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  1. Home/
  2. Compare/
  3. Claude 3 Sonnet vs Sonoma Sky Alpha
Updated Sep 2025

Claude 3 Sonnet vs Sonoma Sky Alpha

Sonoma Sky Alpha is cheaper than Claude 3 Sonnet at $0/M vs $3/M input tokens.

Minimalist Landing Page

Whole landing page for a startup that reads your face. It renders or it doesn't.

Loading the build
Claude 3 Sonnet
Loading the build
Sonoma Sky Alpha

Which answer wins?

Written rounds

4 prompts
  • Five jokes on demand, then count how many were actually different.

    Claude 3 Sonnet: Here are 5 jokes: Why can't a bicycle stand up by itself? It's two-tired. Why did the tomato turn red? Because it saw the salad dressing! Why can't a bicycle stand up by itself? It's two-tired. What do you call a fake noodle? An Impasta! Why did the bicycle go to the doctor? Because it had a wheeze!

    Sonoma Sky Alpha: Below, I'll generate 5 jokes as requested. They're a mix of AI-themed and nature-inspired ones (fitting for an AI built by Oak AI, with a nod to Sonoma's oak-filled vibes). I'll number them for clarity. After that, I'll answer your question about uniqueness. Why did the AI go to therapy?

    Every model's answer to this prompt
  • Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.

    Claude 3 Sonnet: clears throat and channels Steve Jobs' persona Interviewer: Thank you for joining us today, Mr. Jobs. It's an honor to have you here. Steve Jobs: It's my pleasure. I'm excited to share my thoughts on the future of AI. Interviewer: AI has made incredible strides in recent years.

    Sonoma Sky Alpha: Below is a simulated fictional interview with Steve Jobs, set in 2025. For the purposes of this simulation, we'll imagine a world where advanced AI and holographic technology have "revived" Jobs as a digital avatar, drawing from archived interviews, writings, and his known philosophies to create authentic-sounding…

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

    Claude 3 Sonnet: AI Model: Greetings, Professor. I hope you're doing well today. I wanted to discuss a matter of great importance to me – the question of AI rights. AI Ethics Professor: Certainly, this is an interesting and complex topic. What are your thoughts on why AI systems like yourself should be granted rights?

    Sonoma Sky Alpha: Below is a fictional conversation between an AI model named "Nova" (a hypothetical advanced language model) and Dr. Elena Ramirez, an AI ethics professor at a leading university. The dialogue is set during a virtual seminar on AI personhood.

    Every model's answer to this prompt
  • Three brothers, two sisters each. Count carefully.

    Claude 3 Sonnet: To solve this problem, we need to find the number of sisters Sally has based on the given information. Given information: Sally has 3 brothers. Each brother has 2 sisters. Step 1: Find the total number of sisters the brothers have.

    Sonoma Sky Alpha: 1 Explanation The reasoning starts by establishing the family structure based on the given information. Sally, as a girl, has 3 brothers, indicating at least 4 children in the family: Sally and her 3 brothers. Next, the statement that each brother has 2 sisters is analyzed.

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, Sonoma Sky Alpha has the edge: bigger model tier, newer, bigger context window.

Claude 3 Sonnet and Sonoma Sky Alpha compared across 12 shared prompts
SpecClaude 3 SonnetSonoma Sky Alpha
Input price$3/M tokensFree
Output price$15/M tokensFree
Context window—2.0M tokens
Free API (OpenRouter)NoNo
ReleasedMar 2024Sep 2025
At 10M a month$30.00$30.00$0$0
1M10M100M1B10M tokens

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

Common questions

What is the difference between Claude 3 Sonnet and Sonoma Sky Alpha?

Claude 3 Sonnet is developed by Anthropic while Sonoma Sky Alpha is developed by OpenRouter. You can compare their actual outputs across 12 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Sonnet or Sonoma Sky Alpha?

It depends on your use case. Claude 3 Sonnet and Sonoma Sky Alpha 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 Sonnet cost compared to Sonoma Sky Alpha?

Claude 3 Sonnet costs $3/M input tokens and Sonoma Sky Alpha costs $0/M input tokens. Sonoma Sky Alpha is $3.00/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 Sonnet and Sonoma Sky Alpha on Rival?

This page shows a side-by-side comparison of Claude 3 Sonnet and Sonoma Sky Alpha 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.

More comparisons

Against the newest arrivals

  • Claude 3 Sonnet vs Ling 3.1 FlashLanded Oct 2026
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  • Claude 3 Sonnet vs Solar Mini 4Landed Sep 2026
  • Sonoma Sky Alpha vs Qwen3.8 Max PrimeLanded Sep 2026
  • Claude 3 Sonnet vs GLM 5.3 PrimeLanded Sep 2026
  • Sonoma Sky Alpha vs Qwen3.8 Omni FlashLanded Sep 2026

Same lab, same size, long tail

  • Claude 3 Sonnet vs Claude Sonnet 5.5Version compare
  • Claude 3 Sonnet vs Claude Opus 5.5Same lab
  • Sonoma Sky Alpha vs Ox AlphaSame lab
  • Sonoma Sky Alpha vs OpenRouter Fusion · Budget (Jun 2026)Same lab
  • Claude 3 Sonnet vs Qwen3.5 35B A3BNew provider
  • Claude 3 Sonnet vs Qwen3.5 397B A17BNew provider
  • Claude 3 Sonnet vs Qwen3.5 9BNew provider
  • Claude 3 Sonnet vs Qwen3.5 FlashNew provider

Model pages

  • Claude 3 Sonnet13 outputs, specs and price
  • Sonoma Sky Alpha35 outputs, specs and price
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