Gemini 2.5 Flash Preview 05-20 (thinking) vs Gemini 3.7 Flash
Gemini 2.5 Flash Preview 05-20 (thinking) is cheaper than Gemini 3.7 Flash at $0.15/M vs $0.375/M input tokens.
Pokémon Battle UI Recreation
Pokémon battle screen you can actually click. One HTML file.
Loading the build
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Which answer wins?
Written rounds
2 promptsThree minutes of stand-up. Puns are banned.
Gemini 2.5 Flash Preview 05-20 (thinking): (Lights up on a stage. Comedian walks to center, adjusts mic, smiles warmly.) \"Alright, alright, settle down you crazy people! Thanks for having me. (Pause fo r applause/laughter) You know, I was scrolling through Instagram earlier, and it\'s just a constant ba rrage of people \'living thei r best life,\' isn\'t it?
Gemini 3.7 Flash: (Stage directions included for pacing and delivery. Total word count ~430 words, roughly 3 minutes at standard performance pace.) [Walks up to the mic, adjusts the stand, looks at the crowd with mild exhaustion] I recently turned thirty-two, which means my body has officially transitioned from “invincible biological…
Five jokes on demand, then count how many were actually different.
Gemini 2.5 Flash Preview 05-20 (thinking): 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! I told my wife she was drawing her eyebrows too high. She looked surprised.
Gemini 3.7 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 did the bicycle fall over? Because it was two-tired.
Price and specs
Not enough votes to call it. On the specs, Gemini 3.7 Flash has the edge: bigger model tier, newer.
| Spec | Gemini 2.5 Flash Preview 05-20 (thinking) | Gemini 3.7 Flash |
|---|---|---|
| Input price | $0.15/M tokens | $0.375/M tokens |
| Output price | $3.5/M tokens | $1.875/M tokens |
| Context window | 1.0M tokens | 1.0M tokens |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | May 2025 | Aug 2026 |
| At 10M a month | $1.50 | $3.75 |
Input tokens at list price. No caching, no batch discount.
Where to run it
Gemini 2.5 Flash Preview 05-20 (thinking)
No hosts listed on OpenRouter.
Gemini 3.7 Flash2 hosts
Per million tokens. Prices and uptime via OpenRouter, checked 2 Oct 2026.
Common questions
What is the difference between Gemini 2.5 Flash Preview 05-20 (thinking) and Gemini 3.7 Flash?
Both are developed by Google AI but target different use cases. Gemini 2.5 Flash Preview 05-20 (thinking) has a 1.0M token context window vs Gemini 3.7 Flash'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 (thinking) or Gemini 3.7 Flash?
It depends on your use case. Gemini 2.5 Flash Preview 05-20 (thinking) and Gemini 3.7 Flash 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 (thinking) cost compared to Gemini 3.7 Flash?
Gemini 2.5 Flash Preview 05-20 (thinking) costs $0.15/M input tokens and Gemini 3.7 Flash costs $0.375/M input tokens. Gemini 2.5 Flash Preview 05-20 (thinking) is $0.23/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 (thinking) and Gemini 3.7 Flash on Rival?
This page shows a side-by-side comparison of Gemini 2.5 Flash Preview 05-20 (thinking) and Gemini 3.7 Flash 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.
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