What is the difference between GPT-4.1 and Sonoma Dusk Alpha?

GPT-4.1 is developed by OpenAI while Sonoma Dusk Alpha is developed by OpenRouter. GPT-4.1 has a 1.0M token context window vs Sonoma Dusk Alpha's 2.0M. You can compare their actual outputs across 35 challenges on Rival to see how they differ in practice.

Which is better, GPT-4.1 or Sonoma Dusk Alpha?

It depends on your use case. GPT-4.1 and Sonoma Dusk Alpha each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 35 challenges so you can judge which fits your needs best.

How much does GPT-4.1 cost compared to Sonoma Dusk Alpha?

GPT-4.1 costs $2/M input tokens and Sonoma Dusk Alpha costs $0/M input tokens. Sonoma Dusk Alpha 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 GPT-4.1 and Sonoma Dusk Alpha on Rival?

This page shows a side-by-side comparison of GPT-4.1 and Sonoma Dusk 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.

Updated Sep 2025

GPT-4.1vsSonoma Dusk Alpha

Sonoma Dusk Alpha is cheaper than GPT-4.1 at $0/M vs $2/M input tokens.

GPT-4.1 and Sonoma Dusk Alpha compared across 35 shared prompts
Spec	GPT-4.1	Sonoma Dusk Alpha
Input price	$2/M tokens	Free
Output price	$8/M tokens	Free
Context window	1.0M tokens	2.0M tokens
Weights	Closed	—
Free API (OpenRouter)	No	No
Released	Apr 2025	Sep 2025