DeepSeek Prover V2 vs 
Grok 4.20 Beta
DeepSeek Prover V2 is cheaper than Grok 4.20 Beta at $0/M vs $2/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
1 promptThree minutes of stand-up. Puns are banned.
DeepSeek Prover V2: 3-Minute Stand-Up Comedy Routine Opening: Hey everyone! How's it going? You know, I've been thinking a lot about relationships lately. Not because I'm in one, but because I'm not. And that's the problem. I'm single, and I'm starting to think that my dating profile is the reason why.
Grok 4.20 Beta: Stand-up Routine: "Adulting is a Scam" (Lights up. Comedian walks out with a coffee cup, takes a sip, immediately looks disappointed.) You ever notice how nobody warns you that being an adult is just childhood with bills and worse snacks?
Price and specs
Not enough votes to call it. On the specs, Grok 4.20 Beta has the edge: newer, bigger context window.
| Spec | DeepSeek Prover V2 | Grok 4.20 Beta |
|---|---|---|
| Input price | Free | $2/M tokens |
| Output price | Free | $6/M tokens |
| Context window | 164K tokens | 2.0M tokens |
| Weights | Open | Closed |
| Free API (OpenRouter) | No | No |
| Released | Apr 2025 | Mar 2026 |
| At 10M a month | $0 | $20.00 |
Input tokens at list price. No caching, no batch discount.
Where to run it
DeepSeek Prover V2
No hosts listed on OpenRouter.
Grok 4.20 Beta1 host
Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.
Common questions
What is the difference between DeepSeek Prover V2 and Grok 4.20 Beta?
DeepSeek Prover V2 is developed by DeepSeek while Grok 4.20 Beta is developed by xAI. DeepSeek Prover V2 has a 164K token context window vs Grok 4.20 Beta's 2.0M. You can compare their actual outputs across 6 challenges on Rival to see how they differ in practice.
Which is better, DeepSeek Prover V2 or Grok 4.20 Beta?
It depends on your use case. DeepSeek Prover V2 and Grok 4.20 Beta each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 6 challenges so you can judge which fits your needs best.
How much does DeepSeek Prover V2 cost compared to Grok 4.20 Beta?
DeepSeek Prover V2 costs $0/M input tokens and Grok 4.20 Beta costs $2/M input tokens. DeepSeek Prover V2 is $2.00/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 Prover V2 and Grok 4.20 Beta on Rival?
This page shows a side-by-side comparison of DeepSeek Prover V2 and Grok 4.20 Beta 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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