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  5. GPT-4vsSonoma Dusk Alpha
Updated Sep 2025

GPT-4vsSonoma Dusk Alpha

Sonoma Dusk Alpha is cheaper than GPT-4 at $0/M vs $30/M input tokens.

GPT-4 and Sonoma Dusk Alpha compared across 10 shared prompts
SpecGPT-4Sonoma Dusk Alpha
Input price$30/M tokensFree
Output price$60/M tokensFree
Context window8K tokens2.0M tokens
WeightsClosed—
Free API (OpenRouter)NoNo
ReleasedMay 2023Sep 2025
Side by side

Same prompt, both answers

Opening lines from 2 of the 10 prompts both answered. Formatting stripped, words untouched.

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

GPT-4172 words
Dish Name: Hearty Baked Beans Fiesta Ingredients: 2 cans of baked beans 1 large onion 3 cloves of garlic 1 bell pepper 1 can of sweet corn 2 tablespoons of olive oil Salt & pepper to taste Instructions: Preheat your oven to 350°F (175°C). Dice the onion, bell pepper, and mince the garlic.
Read the full answer
Sonoma Dusk Alpha193 words
Pantry Power Pasta Primavera This savory one-pan pasta dish transforms basic pantry staples into a creamy, garlicky delight with a hint of freshness from canned tomatoes. It's quick, comforting, and perfect for a weeknight meal. Serves 2-4.
Read the full answer

Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

GPT-4375 words
Title: 1-Month Plan for Better Health and Longevity Week 1 - Establishing a Healthy Diet 1.1: Start Eating Whole Foods: Begin by gradually replacing processed foods in your diet with whole foods. This may include fruits, vegetables, lean proteins, and whole grains.
Read the full answer
Sonoma Dusk Alpha713 words
1-Month Plan for Better Health and Longevity This plan is designed for beginners, emphasizing gradual changes to build sustainable habits. We'll focus on three key areas: diet, exercise, and sleep. Each area includes weekly goals to make progress feel achievable. Track your efforts in a simple journal or app.
Read the full answer
Our Verdict
GPT-4
GPT-4
Sonoma Dusk Alpha
Sonoma Dusk Alpha

Not enough votes to call it. On the specs, nothing separates them.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GPT-4
Input
$30.00
Output
$60.00
Sonoma Dusk Alpha
Input
$0.000
Output
$0.000
Where to run it

2 hosts

GPT-42 hosts
HostInOutContextUptime
Azure AI Foundry$30.00 in·$60.00 out·8k·99.9% upOpenAI$30.00 in·$60.00 out·8k·100% up
Sonoma Dusk Alpha

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 20 Sep 2026.

Writing DNA

Style Comparison

Similarity
64%

Sonoma Dusk Alpha uses 143.6x more headings

GPT-4
Sonoma Dusk Alpha
59%Vocabulary65%
18wSentence Length15w
1.10Hedging0.54
0.8Bold1.2
2.5Lists2.1
0.00Emoji0.00
0.00Headings1.44
0.45Transitions0.33
Based on 15 + 14 text responses
Research

What we learned reading every model

FAQ

Common questions

GPT-4 is developed by OpenAI while Sonoma Dusk Alpha is developed by OpenRouter. GPT-4 has a 8K token context window vs Sonoma Dusk Alpha's 2.0M. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT-4 and Sonoma Dusk Alpha each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.

GPT-4 costs $30/M input tokens and Sonoma Dusk Alpha costs $0/M input tokens. Sonoma Dusk Alpha is $30.00/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 GPT-4 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.

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Model pages

GPT-4 logo
GPT-426 outputs, specs and price
Sonoma Dusk Alpha logo
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