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  1. Home/
  2. Compare/
  3. DeepSeek Prover V2 vs GPT-6.1 Sol
Updated Sep 2026

DeepSeek Prover V2 vs GPT-6.1 Sol

DeepSeek Prover V2 is cheaper than GPT-6.1 Sol 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
DeepSeek Prover V2
Loading the build
GPT-6.1 Sol

Which answer wins?

Written rounds

1 prompt
  • Three 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.

    GPT-6.1 Sol: I’m at the age where “a big weekend” means I went to two stores. Not two stores in the same shopping center. Two separate stores. Moved the car and everything. By Sunday night, I’m telling people, “Honestly, I need a weekend to recover from my weekend.”

    Every model's answer to this prompt

Price and specs

DeepSeek Prover V2 and GPT-6.1 Sol compared across 6 shared prompts
SpecDeepSeek Prover V2GPT-6.1 Sol
Input priceFree$2/M tokens
Output priceFree$10/M tokens
Context window164K tokens1.1M tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedApr 2025Sep 2026
At 10M a month$0$0$20.00$20.00
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Where to run it2 hosts
DeepSeek Prover V2

No hosts listed on OpenRouter.

GPT-6.1 Sol2 hosts
HostInOutContextUptime
  • Azure AI Foundry$2.00 in·$10.00 out·1.1M·99.9% up
  • OpenAI$2.00 in·$10.00 out·1.1M·99.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 30 Sep 2026.

Common questions

What is the difference between DeepSeek Prover V2 and GPT-6.1 Sol?

DeepSeek Prover V2 is developed by DeepSeek while GPT-6.1 Sol is developed by OpenAI. DeepSeek Prover V2 has a 164K token context window vs GPT-6.1 Sol's 1.1M. 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 GPT-6.1 Sol?

It depends on your use case. DeepSeek Prover V2 and GPT-6.1 Sol 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 GPT-6.1 Sol?

DeepSeek Prover V2 costs $0/M input tokens and GPT-6.1 Sol 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 GPT-6.1 Sol on Rival?

This page shows a side-by-side comparison of DeepSeek Prover V2 and GPT-6.1 Sol 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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Model pages

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  • GPT-6.1 Sol58 outputs, specs and price
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