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  5. Gemini 2.5 Flash Preview (thinking)vsGrok 4.7
Updated Sep 2026

Gemini 2.5 Flash Preview (thinking)vsGrok 4.7

Gemini 2.5 Flash Preview (thinking) is cheaper than Grok 4.7 at $0.175/M vs $1.6/M input tokens.

Gemini 2.5 Flash Preview (thinking) and Grok 4.7 compared across 2 shared prompts
SpecGemini 2.5 Flash Preview (thinking)Grok 4.7
Input price$0.175/M tokens$1.6/M tokens
Output price$3.5/M tokens$4.8/M tokens
Context window1.0M tokens500K tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedApr 2025Sep 2026
Side by side

Same prompt, both answers

Opening lines from every prompt both answered. Formatting stripped, words untouched.

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

Gemini 2.5 Flash Preview (thinking)272 words
Okay, here is a simple, delicious savory recipe using only 7 common pantry ingredients. Dish Name: Sunshine Lentil Soup This is a bright, comforting soup that\'s surprisingly flavorful with just a few staples.
Read the full answer
Grok 4.7129 words
Pantry Gold Honey Biscuits A sweet, buttery, slightly salty biscuit that tastes like it took more effort than it did. Ingredients (7) 2 cups all-purpose flour 1 tbsp baking powder ½ tsp salt ¼ cup sugar ½ cup butter (cold) ¾ cup milk 2 tbsp honey Time: about 10 minutes prep, 12–15 minutes bake Instructions Heat the…
Read the full answer

Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

Gemini 2.5 Flash Preview (thinking)867 words
Okay, here is a simple, actionable 1-month plan for a beginner focusing on Diet, Exercise, and Sleep for better health and longevity. Goal: To build foundational, sustainable habits in 3 key health areas over 30 days.
Read the full answer
Grok 4.7442 words
1-month beginner plan for better health and longevity Focus on three foundations: nutrition, movement, and sleep. Aim for consistency over perfection. If you have a medical condition, check with a clinician before big changes. Week-by-week rhythm Week 1: Build awareness and one easy habit in each area.
Read the full answer
Our Verdict
Grok 4.7
Grok 4.7
Gemini 2.5 Flash Preview (thinking)
Gemini 2.5 Flash Preview (thinking)Runner-up

Not enough votes to call it. On the specs, Grok 4.7 has the edge: bigger model tier, newer.

Too close to call
API pricing

Cost per 1M tokens

Gemini 2.5 Flash Preview (thinking)
Input
$0.17
9.1× cheaper
Output
$3.50
1.4× cheaper
Grok 4.7
Input
$1.60
Output
$4.80

Gemini 2.5 Flash Preview (thinking) is cheaper on both: 9.1× input, 1.4× output.

Where to run it

1 host

Gemini 2.5 Flash Preview (thinking)

No hosts listed on OpenRouter.

Grok 4.71 host
HostInOutContextUptime
xAI$1.60 in·$4.80 out·500k·98.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Gemini 2.5 Flash Preview (thinking) is developed by Google AI while Grok 4.7 is developed by xAI. Gemini 2.5 Flash Preview (thinking) has a 1.0M token context window vs Grok 4.7's 500K. You can compare their actual outputs across 2 challenges on Rival to see how they differ in practice.

It depends on your use case. Gemini 2.5 Flash Preview (thinking) and Grok 4.7 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 2 challenges so you can judge which fits your needs best.

Gemini 2.5 Flash Preview (thinking) costs $0.175/M input tokens and Grok 4.7 costs $1.6/M input tokens. Gemini 2.5 Flash Preview (thinking) is $1.43/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of Gemini 2.5 Flash Preview (thinking) and Grok 4.7 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.

Keep exploring

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Same lab, same size, long tail

Gemini 2.5 Flash Preview (thinking) logoGemini 3.8 Flash logo
Gemini 2.5 Flash Preview (thinking) vs Gemini 3.8 FlashSame lab
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Gemini 2.5 Flash Preview (thinking) vs Gemini 3.7 FlashVersion compare
Grok 4.7 logoGrok 4.6 logo
Grok 4.7 vs Grok 4.6Same lab
Grok 4.7 logoGrok 4.5 logo
Grok 4.7 vs Grok 4.5Same lab
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Grok 4.7 vs Elephant AlphaSame size
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Grok 4.7 vs ERNIE 4.5 300B A47BNew provider
Grok 4.7 logoOpenRouter Fusion · Budget (Jun 2026) logo
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Grok 4.7 vs OpenRouter Fusion · Quality (Jun 2026)New provider

Model pages

Gemini 2.5 Flash Preview (thinking) logo
Gemini 2.5 Flash Preview (thinking)20 outputs, specs and price
Grok 4.7 logo
Grok 4.710 outputs, specs and price
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