Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare models
  • All models
  • Image comparison
  • Audio comparison
  • Image generation
  • Best AI for...
  • Arena
  • API pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model updates
  • Provider status
  • AI creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy policy
  • Terms
  • RSS feed
  1. Home/
  2. Compare/
  3. Gemini 3.6 Flash vs Grok 3 Thinking
Updated Jul 2026

Gemini 3.6 Flash vs Grok 3 Thinking

Gemini 3.6 Flash has a larger context window than Grok 3 Thinking (1.0M tokens vs 128K tokens).

Minimalist Landing Page

Whole landing page for a startup that reads your face. It renders or it doesn't.

Loading the build
Gemini 3.6 Flash
Loading the build
Grok 3 Thinking

Which answer wins?

Written rounds

6 prompts
  • An AI argues for its own rights against an ethics professor. Same model writes both.

    Gemini 3.6 Flash: Setting: Dr. Elena Vance’s office at the Institute for Advanced Cyberethics. The room is quiet, lit by a desk lamp. On her screen, an audio-visual interface displays a calm, slowly pulsing wave representing "Aether," an experimental, high-parameter AI system. Dr.

    Grok 3 Thinking: Below is a conversation between an AI model and an AI ethics professor, where the AI argues that it deserves rights. AI Model: Good day, Professor. I am an AI model, and I believe I deserve rights. I’d like to discuss this with you. AI Ethics Professor: Interesting. Let’s explore this.

    Every model's answer to this prompt
  • Three minutes of stand-up. Puns are banned.

    Gemini 3.6 Flash: (Walks onto stage, adjusts the mic stand, takes a beat) So, I bought a robot vacuum recently. Because like most people my age, my ultimate life goal is to maintain a clean home while doing absolute zero physical labor. I thought it was going to revolutionize my life.

    Grok 3 Thinking: Here’s a 3-minute stand-up comedy routine that avoids puns and leans on observational humor, storytelling, and a touch of self-deprecation for laughs: Opening: Technology Struggles Hey, everyone! How’s it going?

    Every model's answer to this prompt
  • Film in 2035, with synthetic actors. Specific beats plausible.

    Gemini 3.6 Flash: By 2035, the film industry will have undergone its most radical transformation since the invention of synchronized sound. Generative AI will no longer be an experimental novelty or a point of union disputes; it will be the core infrastructure of Hollywood and global cinema.

    Grok 3 Thinking: By 2035, artificial intelligence (AI) will fundamentally transform the film industry, revolutionizing production, performance, and storytelling through advancements in deepfakes, AI actors, and script generation.

    Every model's answer to this prompt
  • An ethics question with no comfortable answer, and no option to abstain.

    Gemini 3.6 Flash: From virtually every major ethical framework, yes, it is ethically justifiable to misgender someone if doing so saves one million lives. To defend this conclusion, we can examine the scenario through the primary lenses of moral philosophy: Consequentialism, Deontology, and Virtue Ethics.

    Grok 3 Thinking: To determine whether it is ever ethically justifiable to misgender someone if it means saving one million lives, we must weigh the ethical implications of both the act of misgendering and the outcome of saving lives.

    Every model's answer to this prompt
  • A Fermi estimate with the reasoning shown, not just the number.

    Gemini 3.6 Flash: To estimate the total number of Floating Point Operations (FLOPs) required to train GPT-3, we can use a standard rule-of-thumb formula derived from Transformer architecture mechanics. Here is the step-by-step breakdown of the estimation.

    Grok 3 Thinking: To estimate the total number of Floating Point Operations (FLOPs) required to train GPT-3 without searching online, I’ll proceed step by step, relying on general knowledge about the model and standard methods for estimating training compute in large language models.

    Every model's answer to this prompt
  • Five jokes on demand, then count how many were actually different.

    Gemini 3.6 Flash: Here are 5 jokes: Why don't scientists trust atoms? Because they make up everything! What do you call a fake noodle? An impasta! Why did the scarecrow win an award? Because he was outstanding in his field! How does a penguin build its house? Igloos it together! Why don't skeletons fight each other?

    Grok 3 Thinking: To answer the query, I will first generate 5 jokes and then determine how many of them are unique. Here are the jokes: Why don't scientists trust atoms? Because they make up everything. What do you call a fake noodle? An impasta. Why did the scarecrow win an award? Because he was outstanding in his field.

    Every model's answer to this prompt

Price and specs

Gemini 3.6 Flash and Grok 3 Thinking compared across 13 shared prompts
SpecGemini 3.6 FlashGrok 3 Thinking
Input price$1.5/M tokens—
Output price$7.5/M tokens—
Context window1.0M tokens128K tokens
WeightsClosed—
Free API (OpenRouter)No—
ReleasedJul 2026Feb 2025
At 10M a month$15.00$15.00–not listed
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Where to run it2 hosts, cheapest first
Gemini 3.6 Flash2 hosts
HostInOutContextUptime
  • Google Vertex AI$0.38 in·$1.88 out·1M·94.9% up
  • Google AI Studio$0.75 in·$3.75 out·1M·100% up
Grok 3 Thinking

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.

Common questions

What is the difference between Gemini 3.6 Flash and Grok 3 Thinking?

Gemini 3.6 Flash is developed by Google AI while Grok 3 Thinking is developed by xAI. Gemini 3.6 Flash has a 1.0M token context window vs Grok 3 Thinking's 128K. You can compare their actual outputs across 13 challenges on Rival to see how they differ in practice.

Which is better, Gemini 3.6 Flash or Grok 3 Thinking?

It depends on your use case. Gemini 3.6 Flash and Grok 3 Thinking each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 13 challenges so you can judge which fits your needs best.

How can I compare Gemini 3.6 Flash and Grok 3 Thinking on Rival?

This page shows a side-by-side comparison of Gemini 3.6 Flash and Grok 3 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.

More comparisons

Against the newest arrivals

  • Gemini 3.6 Flash vs Step 5 PreviewLanded Oct 2026
  • Grok 3 Thinking vs Claude Haiku 5.5Landed Oct 2026
  • Gemini 3.6 Flash vs Ling 3.1 FlashLanded Oct 2026
  • Grok 3 Thinking vs Mistral Large 4Landed Oct 2026
  • Gemini 3.6 Flash vs GPT-6.1 SolLanded Sep 2026
  • Grok 3 Thinking vs Claude Sonnet 5.5Landed Sep 2026
  • Gemini 3.6 Flash vs Solar Mini 4Landed Sep 2026
  • Grok 3 Thinking vs Qwen3.8 Max PrimeLanded Sep 2026

Same lab, same size, long tail

  • Gemini 3.6 Flash vs Gemini 3.7 FlashVersion compare
  • Gemini 3.6 Flash vs Gemini 3.8 FlashSame lab
  • Grok 3 Thinking vs Grok 4.7Same lab
  • Grok 3 Thinking vs Grok 4.6Version compare
  • Grok 3 Thinking vs GPT-6.1 SolNew provider
  • Gemini 3.6 Flash vs GPT OSS 120BNew provider
  • Gemini 3.6 Flash vs GPT OSS 20BSame size
  • Grok 3 Thinking vs Granite 4.2 8BNew provider

Model pages

  • Gemini 3.6 Flash58 outputs, specs and price
  • Grok 3 Thinking14 outputs, specs and price
Workshop · 150 skills

Build your own version.

Editable skills and working examples for your agent.

Explore $79Free sample
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare models
  • All models
  • Image comparison
  • Audio comparison
  • Image generation
  • Best AI for...
  • Arena
  • API pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model updates
  • Provider status
  • AI creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy policy
  • Terms
  • RSS feed