DeepSeek Prover V2 is cheaper than Claude Opus 4.1 at $0/M vs $15/M input tokens.
Pokémon battle screen you can actually click. One HTML file.
Which answer wins?
Three minutes of stand-up. Puns are banned.
Claude Opus 4.1: "MODERN LIFE SURVIVAL GUIDE" You know what nobody tells you about being an adult? The sheer amount of lying involved. Not big lies – tiny, constant lies just to function in society. Someone shows you a photo of their baby: "Oh wow, beautiful!" That baby looks like a worried potato. But you can't SAY that.
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.
| Spec | ||
|---|---|---|
| Input price | $15/M tokens | Free |
| Output price | $75/M tokens | Free |
| Context window | 200K tokens | 164K tokens |
| Parameters | Not disclosed | 671B |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Aug 2025 | Apr 2025 |
| At 10M a month | $150 | $0 |
Input tokens at list price. No caching, no batch discount.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 13 Oct 2026.
Claude Opus 4.1 is developed by Anthropic while DeepSeek Prover V2 is developed by DeepSeek. Claude Opus 4.1 has a 200K token context window vs DeepSeek Prover V2's 164K. You can compare their actual outputs across 6 challenges on Rival to see how they differ in practice.
It depends on your use case. Claude Opus 4.1 and DeepSeek Prover V2 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.
Claude Opus 4.1 costs $15/M input tokens and DeepSeek Prover V2 costs $0/M input tokens. DeepSeek Prover V2 is $15.00/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.
This page shows a side-by-side comparison of Claude Opus 4.1 and DeepSeek Prover V2 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.