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  1. Home/
  2. Compare/
  3. Gemini 2.5 Flash Preview 05-20 vs Step 5 Preview
Updated Oct 2026

Gemini 2.5 Flash Preview 05-20 vs Step 5 Preview

Gemini 2.5 Flash Preview 05-20 is cheaper than Step 5 Preview at $0.15/M vs $1/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
Step 5 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.

    Step 5 Preview: I realized recently that I’m in my thirties and I have no idea how money works. I just... pay it. That’s my entire financial strategy. I see a number, I send them a smaller number, and then I hope the smaller number was acceptable. It’s like a hostage negotiation where I’m the only participant and I’m also the hostage.

    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.

    Step 5 Preview: Here are 5 jokes: Why did the scarecrow win an award? Because he was outstanding in his field. Why can't you trust an atom? Because they make up everything. What do you call a bike that can’t stand on its own? Two-tired. Why did the computer go to the doctor? It had a virus. Why don’t calendars ever get stressed?

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, Step 5 Preview has the edge: bigger model tier, newer. Gemini 2.5 Flash Preview 05-20 costs 4.5x less per token.

Gemini 2.5 Flash Preview 05-20 and Step 5 Preview compared across 11 shared prompts
SpecGemini 2.5 Flash Preview 05-20Step 5 Preview
Input price$0.15/M tokens$1/M tokens
Output price$0.6/M tokens$2.7/M tokens
Context window1.0M tokens1.0M tokens
Free API (OpenRouter)NoNo
ReleasedMay 2025Oct 2026
At 10M a month$1.50$1.50$10.00$10.00
1M10M100M1B10M tokens

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

Where to run it1 host
Gemini 2.5 Flash Preview 05-20

No hosts listed on OpenRouter.

Step 5 Preview1 host
HostInOutContextUptime
  • SStepFunfp8$1.00 in·$2.70 out·1M·99.2% up

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

Common questions

What is the difference between Gemini 2.5 Flash Preview 05-20 and Step 5 Preview?

Gemini 2.5 Flash Preview 05-20 is developed by Google AI while Step 5 Preview is developed by StepFun. Gemini 2.5 Flash Preview 05-20 has a 1.0M token context window vs Step 5 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 Step 5 Preview?

It depends on your use case. Gemini 2.5 Flash Preview 05-20 and Step 5 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 Step 5 Preview?

Gemini 2.5 Flash Preview 05-20 costs $0.15/M input tokens and Step 5 Preview costs $1/M input tokens. Gemini 2.5 Flash Preview 05-20 is $0.85/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 Step 5 Preview on Rival?

This page shows a side-by-side comparison of Gemini 2.5 Flash Preview 05-20 and Step 5 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

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  • Gemini 2.5 Flash Preview 05-20 vs Qwen3.8 Max PrimeLanded Sep 2026
  • Step 5 Preview vs GLM 5.3 PrimeLanded 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
  • Step 5 Preview vs Mistral Large 4Same size
  • Step 5 Preview vs Hy3Same size
  • Gemini 2.5 Flash Preview 05-20 vs Seed 2.1 TurboNew provider
  • Step 5 Preview vs Sherlock Dash AlphaSame size
  • Step 5 Preview vs Sherlock Think AlphaSame size
  • Gemini 2.5 Flash Preview 05-20 vs Solar Mini 4New provider

Model pages

  • Gemini 2.5 Flash Preview 05-2011 outputs, specs and price
  • Step 5 Preview58 outputs, specs and price
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