What is the difference between Gemini 2.5 Flash Preview (thinking) and Grok 3 Mini Beta?

Gemini 2.5 Flash Preview (thinking) is developed by Google AI while Grok 3 Mini Beta is developed by xAI. Gemini 2.5 Flash Preview (thinking) has a 1.0M token context window vs Grok 3 Mini Beta's 131K. in 61 community votes on Rival, Grok 3 Mini Beta wins 58% of head-to-head matchups. These results are based on blind head-to-head voting across 6 challenges.

Which is better, Gemini 2.5 Flash Preview (thinking) or Grok 3 Mini Beta?

Based on 61 community votes on Rival, Grok 3 Mini Beta wins 58% of head-to-head matchups against Gemini 2.5 Flash Preview (thinking). Grok 3 Mini Beta is strongest in Image Generation. However, Gemini 2.5 Flash Preview (thinking) leads in Web Design.

How much does Gemini 2.5 Flash Preview (thinking) cost compared to Grok 3 Mini Beta?

Gemini 2.5 Flash Preview (thinking) costs $0.175/M input tokens and Grok 3 Mini Beta costs $0.4/M input tokens. Gemini 2.5 Flash Preview (thinking) is $0.23/M cheaper per input. The more expensive model wins 58% of duels, so the premium may be justified by quality.

How are Gemini 2.5 Flash Preview (thinking) vs Grok 3 Mini Beta 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. 61 votes have been collected for this pair across 6 challenges. All vote data is part of Rival's open dataset.

What is the difference between Gemini 2.5 Flash Preview (thinking) and Grok 3 Mini Beta?

Gemini 2.5 Flash Preview (thinking) is developed by Google AI while Grok 3 Mini Beta is developed by xAI. Gemini 2.5 Flash Preview (thinking) has a 1.0M token context window vs Grok 3 Mini Beta's 131K. in 61 community votes on Rival, Grok 3 Mini Beta wins 58% of head-to-head matchups. These results are based on blind head-to-head voting across 6 challenges.

Which is better, Gemini 2.5 Flash Preview (thinking) or Grok 3 Mini Beta?

Based on 61 community votes on Rival, Grok 3 Mini Beta wins 58% of head-to-head matchups against Gemini 2.5 Flash Preview (thinking). Grok 3 Mini Beta is strongest in Image Generation. However, Gemini 2.5 Flash Preview (thinking) leads in Web Design.

How much does Gemini 2.5 Flash Preview (thinking) cost compared to Grok 3 Mini Beta?

Gemini 2.5 Flash Preview (thinking) costs $0.175/M input tokens and Grok 3 Mini Beta costs $0.4/M input tokens. Gemini 2.5 Flash Preview (thinking) is $0.23/M cheaper per input. The more expensive model wins 58% of duels, so the premium may be justified by quality.

How are Gemini 2.5 Flash Preview (thinking) vs Grok 3 Mini Beta 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. 61 votes have been collected for this pair across 6 challenges. All vote data is part of Rival's open dataset.

Updated Apr 2025

Gemini 2.5 Flash Preview (thinking)vsGrok 3 Mini Beta

Grok 3 Mini Beta wins 58% of 61 blind community votes against Gemini 2.5 Flash Preview (thinking) on Rival.

Gemini 2.5 Flash Preview (thinking) and Grok 3 Mini Beta compared across 6 shared prompts
Spec	Gemini 2.5 Flash Preview (thinking)	Grok 3 Mini Beta
Win rate	42%	58%
Input price	$0.175/M tokens	$0.4/M tokens
Output price	$3.5/M tokens	$0.8/M tokens
Context window	1.0M tokens	131K tokens
Released	Apr 2025	Apr 2025

Our Verdict

Grok 3 Mini BetaWinner

Gemini 2.5 Flash Preview (thinking)Runner-up

Pick Grok 3 Mini Beta. In 61 blind votes, Grok 3 Mini Beta wins 58% of the time. That's not luck.

Pick Gemini 2.5 Flash Preview (thinking) for Web Design. Pick Grok 3 Mini Beta for Image Generation. Grok 3 Mini Beta costs 4.4x less per token.

Clear winner

What do Gemini 2.5 Flash Preview (thinking) and Grok 3 Mini Beta say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Gemini 2.5 Flash Preview (thinking)

Input

$0.17

2.3× cheaper

Output

$3.50

Grok 3 Mini Beta

Input

$0.40

Output

$0.80

4.4× cheaper

Gemini 2.5 Flash Preview (thinking) wins input (2.3× cheaper)·Grok 3 Mini Beta wins output (4.4× cheaper)

Research

What we learned reading every model

FAQ

Common questions

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Updated Apr 2025

Gemini 2.5 Flash Preview (thinking)vsGrok 3 Mini Beta

Grok 3 Mini Beta wins 58% of 61 blind community votes against Gemini 2.5 Flash Preview (thinking) on Rival.

Gemini 2.5 Flash Preview (thinking) and Grok 3 Mini Beta compared across 6 shared prompts
Spec	Gemini 2.5 Flash Preview (thinking)	Grok 3 Mini Beta
Win rate	42%	58%
Input price	$0.175/M tokens	$0.4/M tokens
Output price	$3.5/M tokens	$0.8/M tokens
Context window	1.0M tokens	131K tokens
Released	Apr 2025	Apr 2025