5.0

0.00Emoji0.00

0.00Headings0.63

0.08Transitions0.01

Based on 13 + 16 text responses

Research

What we learned reading every model

Claude 3 Haiku and Gemini 2.5 Pro (I/O Edition) 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 Llama 4 MaverickNew provider

Claude 3 Haiku vs GPT-5New provider

Claude 3 Haiku vs MiniMax M3New provider