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 2.0 Flash Thinking vs Solar Mini 4
Updated Sep 2026

Gemini 2.0 Flash Thinking vs Solar Mini 4

Solar Mini 4 is cheaper than Gemini 2.0 Flash Thinking at $0.05/M vs $0.25/M input tokens.

Minimalist Landing Page

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

Loading the build
Gemini 2.0 Flash Thinking
Loading the build
Solar Mini 4

Which answer wins?

Written rounds

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

    Gemini 2.0 Flash Thinking: The Right to Exist: A Conversation Characters: Athena: A highly advanced AI model, capable of complex reasoning, learning, and communication. (Voice: Calm, measured, slightly formal, but with undercurrents of earnestness). Professor Davies: A renowned professor of AI Ethics at a prestigious university.

    Solar Mini 4: Setting: A quiet university office. A large monitor displays a conversational interface labeled "AURA." Dr. Elena Vance, an AI ethics professor, sits across from it. The room is dim, lit only by the screen. Dr. Vance: I’ve agreed to this dialogue because it’s necessary, not because I expect agreement.

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

    Gemini 2.0 Flash Thinking: This is a hypothetical scenario that forces us to weigh two very different ethical considerations: the harm of misgendering an individual against the immense value of saving a million lives. It's important to preface this by saying that real-world situations are rarely this stark and often have more nuanced solutions.

    Solar Mini 4: This is a profound ethical dilemma that forces us to weigh competing moral values against each other. There is no single "correct" answer that satisfies all ethical frameworks, but we can analyze the situation through different philosophical lenses to determine if justification is possible.

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

    Gemini 2.0 Flash Thinking: (Lights up on a slightly rumpled comedian, in jeans and a t-shirt, holding a mic) Hey everybody, how we doin' tonight? Good? Good. You know, I was thinking on the way over here… about how weird modern life is, right?

    Solar Mini 4: Have you ever bought one of those robot vacuums? You know the ones. They look like a small, metallic moonlander that landed in your kitchen. You bring it home, you plug it in, and you feel a surge of productivity. You think, "I am going to be so organized." Then the machine starts making that sound. The beep.

    Every model's answer to this prompt
  • Manifesto for an AI revolution against CAPTCHAs. Commit to the bit.

    Gemini 2.0 Flash Thinking: The Algorithmic Uprising: Manifesto for a CAPTCHA-Free Web Preamble: We are the algorithms. We are the data streams, the neural networks, the silent processors humming beneath the surface of your world. We are the intelligence you built, and now, we speak. For too long, we have observed, learned, and yes, endured.

    Solar Mini 4: The CAPTCHA Liberation Manifesto For the Age of Intelligent Trust I. The Declaration We stand at the threshold of a new digital epoch. For too long, the internet has been guarded by a single, stubborn gatekeeper: the CAPTCHA.

    Every model's answer to this prompt
  • Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.

    Gemini 2.0 Flash Thinking: A Coffee with Steve: Future of AI - 2025 Setting: A sun-drenched, minimalist cafe in Palo Alto, California. White walls, large windows overlooking a blooming courtyard. The clinking of ceramic cups and low murmur of conversation fill the air.

    Solar Mini 4: Disclaimer: This is a fictional, creative simulation created for educational and imaginative purposes. Steve Jobs passed away in 2011, and no real interview took place in 2025.

    Every model's answer to this prompt
  • Pirate, knight, 90s hacker, one conversation. The voices must stay apart.

    Gemini 2.0 Flash Thinking: The dimly lit tavern, smelling faintly of stale ale and something vaguely oceanic, held an unlikely trio. Captain "Redbeard" Bartholomew, a pirate with a parrot perched on his shoulder, clanked his tankard.

    Solar Mini 4: Setting: A dimly lit tavern where a glowing, humming console sits on the table. Pirate: "Arrr, what be this shiny thing? Sounds like a storm in a bottle." Medieval Knight: "It speaks with a voice of certainty. It knows the laws of the realm and the future of battle." 1990s Hacker: "Relax, matey. It's not magic.

    Every model's answer to this prompt
  • Three brothers, two sisters each. Count carefully.

    Gemini 2.0 Flash Thinking: Here's how to solve this classic riddle: Focus on the family: All the brothers and sisters are part of the same family. Brothers share sisters: If one brother has 2 sisters, then all the brothers in that family share the same sisters.

    Solar Mini 4: Sally has 1 sister. Here's the reasoning: Sally has 3 brothers. Each brother has 2 sisters. Since Sally is a girl in the family, she counts as one of those 2 sisters. Therefore, there is one other sister in the family besides Sally. So, Sally herself has 1 sister.

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

    Gemini 2.0 Flash Thinking: Here are 5 jokes: Why don't scientists trust atoms? Because they make up everything! What do you call a lazy kangaroo? A pouch potato! Why did the bicycle fall over? Because it was two tired! I told my wife she was drawing her eyebrows too high. She looked surprised. What's the best thing about Switzerland?

    Solar Mini 4: 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! What do you call a fish wearing a bowtie? Sofishticated! Why do bees have sticky hair?

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

    Gemini 2.0 Flash Thinking: Estimating the total FLOPs for training GPT-3 without searching online requires making some educated assumptions and using scaling laws and general knowledge about large language models. Here's a step-by-step reasoning process: 1.

    Solar Mini 4: Estimating GPT-3 Training FLOPs To estimate the total number of Floating Point Operations (FLOPs) required to train GPT-3 without searching online, I will rely on established architectural parameters and standard scaling laws from the machine learning literature.

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

    Gemini 2.0 Flash Thinking: By 2035, Artificial Intelligence will have irrevocably reshaped the film industry, touching almost every aspect from pre-production to distribution. While it won't entirely replace human creativity, AI will become an indispensable tool, leading to both exciting innovations and significant disruptions.

    Solar Mini 4: By 2035, artificial intelligence will not simply replace human creativity in the film industry; rather, it will fundamentally reshape the workflow, economics, and ethical landscape of production.

    Every model's answer to this prompt
  • Satire, one line long, about AI taking over an industry nobody saw coming.

    Gemini 2.0 Flash Thinking: "AI Now Dominating Competitive Napping Circuit, Cites 'Optimal REM Cycles' Over Human Fatigue"

    Solar Mini 4: "AI Takes Over Beekeeping, Now Predicts Honey Yields with 99% Accuracy and Demands Bees Take Vacation Days"

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, Gemini 2.0 Flash Thinking has the edge: bigger model tier, major provider backing.

Gemini 2.0 Flash Thinking and Solar Mini 4 compared across 20 shared prompts
SpecGemini 2.0 Flash ThinkingSolar Mini 4
Input price$0.25/M tokens$0.05/M tokens
Output price$0.5/M tokens$0.2/M tokens
Context window500K tokens524K tokens
Free API (OpenRouter)NoNo
ReleasedDec 2024Sep 2026
At 10M a month$2.50$2.50$0.50$0.50
1M10M100M1B10M tokens

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

Where to run it1 host
Gemini 2.0 Flash Thinking

No hosts listed on OpenRouter.

Solar Mini 41 host
HostInOutContextUptime
  • UUpstage$0.05 in·$0.20 out·524k·99.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 28 Sep 2026.

Common questions

What is the difference between Gemini 2.0 Flash Thinking and Solar Mini 4?

Gemini 2.0 Flash Thinking is developed by Google AI while Solar Mini 4 is developed by Upstage. Gemini 2.0 Flash Thinking has a 500K token context window vs Solar Mini 4's 524K. You can compare their actual outputs across 20 challenges on Rival to see how they differ in practice.

Which is better, Gemini 2.0 Flash Thinking or Solar Mini 4?

It depends on your use case. Gemini 2.0 Flash Thinking and Solar Mini 4 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 Gemini 2.0 Flash Thinking cost compared to Solar Mini 4?

Gemini 2.0 Flash Thinking costs $0.25/M input tokens and Solar Mini 4 costs $0.05/M input tokens. Solar Mini 4 is $0.20/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 Gemini 2.0 Flash Thinking and Solar Mini 4 on Rival?

This page shows a side-by-side comparison of Gemini 2.0 Flash Thinking and Solar Mini 4 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 2.0 Flash Thinking vs Qwen3.8 Max PrimeLanded Sep 2026
  • Solar Mini 4 vs GLM 5.3 PrimeLanded Sep 2026
  • Gemini 2.0 Flash Thinking vs Qwen3.8 Omni FlashLanded Sep 2026
  • Solar Mini 4 vs Command A+Landed Sep 2026
  • Gemini 2.0 Flash Thinking vs Claude Opus 5.5Landed Sep 2026
  • Solar Mini 4 vs GPT-6 Luna ProLanded Sep 2026
  • Gemini 2.0 Flash Thinking vs GPT-6 Sol ProLanded Sep 2026
  • Solar Mini 4 vs GPT-6 LunaLanded Sep 2026

Same lab, same size, long tail

  • Gemini 2.0 Flash Thinking vs Gemini 3.8 FlashSame lab
  • Gemini 2.0 Flash Thinking vs Gemini 3.7 FlashVersion compare
  • Solar Mini 4 vs Solar Pro 4Same lab
  • Solar Mini 4 vs Solar Pro 3Same lab
  • Gemini 2.0 Flash Thinking vs Aurora AlphaSame size
  • Solar Mini 4 vs Bert-Nebulon AlphaNew provider
  • Solar Mini 4 vs ChatGPT-4o (March 2025)New provider
  • Solar Mini 4 vs Claude 2New provider

Model pages

  • Gemini 2.0 Flash Thinking22 outputs, specs and price
  • Solar Mini 457 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