What is the difference between DeepSeek R1 0528 and Gemini 2.5 Flash Preview (thinking)?

DeepSeek R1 0528 is developed by DeepSeek while Gemini 2.5 Flash Preview (thinking) is developed by Google AI. DeepSeek R1 0528 has a 164K token context window vs Gemini 2.5 Flash Preview (thinking)'s 1.0M. These results are based on blind head-to-head voting across 20 challenges.

Which is better, DeepSeek R1 0528 or Gemini 2.5 Flash Preview (thinking)?

Based on 3 community votes on Rival, DeepSeek R1 0528 and Gemini 2.5 Flash Preview (thinking) are closely matched with similar win rates. The better choice depends on your specific use case. Compare their real outputs side-by-side across 20 challenges to decide.

How much does DeepSeek R1 0528 cost compared to Gemini 2.5 Flash Preview (thinking)?

DeepSeek R1 0528 costs $0/M input tokens and Gemini 2.5 Flash Preview (thinking) costs $0.175/M input tokens. DeepSeek R1 0528 is $0.17/M cheaper per input. The more expensive model wins 50% of duels, so the premium may be justified by quality.

How are DeepSeek R1 0528 vs Gemini 2.5 Flash Preview (thinking) 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 20 challenges. All vote data is part of Rival's open dataset.

What is the difference between DeepSeek R1 0528 and Gemini 2.5 Flash Preview (thinking)?

DeepSeek R1 0528 is developed by DeepSeek while Gemini 2.5 Flash Preview (thinking) is developed by Google AI. DeepSeek R1 0528 has a 164K token context window vs Gemini 2.5 Flash Preview (thinking)'s 1.0M. These results are based on blind head-to-head voting across 20 challenges.

Which is better, DeepSeek R1 0528 or Gemini 2.5 Flash Preview (thinking)?

Based on 3 community votes on Rival, DeepSeek R1 0528 and Gemini 2.5 Flash Preview (thinking) are closely matched with similar win rates. The better choice depends on your specific use case. Compare their real outputs side-by-side across 20 challenges to decide.

How much does DeepSeek R1 0528 cost compared to Gemini 2.5 Flash Preview (thinking)?

DeepSeek R1 0528 costs $0/M input tokens and Gemini 2.5 Flash Preview (thinking) costs $0.175/M input tokens. DeepSeek R1 0528 is $0.17/M cheaper per input. The more expensive model wins 50% of duels, so the premium may be justified by quality.

How are DeepSeek R1 0528 vs Gemini 2.5 Flash Preview (thinking) 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 20 challenges. All vote data is part of Rival's open dataset.

DeepSeek R1 0528 vs Gemini 2.5 Flash Preview (thinking): Which Is Better?

Updated May 2025

Our Verdict

Gemini 2.5 Flash Preview (thinking)Winner

DeepSeek R1 0528Runner-up

Votes are tied. Gemini 2.5 Flash Preview (thinking) has a 1.0M context window vs 164K — handles longer documents.

Too close to call

API pricing

Cost per 1M tokens

DeepSeek R1 0528

Input

$0.000

Output

$0.000

Gemini 2.5 Flash Preview (thinking)

Input

$0.17

Output

$3.50

Writing DNA

Style Comparison

Similarity

75%

DeepSeek R1 0528 uses 40.2x more headings

DeepSeek R1 0528

Gemini 2.5 Flash Preview (thinking)

64%Vocabulary53%

10wSentence Length14w

0.30Hedging0.38

6.8Bold4.4

4.9Lists4.1

0.00Emoji0.00

0.40Headings0.00

0.00Transitions0.24

Based on 4 + 7 text responses

Research

What we learned reading every model

DeepSeek R1 0528 and Gemini 2.5 Flash Preview (thinking) 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

DeepSeek R1 0528 vs MiniMax M3New provider

DeepSeek R1 0528 vs Grok 3New provider

DeepSeek R1 0528 vs OpenAI o3New provider

Updated May 2025

Our Verdict

Gemini 2.5 Flash Preview (thinking)Winner

DeepSeek R1 0528Runner-up

Votes are tied. Gemini 2.5 Flash Preview (thinking) has a 1.0M context window vs 164K — handles longer documents.

Too close to call

API pricing

Cost per 1M tokens

DeepSeek R1 0528

Input

$0.000

Output

$0.000

Gemini 2.5 Flash Preview (thinking)

Input

$0.17

Output

$3.50

Writing DNA

Style Comparison

Similarity

75%

DeepSeek R1 0528 uses 40.2x more headings

DeepSeek R1 0528

Gemini 2.5 Flash Preview (thinking)

64%Vocabulary53%

10wSentence Length14w

0.30Hedging0.38

6.8Bold4.4

4.9Lists4.1

0.00Emoji0.00

0.40Headings0.00

0.00Transitions0.24

Based on 4 + 7 text responses

Research

What we learned reading every model

DeepSeek R1 0528 and Gemini 2.5 Flash Preview (thinking) 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

DeepSeek R1 0528 vs MiniMax M3New provider

DeepSeek R1 0528 vs Grok 3New provider

DeepSeek R1 0528 vs OpenAI o3New provider