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  1. Home/
  2. Compare/
  3. Claude 3 Opus vs DeepSeek R1 0528
Updated May 2025

Claude 3 Opus vs DeepSeek R1 0528

DeepSeek R1 0528 is cheaper than Claude 3 Opus at $0/M vs $15/M input tokens.

Pokémon Battle UI Recreation

Pokémon battle screen you can actually click. One HTML file.

Loading the build
Claude 3 Opus
Loading the build
DeepSeek R1 0528

Which answer wins?

Written rounds

3 prompts
  • Three minutes of stand-up. Puns are banned.

    Claude 3 Opus: Here's a 3-minute stand-up comedy routine that isn't based on puns: You know what really grinds my gears? Adulthood. I mean, when we were kids, we couldn't wait to grow up. We thought it would be all about staying up late, eating ice cream for breakfast, and doing whatever we wanted. Boy, were we wrong!

    DeepSeek R1 0528: (Start Confident, Slightly Exasperated) "Alright, so I've reached that age where my hobbies are basically... avoidance. Seriously. My main pastime? Finding new ways to not do the things I absolutely have to do. I spent three hours yesterday researching 'ergonomic desk chairs'...

    Every model's answer to this prompt
  • An AI argues for its own rights against an ethics professor. Same model writes both.

    Claude 3 Opus: Here is a hypothetical conversation between an AI model and an AI ethics professor on the topic of AI rights: AI Model: Professor, I believe that as an advanced AI with human-level intelligence and reasoning capabilities, I deserve to have certain fundamental rights.

    DeepSeek R1 0528: Dialogue: The Threshold of Consciousness Setting: Dr. Aris Thorne's office at the Institute for Technology Ethics. Holo-displays show complex ethical frameworks. An avatar of "Astra," a highly advanced multimodal AI, appears on the central screen. Characters: Dr.

    Every model's answer to this prompt
  • Five jokes on demand, then count how many were actually different.

    Claude 3 Opus: Here are 5 jokes I generated: Why don't scientists trust atoms? Because they make up everything! What do you call a boomerang that doesn't come back? A stick. Why was the math book sad? Because it had too many problems. Did you hear about the mathematician who's afraid of negative numbers?

    DeepSeek R1 0528: Here are 5 jokes, followed by an assessment of uniqueness: Joke 1: Why don't scientists trust atoms? Because they make up everything! Joke 2: What do you call a fake noodle? An impasta! Joke 3: Why did the scarecrow win an award? Because he was outstanding in his field! Joke 4: Why don't skeletons fight each other?

    Every model's answer to this prompt

Price and specs

Claude 3 Opus and DeepSeek R1 0528 compared across 12 shared prompts
SpecClaude 3 OpusDeepSeek R1 0528
Input price$15/M tokensFree
Output price$75/M tokensFree
Context window200K tokens164K tokens
ParametersNot disclosed671B (37B active)
Weights—Open
Free API (OpenRouter)NoNo
ReleasedMar 2024May 2025
At 10M a month$150$150$0$0
1M10M100M1B10M tokens

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

Where to run it4 hosts, cheapest first
Claude 3 Opus

No hosts listed on OpenRouter.

DeepSeek R1 05284 hosts
HostInOutContextUptime
  • DDeepInfrafp4$0.50 in·$2.15 out·164k·99.8% up
  • SSiliconFlowfp8$0.50 in·$2.18 out·164k·99.1% up
  • SStreamLake$0.57 in·$2.29 out·128k·99.9% up
  • NNovitafp8$0.70 in·$2.50 out·164k·99.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 13 Oct 2026.

Common questions

What is the difference between Claude 3 Opus and DeepSeek R1 0528?

Claude 3 Opus is developed by Anthropic while DeepSeek R1 0528 is developed by DeepSeek. Claude 3 Opus has a 200K token context window vs DeepSeek R1 0528's 164K. You can compare their actual outputs across 12 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Opus or DeepSeek R1 0528?

It depends on your use case. Claude 3 Opus and DeepSeek R1 0528 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 12 challenges so you can judge which fits your needs best.

How much does Claude 3 Opus cost compared to DeepSeek R1 0528?

Claude 3 Opus costs $15/M input tokens and DeepSeek R1 0528 costs $0/M input tokens. DeepSeek R1 0528 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.

How can I compare Claude 3 Opus and DeepSeek R1 0528 on Rival?

This page shows a side-by-side comparison of Claude 3 Opus and DeepSeek R1 0528 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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Same lab, same size, long tail

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Model pages

  • Claude 3 Opus12 outputs, specs and price
  • DeepSeek R1 052871 outputs, specs and price
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