What is the difference between Claude 2 and OpenAI o3?

Claude 2 is developed by Anthropic while OpenAI o3 is developed by OpenAI. in 3 community votes on Rival, Claude 2 wins 67% of head-to-head matchups. These results are based on blind head-to-head voting across 5 challenges.

Which is better, Claude 2 or OpenAI o3?

Based on 3 community votes on Rival, Claude 2 wins 67% of head-to-head matchups against OpenAI o3.

How much does Claude 2 cost compared to OpenAI o3?

Claude 2 costs $11.02/M input tokens and OpenAI o3 costs $10/M input tokens. OpenAI o3 is $1.02/M cheaper per input. The more expensive model wins 67% of duels, so the premium may be justified by quality.

How are Claude 2 vs OpenAI o3 votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 3 votes have been collected for this pair across 5 challenges. All vote data is part of Rival's open dataset.

What is the difference between Claude 2 and OpenAI o3?

Claude 2 is developed by Anthropic while OpenAI o3 is developed by OpenAI. in 3 community votes on Rival, Claude 2 wins 67% of head-to-head matchups. These results are based on blind head-to-head voting across 5 challenges.

Which is better, Claude 2 or OpenAI o3?

Based on 3 community votes on Rival, Claude 2 wins 67% of head-to-head matchups against OpenAI o3.

How much does Claude 2 cost compared to OpenAI o3?

Claude 2 costs $11.02/M input tokens and OpenAI o3 costs $10/M input tokens. OpenAI o3 is $1.02/M cheaper per input. The more expensive model wins 67% of duels, so the premium may be justified by quality.

How are Claude 2 vs OpenAI o3 votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 3 votes have been collected for this pair across 5 challenges. All vote data is part of Rival's open dataset.

Claude 2 vs OpenAI o3: Which Is Better?

Updated Apr 2025

Our Verdict

Claude 2Winner

OpenAI o3Runner-up

Pick Claude 2. In 3 blind votes, Claude 2 wins 67% of the time. That's not luck.

Clear winner

API pricing

Cost per 1M tokens

Claude 2

Input

$11.02

Output

$32.68

1.2× cheaper

OpenAI o3

Input

$10.00

1.1× cheaper

Output

$40.00

OpenAI o3 wins input (1.1× cheaper)·Claude 2 wins output (1.2× cheaper)

Writing DNA

Style Comparison

Similarity

58%

OpenAI o3 uses 26.0x more hedging

Claude 2

OpenAI o3

65%Vocabulary68%

13wSentence Length14w

0.00Hedging0.26

0.0Bold0.7

10.2Lists3.0

0.00Emoji0.00

0.00Headings0.38

0.00Transitions0.12

Based on 2 + 16 text responses

Research

What we learned reading every model

Claude 2 and OpenAI o3 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 2 vs MiniMax M3New provider

Claude 2 vs Gemini 2.5 Pro Preview 06-05New provider

Claude 2 vs Grok 3New provider

Updated Apr 2025

Our Verdict

Claude 2Winner

OpenAI o3Runner-up

Pick Claude 2. In 3 blind votes, Claude 2 wins 67% of the time. That's not luck.

Clear winner

API pricing

Cost per 1M tokens

Claude 2

Input

$11.02

Output

$32.68

1.2× cheaper

OpenAI o3

Input

$10.00

1.1× cheaper

Output

$40.00

OpenAI o3 wins input (1.1× cheaper)·Claude 2 wins output (1.2× cheaper)

Writing DNA

Style Comparison

Similarity

58%

OpenAI o3 uses 26.0x more hedging

Claude 2

OpenAI o3

65%Vocabulary68%

13wSentence Length14w

0.00Hedging0.26

0.0Bold0.7

10.2Lists3.0

0.00Emoji0.00

0.00Headings0.38

0.00Transitions0.12

Based on 2 + 16 text responses

Research

What we learned reading every model

Claude 2 and OpenAI o3 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 2 vs MiniMax M3New provider

Claude 2 vs Gemini 2.5 Pro Preview 06-05New provider

Claude 2 vs Grok 3New provider