What is the difference between Claude Opus 4 and Gemini 2.0 Flash Thinking?

Claude Opus 4 is developed by Anthropic while Gemini 2.0 Flash Thinking is developed by Google AI. Claude Opus 4 has a 200K token context window vs Gemini 2.0 Flash Thinking's 500K. You can compare their actual outputs across 20 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4 or Gemini 2.0 Flash Thinking?

It depends on your use case. Claude Opus 4 and Gemini 2.0 Flash Thinking each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 20 challenges so you can judge which fits your needs best.

How much does Claude Opus 4 cost compared to Gemini 2.0 Flash Thinking?

Claude Opus 4 costs $15/M input tokens and Gemini 2.0 Flash Thinking costs $0.25/M input tokens. Gemini 2.0 Flash Thinking is $14.75/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 Opus 4 and Gemini 2.0 Flash Thinking on Rival?

This page shows a side-by-side comparison of Claude Opus 4 and Gemini 2.0 Flash Thinking 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 Opus 4 and Gemini 2.0 Flash Thinking?

Claude Opus 4 is developed by Anthropic while Gemini 2.0 Flash Thinking is developed by Google AI. Claude Opus 4 has a 200K token context window vs Gemini 2.0 Flash Thinking's 500K. You can compare their actual outputs across 20 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4 or Gemini 2.0 Flash Thinking?

It depends on your use case. Claude Opus 4 and Gemini 2.0 Flash Thinking each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 20 challenges so you can judge which fits your needs best.

How much does Claude Opus 4 cost compared to Gemini 2.0 Flash Thinking?

Claude Opus 4 costs $15/M input tokens and Gemini 2.0 Flash Thinking costs $0.25/M input tokens. Gemini 2.0 Flash Thinking is $14.75/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 Opus 4 and Gemini 2.0 Flash Thinking on Rival?

This page shows a side-by-side comparison of Claude Opus 4 and Gemini 2.0 Flash Thinking 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 Opus 4 vs Gemini 2.0 Flash Thinking: Which Is Better?

Updated May 2025

Our Verdict

Claude Opus 4

Gemini 2.0 Flash ThinkingRunner-up

No community votes yet. On paper, Claude Opus 4 has the edge — bigger model tier, newer.

Gemini 2.0 Flash Thinking is 150x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Opus 4

Input

$15.00

Output

$75.00

Gemini 2.0 Flash Thinking

Input

$0.25

60× cheaper

Output

$0.50

150× cheaper

Gemini 2.0 Flash Thinking is cheaper on both — 60× input, 150× output

Writing DNA

Style Comparison

Similarity

39%

Claude Opus 4 uses 11.2x more emoji

Claude Opus 4

Gemini 2.0 Flash Thinking

64%Vocabulary54%

62wSentence Length15w

0.52Hedging0.64

4.4Bold3.8

9.1Lists2.4

0.11Emoji0.00

1.87Headings0.03

0.27Transitions0.30

Based on 16 + 13 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Gemini 2.0 Flash Thinking vs MiniMax M3New provider

Gemini 2.0 Flash Thinking vs GPT-5New provider

Gemini 2.0 Flash Thinking vs Claude Sonnet 4Cross-provider

Updated May 2025

Our Verdict

Claude Opus 4

Gemini 2.0 Flash ThinkingRunner-up

No community votes yet. On paper, Claude Opus 4 has the edge — bigger model tier, newer.

Gemini 2.0 Flash Thinking is 150x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Opus 4

Input

$15.00

Output

$75.00

Gemini 2.0 Flash Thinking

Input

$0.25

60× cheaper

Output

$0.50

150× cheaper

Gemini 2.0 Flash Thinking is cheaper on both — 60× input, 150× output

Writing DNA

Style Comparison

Similarity

39%

Claude Opus 4 uses 11.2x more emoji

Claude Opus 4

Gemini 2.0 Flash Thinking

64%Vocabulary54%

62wSentence Length15w

0.52Hedging0.64

4.4Bold3.8

9.1Lists2.4

0.11Emoji0.00

1.87Headings0.03

0.27Transitions0.30

Based on 16 + 13 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Gemini 2.0 Flash Thinking vs MiniMax M3New provider

Gemini 2.0 Flash Thinking vs GPT-5New provider

Gemini 2.0 Flash Thinking vs Claude Sonnet 4Cross-provider