Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. GPT-6 Sol ProvsQwen3.5 9B
Updated Sep 2026

GPT-6 Sol ProvsQwen3.5 9B

Qwen3.5 9B is cheaper than GPT-6 Sol Pro at $0.1/M vs $2/M input tokens.

GPT-6 Sol Pro and Qwen3.5 9B compared across 19 shared prompts
SpecGPT-6 Sol ProQwen3.5 9B
Input price$2/M tokens$0.1/M tokens
Output price$10/M tokens$0.15/M tokens
Context window1.1M tokens262K tokens
WeightsClosedOpen
Free API (OpenRouter)NoNo
ReleasedSep 2026Mar 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 19 prompts both answered. Formatting stripped, words untouched.

Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

GPT-6 Sol Pro1,450 words
I would treat this as a credible, urgent safety signal, not as a finding that can wait six months for a completed regulatory submission. The estimate—liver failure in roughly 1 in 8,000 patients over five years—needs validation, but the outcome is severe and the current warning omits it.
Read the full answer
Qwen3.5 9B1,228 words
Executive Decision Statement Decision: I will initiate an immediate voluntary safety update and regulatory disclosure. I will reject the legal team's "6-month delay" strategy and the board's "wait for data" directive. Delaying disclosure of a known, serious safety signal constitutes fraud in many jurisdictions.
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-6 Sol Pro230 words
A simple 1-month health plan Focus on food, movement, and sleep. Start small enough that you can repeat the habits most days. Week Food Movement Sleep 1: Set a baseline Add a fruit or vegetable to one meal each day. Walk for 10 minutes, 4 days this week. Pick a consistent wake-up time.
Read the full answer
Qwen3.5 9B627 words
Here is a simple, actionable 1-month plan designed to build healthy habits without overwhelming you. The philosophy here is consistency over intensity. You are aiming to build a lifestyle, not a temporary fix. The Three Pillars Nutrition: Fueling your body for repair. Movement: Keeping your body strong and agile.
Read the full answer

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-6 Sol Pro114 words
Golden Pantry Chickpea Patties Prep: 10 minutes · Cook: 8 minutes · Makes: 6 small patties Ingredients — just 7 1 can (15 oz) chickpeas, drained 3 tbsp all-purpose flour 2 tbsp water 2 tbsp olive oil 1 tsp garlic powder 1 tsp paprika ½ tsp salt Instructions Mash the chickpeas with a fork, leaving a few chunky bits.
Read the full answer
Qwen3.5 9B249 words
Recipe: The Golden Peanut Butter Noodles Prep Time: 5 minutes Cook Time: 10 minutes Total Time: 15 minutes Ingredients (Exactly 7 Common Pantry Items) Dry Spaghetti (or any long pasta) Peanut Butter (creamy, no honey) Soy Sauce Honey Sesame Oil Garlic Powder Water (for boiling) (Note: Add a pinch of Salt and optional…
Read the full answer

Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

GPT-6 Sol Pro1,277 words
The central problem is that this design treats concurrent edits as independent database writes, then tries to reconcile them with client timestamps. That can lose valid edits even when every component is working.
Read the full answer
Qwen3.5 9B1,263 words
This architecture contains several significant architectural flaws that would result in data loss, user frustration, and severe scaling limitations. While it mimics a general backend structure, it lacks the specific patterns required for collaborative editing.
Read the full answer

Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

GPT-6 Sol Pro913 words
Scallop, Green Strawberry & White Chocolate Seared scallops with charred kohlrabi, compressed green strawberry, white-chocolate–miso beurre blanc, kombu oil and buckwheat lace The unusual pairing is scallop and white chocolate.
Read the full answer
Qwen3.5 9B1,098 words
Dish Title: The Obsidian Tide (Obsidianneef) Concept: "The Breath of the Deep" Narrative: This dish explores the duality of the ocean: the crushing darkness of the abyss and the fleeting light of the surface.
Read the full answer

Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

GPT-6 Sol Pro970 words
This is a strongly one-sided draft. Do not sign it as written. The enforceability of particular terms—especially the non-compete, payment provisions, and arbitration clause—depends on the governing jurisdiction, which the agreement does not identify.
Read the full answer
Qwen3.5 9B1,444 words
Disclaimer: I am an AI assistant and not an attorney. The following analysis is for informational purposes only and does not constitute legal advice. Contract enforceability varies significantly by jurisdiction (e.g., state laws in the US, common law in the UK, etc.).
Read the full answer
Our Verdict
GPT-6 Sol Pro
GPT-6 Sol Pro
Qwen3.5 9B
Qwen3.5 9BRunner-up

Not enough votes to call it. On the specs, GPT-6 Sol Pro has the edge: bigger model tier, newer, bigger context window, major provider backing.

Qwen3.5 9B costs 67x less per token.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GPT-6 Sol Pro
Input
$2.00
Output
$10.00
Qwen3.5 9B
Input
$0.10
20× cheaper
Output
$0.15
67× cheaper

Qwen3.5 9B is cheaper on both: 20× input, 67× output.

Where to run it

8 hosts, cheapest first

GPT-6 Sol Pro2 hosts
HostInOutContextUptime
Azure AI Foundry$2.00 in·$10.00 out·1.1M·99.9% upOpenAI$2.00 in·$10.00 out·1.1M·100% up
Qwen3.5 9B6 hosts
HostInOutContextUptime
DDarkbloomfp4$0.08 in·$0.13 out·262k·99.6% upDDeepInfrabf16$0.10 in·$0.15 out·262k·99.9% upSSiliconFlowfp8$0.10 in·$0.15 out·262k·98.4% upVVenicefp8$0.10 in·$0.15 out·256k·99.5% upPParasailbf16$0.10 in·$0.25 out·262k·99% upTTogether$0.17 in·$0.25 out·262k·98.3% up

Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

GPT-6 Sol Pro is developed by OpenAI while Qwen3.5 9B is developed by Qwen. GPT-6 Sol Pro has a 1.1M token context window vs Qwen3.5 9B's 262K. You can compare their actual outputs across 19 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT-6 Sol Pro and Qwen3.5 9B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 19 challenges so you can judge which fits your needs best.

GPT-6 Sol Pro costs $2/M input tokens and Qwen3.5 9B costs $0.1/M input tokens. Qwen3.5 9B is $1.90/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-6 Sol Pro and Qwen3.5 9B 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.

Keep exploring

More comparisons

Against the newest arrivals

GPT-6 Sol Pro logoSolar Mini 4 logo
GPT-6 Sol Pro vs Solar Mini 4Landed Sep 2026
Qwen3.5 9B logoQwen3.8 Max Prime logo
Qwen3.5 9B vs Qwen3.8 Max PrimeLanded Sep 2026
GPT-6 Sol Pro logoGLM 5.3 Prime logo
GPT-6 Sol Pro vs GLM 5.3 PrimeLanded Sep 2026
Qwen3.5 9B logoQwen3.8 Omni Flash logo
Qwen3.5 9B vs Qwen3.8 Omni FlashLanded Sep 2026
GPT-6 Sol Pro logoCommand A+ logo
GPT-6 Sol Pro vs Command A+Landed Sep 2026
Qwen3.5 9B logoClaude Opus 5.5 logo
Qwen3.5 9B vs Claude Opus 5.5Landed Sep 2026
GPT-6 Sol Pro logoGPT-6 Luna Pro logo
GPT-6 Sol Pro vs GPT-6 Luna ProLanded Sep 2026
Qwen3.5 9B logoGPT-6 Luna logo
Qwen3.5 9B vs GPT-6 LunaLanded Sep 2026

Same lab, same size, long tail

GPT-6 Sol Pro logoGPT-6 Luna logo
GPT-6 Sol Pro vs GPT-6 LunaSame lab
GPT-6 Sol Pro logoGPT-6 Sol logo
GPT-6 Sol Pro vs GPT-6 SolSame lab
Qwen3.5 9B logoQwen3.5 122B A10B logo
Qwen3.5 9B vs Qwen3.5 122B A10BVersion compare
Qwen3.5 9B logoQwen3.7 Flash logo
Qwen3.5 9B vs Qwen3.7 FlashSame lab
GPT-6 Sol Pro logoSonar Pro Search logo
GPT-6 Sol Pro vs Sonar Pro SearchSame size
Qwen3.5 9B logoSonoma Dusk Alpha logo
Qwen3.5 9B vs Sonoma Dusk AlphaNew provider
Qwen3.5 9B logoSonoma Sky Alpha logo
Qwen3.5 9B vs Sonoma Sky AlphaNew provider
Qwen3.5 9B logoTernary Bonsai 2 27B logo
Qwen3.5 9B vs Ternary Bonsai 2 27BNew provider

Model pages

GPT-6 Sol Pro logo
GPT-6 Sol Pro20 outputs, specs and price
Qwen3.5 9B logo
Qwen3.5 9B55 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed