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 2.5 Flash Preview 05-20 vs Hy4 Preview
Updated Aug 2026

Gemini 2.5 Flash Preview 05-20 vs Hy4 Preview

Gemini 2.5 Flash Preview 05-20 is cheaper than Hy4 Preview at $0.15/M vs $0.834/M input tokens.

Pokémon Battle UI Recreation

Pokémon battle screen you can actually click. One HTML file.

Loading the build
Gemini 2.5 Flash Preview 05-20
Loading the build
Hy4 Preview

Which answer wins?

Written rounds

2 prompts
  • Three minutes of stand-up. Puns are banned.

    Gemini 2.5 Flash Preview 05-20: Alright, alright, settle down you magnificent collection of human beings! You look good tonight. Not just good, but… like you've all collectively decided to nail the 'I'm here to laugh and avoid talking about my Monday' look. And I respect that. Seriously though, it's great to be back on stage. I'm living the dream.

    Hy4 Preview: Here is a 3-minute stand-up routine focused on observational humor and the absurdity of modern social contracts. Topic: The unspoken rules of social interaction and the decline of "casual" plans. Tone: Conversational, slightly exasperated, energetic. (Walk up to mic, adjust height, take a breath.

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

    Gemini 2.5 Flash Preview 05-20: Here are 5 jokes for you: 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! I told my wife she was drawing her eyebrows too high. She looked surprised.

    Hy4 Preview: Here are 5 jokes: Why don’t scientists trust atoms? Because they make up everything! What do you call a fake stone? A sham-rock! Why did the scarecrow win an award? Because he was outstanding in his field! What do you call a fake stone? A sham-rock! Why did the math book look so sad? Because it had too many problems.

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, Hy4 Preview has the edge: bigger model tier, newer. Gemini 2.5 Flash Preview 05-20 costs 4.2x less per token.

Gemini 2.5 Flash Preview 05-20 and Hy4 Preview compared across 11 shared prompts
SpecGemini 2.5 Flash Preview 05-20Hy4 Preview
Input price$0.15/M tokens$0.834/M tokens
Output price$0.6/M tokens$2.501/M tokens
Context window1.0M tokens1.0M tokens
ParametersNot disclosed770B total / 49B active
Weights—Open
Free API (OpenRouter)NoNo
ReleasedMay 2025Aug 2026
At 10M a month$1.50$1.50$8.34$8.34
1M10M100M1B10M tokens

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

Where to run it5 hosts, cheapest first
Gemini 2.5 Flash Preview 05-20

No hosts listed on OpenRouter.

Hy4 Preview5 hosts
HostInOutContextUptime
  • Tencentfp8$0.75 in·$2.25 out·1M·100% up
  • MMakorafp8$0.83 in·$2.50 out·131k·100% up
  • DDeepInfrafp8$0.83 in·$2.50 out·1M·100% up
  • NNovitafp8$0.83 in·$2.50 out·1M·97.2% up
  • SSiliconFlowfp8$0.83 in·$2.50 out·1M·99.1% up

Per million tokens. Prices and uptime via OpenRouter, checked 13 Oct 2026.

Common questions

What is the difference between Gemini 2.5 Flash Preview 05-20 and Hy4 Preview?

Gemini 2.5 Flash Preview 05-20 is developed by Google AI while Hy4 Preview is developed by Tencent. Gemini 2.5 Flash Preview 05-20 has a 1.0M token context window vs Hy4 Preview's 1.0M. You can compare their actual outputs across 11 challenges on Rival to see how they differ in practice.

Which is better, Gemini 2.5 Flash Preview 05-20 or Hy4 Preview?

It depends on your use case. Gemini 2.5 Flash Preview 05-20 and Hy4 Preview each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 11 challenges so you can judge which fits your needs best.

How much does Gemini 2.5 Flash Preview 05-20 cost compared to Hy4 Preview?

Gemini 2.5 Flash Preview 05-20 costs $0.15/M input tokens and Hy4 Preview costs $0.834/M input tokens. Gemini 2.5 Flash Preview 05-20 is $0.68/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 2.5 Flash Preview 05-20 and Hy4 Preview on Rival?

This page shows a side-by-side comparison of Gemini 2.5 Flash Preview 05-20 and Hy4 Preview 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 2.5 Flash Preview 05-20 vs Gemini 4 ArgonLanded Oct 2026
  • Hy4 Preview vs Muse WonderLanded Oct 2026
  • Gemini 2.5 Flash Preview 05-20 vs GPT-4 TurboLanded Oct 2026
  • Hy4 Preview vs Step 5 PreviewLanded Oct 2026
  • Gemini 2.5 Flash Preview 05-20 vs Claude Haiku 5.5Landed Oct 2026
  • Hy4 Preview vs Ling 3.1 FlashLanded Oct 2026
  • Gemini 2.5 Flash Preview 05-20 vs Mistral Large 4Landed Oct 2026
  • Hy4 Preview vs GPT-6.1 SolLanded Sep 2026

Same lab, same size, long tail

  • Gemini 2.5 Flash Preview 05-20 vs Gemini 3.8 FlashSame lab
  • Gemini 2.5 Flash Preview 05-20 vs Gemini 3.7 FlashVersion compare
  • Hy4 Preview vs Hy3Same lab
  • Hy4 Preview vs Gemini 4 ArgonSame size
  • Hy4 Preview vs GPT-5.1 Codex MaxSame size
  • Hy4 Preview vs GPT-5.1-Codex-MiniSame size
  • Hy4 Preview vs GPT-5.2Same size
  • Hy4 Preview vs GPT-5.2 ChatNew provider

Model pages

  • Gemini 2.5 Flash Preview 05-2011 outputs, specs and price
  • Hy4 Preview71 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