DeepSeek Prover V2 vs 
Laguna S 2.1 (free)
Laguna S 2.1 (free) has a larger context window than DeepSeek Prover V2 (262K tokens vs 164K tokens).
Interactive Catan Board
Hex grid you can resize with a slider. Geometry plus state.
Loading the build
Loading the build
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.
Laguna S 2.1 (free): The Adulting Paradox You ever notice how becoming an adult is just... disappointing? Like, we spend our whole childhood waiting to be grown-ups, and then it turns out adulthood is just... taxes and existential dread. When I was a kid, I thought adults had it all figured out.
Price and specs
| Spec | DeepSeek Prover V2 | Laguna S 2.1 (free) |
|---|---|---|
| Input price | Free | Free |
| Output price | Free | Free |
| Context window | 164K tokens | 262K tokens |
| Weights | Open | — |
| Free API (OpenRouter) | No | Yes (1 provider) |
| Released | Apr 2025 | Jul 2026 |
| At 10M a month | $0 | $0 |
Input tokens at list price. No caching, no batch discount.
Where to run it
DeepSeek Prover V2
No hosts listed on OpenRouter.
Laguna S 2.1 (free)1 host
Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.
Common questions
What is the difference between DeepSeek Prover V2 and Laguna S 2.1 (free)?
DeepSeek Prover V2 is developed by DeepSeek while Laguna S 2.1 (free) is developed by Poolside. DeepSeek Prover V2 has a 164K token context window vs Laguna S 2.1 (free)'s 262K. You can compare their actual outputs across 4 challenges on Rival to see how they differ in practice.
Which is better, DeepSeek Prover V2 or Laguna S 2.1 (free)?
It depends on your use case. DeepSeek Prover V2 and Laguna S 2.1 (free) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 4 challenges so you can judge which fits your needs best.
How much does DeepSeek Prover V2 cost compared to Laguna S 2.1 (free)?
DeepSeek Prover V2 costs $0/M input tokens and Laguna S 2.1 (free) costs $0/M input tokens. Laguna S 2.1 (free) is $0.00/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 Laguna S 2.1 (free) on Rival?
This page shows a side-by-side comparison of DeepSeek Prover V2 and Laguna S 2.1 (free) 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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