DeepSeek V4 Flash 0731 vs 
Gemini 2.5 Flash Preview 05-20 (thinking)
DeepSeek V4 Flash 0731 is cheaper than Gemini 2.5 Flash Preview 05-20 (thinking) at $0.14/M vs $0.15/M input tokens.
Pokémon Battle UI Recreation
Pokémon battle screen you can actually click. One HTML file.
Loading the build
Loading the build
Which answer wins?
Written rounds
2 promptsThree minutes of stand-up. Puns are banned.
DeepSeek V4 Flash 0731: (Walks on stage, adjusts mic, takes a sip of water. Waves to the back row.) Alright, how's everyone doing tonight? Good, good. You know, I was thinking about this on the way here. I’m at that age now where I have a favorite spatula. I have opinions on paper towels.
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?
Five jokes on demand, then count how many were actually different.
DeepSeek V4 Flash 0731: Here are 5 jokes: Why don’t scientists trust atoms? Because they make up everything. I told my wife she should embrace her mistakes. She gave me a hug. Why did the scarecrow win an award? Because he was outstanding in his field. I’m reading a book on anti-gravity. It’s impossible to put down.
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.
Price and specs
Not enough votes to call it. On the specs, DeepSeek V4 Flash 0731 has the edge: bigger model tier, newer. DeepSeek V4 Flash 0731 costs 12x less per token.
| Spec | DeepSeek V4 Flash 0731 | Gemini 2.5 Flash Preview 05-20 (thinking) |
|---|---|---|
| Input price | $0.14/M tokens | $0.15/M tokens |
| Output price | $0.28/M tokens | $3.5/M tokens |
| Context window | 1.0M tokens | 1.0M tokens |
| Weights | Open | — |
| Free API (OpenRouter) | No | No |
| Released | Jul 2026 | May 2025 |
| At 10M a month | $1.40 | $1.50 |
Input tokens at list price. No caching, no batch discount.
Where to run it
DeepSeek V4 Flash 073124 hosts
- OpenInferencefp4$0.01 in$1.54 out1M99% up
- Relacefp4$0.01 in$1.28 out1M100% up
- Reka$0.02 in$0.53 out262k96.7% up
- DeepInfrafp8$0.06 in$0.18 out1M100% up
- StreamLakefp8$0.09 in$0.26 out1M100% up
- Sail Researchfp4$0.10 in$0.30 out1M100% up
18 more hostsFewer hosts
- DigitalOcean$0.12 in$0.24 out1M100% up
- Wafer$0.13 in$0.23 out1M100% up
- Basetenfp8$0.13 in$0.26 out1M99.9% up
- Venice$0.13 in$0.26 out1M99.9% up
- CoreWeavefp8$0.13 in$0.28 out262k100% up
- Cohere$0.14 in$0.28 out1M99.4% up
- Parasailfp8$0.14 in$0.28 out1M100% up
- Together$0.14 in$0.28 out1M100% up
- Inceptronfp4$0.15 in$0.60 out1M99% up
- Mancerfp8$0.20 in$0.60 out1M99.7% up
- SiliconFlowfp8$0.22 in$0.66 out1M99.5% up
- GMI Cloudfp8$0.29 in$0.86 out1M100% up
- Phala$0.31 in$0.92 out1M100% up
- Alibaba Cloud$0.35 in$1.06 out1M100% up
- Novitafp8$0.41 in$1.23 out1M100% up
- AtlasCloudfp4$0.44 in$1.32 out1M100% up
- Baidu Qianfanfp8$0.44 in$1.32 out1M99.9% up
- Cloudflare Workers AI$0.44 in$1.32 out1M99.1% up
Gemini 2.5 Flash Preview 05-20 (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 DeepSeek V4 Flash 0731 and Gemini 2.5 Flash Preview 05-20 (thinking)?
DeepSeek V4 Flash 0731 is developed by DeepSeek while Gemini 2.5 Flash Preview 05-20 (thinking) is developed by Google AI. DeepSeek V4 Flash 0731 has a 1.0M token context window vs Gemini 2.5 Flash Preview 05-20 (thinking)'s 1.0M. You can compare their actual outputs across 11 challenges on Rival to see how they differ in practice.
Which is better, DeepSeek V4 Flash 0731 or Gemini 2.5 Flash Preview 05-20 (thinking)?
It depends on your use case. DeepSeek V4 Flash 0731 and Gemini 2.5 Flash Preview 05-20 (thinking) 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 DeepSeek V4 Flash 0731 cost compared to Gemini 2.5 Flash Preview 05-20 (thinking)?
DeepSeek V4 Flash 0731 costs $0.14/M input tokens and Gemini 2.5 Flash Preview 05-20 (thinking) costs $0.15/M input tokens. DeepSeek V4 Flash 0731 is $0.01/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 DeepSeek V4 Flash 0731 and Gemini 2.5 Flash Preview 05-20 (thinking) on Rival?
This page shows a side-by-side comparison of DeepSeek V4 Flash 0731 and Gemini 2.5 Flash Preview 05-20 (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.
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