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. ChatGPT-4o (March 2025)vsQwen3.8 Omni Flash
Updated Sep 2026

ChatGPT-4o (March 2025)vsQwen3.8 Omni Flash

Qwen3.8 Omni Flash is cheaper than ChatGPT-4o (March 2025) at $0.15/M vs $5/M input tokens.

ChatGPT-4o (March 2025) and Qwen3.8 Omni Flash compared across 9 shared prompts
SpecChatGPT-4o (March 2025)Qwen3.8 Omni Flash
Input price$5/M tokens$0.15/M tokens
Output price$15/M tokens$0.47/M tokens
Context window128K tokens1.0M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedMar 2025Sep 2026
Side by side

Same prompt, both answers

Opening lines from 4 of the 9 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…

ChatGPT-4o (March 2025)265 words
Recipe Name: Maple Cinnamon Toast Bites Description: A quick and delicious sweet treat made with pantry staples! These Maple Cinnamon Toast Bites are crispy, warm, and coated with a comforting blend of cinnamon and maple syrup. Perfect for a cozy snack or a fun breakfast twist.
Read the full answer
Qwen3.8 Omni Flash175 words
Buttery Cloud Pancakes A soft, golden pancake stack made with just 7 pantry staples—no special mix-ins, no fancy tools, just simple comfort. Ingredients All-purpose flour Granulated sugar Baking powder Fine salt Milk Egg Butter Prep Time 10 minutes Cook Time 12 minutes Serves 2–3 Instructions In a bowl, whisk together…
Read the full answer

Startup Pitch Teardown

Here's a pitch deck summary for a startup called "MindMeld AI": **Slide 1 - Vision:** "We're building the future of human-AI collaboration.…

ChatGPT-4o (March 2025)493 words
Here are the three weakest claims in the MindMeld AI pitch deck, along with explanations of why they are weak and suggestions for improving them: 🟠 Weak Claim 1: Slide 1 – Vision Quote: “MindMeld AI reads your brainwaves to predict what you want to type before you think it.”
Read the full answer
Qwen3.8 Omni Flash2,971 words
The three weakest claims—ranked by how likely they are to fail investor diligence—are: “94% accuracy… works with any language, any device.” “TAM: $180B” based on 3.5B smartphone users. “FDA clearance” consuming 40% of the Series A raise.
Read the full answer

Explain Like I'm a Specific Expert

Explain how a large language model (like GPT or Claude) learns and generates text to each of these three audiences: 1. **An experienced…

ChatGPT-4o (March 2025)704 words
Certainly! Here's how to explain large language models (LLMs) like GPT or Claude to each of your three audiences, with framing and emphasis tailored to their backgrounds and concerns: The Experienced Software Engineer Think of a large language model as a massively distributed, probabilistic autocomplete engine trained…
Read the full answer
Qwen3.8 Omni Flash913 words
For the experienced software engineer A large language model is best thought of as a gigantic, parameterized probabilistic function that maps a sequence of tokens to a probability distribution over the next token.
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…

ChatGPT-4o (March 2025)441 words
Absolutely! Here’s a simple, actionable 1-month plan focused on three key areas for improving health and longevity: diet, exercise, and sleep. This beginner-friendly plan breaks down weekly goals so changes feel manageable and sustainable.
Read the full answer
Qwen3.8 Omni Flash712 words
A Simple 1-Month Health & Longevity Starter Plan Goal: Build sustainable habits—not perfection—around diet, exercise, and recovery/sleep. Time commitment: Small daily actions plus 2–3 short workouts per week. The 3 Key Areas Diet: Add more good foods before restricting Beginner rule: Focus on adding, not removing.
Read the full answer
Our Verdict
ChatGPT-4o (March 2025)
ChatGPT-4o (March 2025)
Qwen3.8 Omni Flash
Qwen3.8 Omni Flash

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

Qwen3.8 Omni Flash costs 32x less per token.

Too close to call
API pricing

Cost per 1M tokens

ChatGPT-4o (March 2025)
Input
$5.00
Output
$15.00
Qwen3.8 Omni Flash
Input
$0.15
33× cheaper
Output
$0.47
32× cheaper

Qwen3.8 Omni Flash is cheaper on both: 33× input, 32× output.

Where to run it

1 host

ChatGPT-4o (March 2025)

No hosts listed on OpenRouter.

Qwen3.8 Omni Flash1 host
HostInOutContextUptime
Alibaba Clouddegraded$0.15 in·$0.47 out·1M·99% up

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

Research

What we learned reading every model

FAQ

Common questions

ChatGPT-4o (March 2025) is developed by OpenAI while Qwen3.8 Omni Flash is developed by Qwen. ChatGPT-4o (March 2025) has a 128K token context window vs Qwen3.8 Omni Flash's 1.0M. You can compare their actual outputs across 9 challenges on Rival to see how they differ in practice.

It depends on your use case. ChatGPT-4o (March 2025) and Qwen3.8 Omni Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 9 challenges so you can judge which fits your needs best.

ChatGPT-4o (March 2025) costs $5/M input tokens and Qwen3.8 Omni Flash costs $0.15/M input tokens. Qwen3.8 Omni Flash is $4.85/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 ChatGPT-4o (March 2025) and Qwen3.8 Omni Flash 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

ChatGPT-4o (March 2025) logoSolar Mini 4 logo
ChatGPT-4o (March 2025) vs Solar Mini 4Landed Sep 2026
Qwen3.8 Omni Flash logoQwen3.8 Max Prime logo
Qwen3.8 Omni Flash vs Qwen3.8 Max PrimeLanded Sep 2026
ChatGPT-4o (March 2025) logoGLM 5.3 Prime logo
ChatGPT-4o (March 2025) vs GLM 5.3 PrimeLanded Sep 2026
Qwen3.8 Omni Flash logoCommand A+ logo
Qwen3.8 Omni Flash vs Command A+Landed Sep 2026
ChatGPT-4o (March 2025) logoClaude Opus 5.5 logo
ChatGPT-4o (March 2025) vs Claude Opus 5.5Landed Sep 2026
Qwen3.8 Omni Flash logoGPT-6 Luna Pro logo
Qwen3.8 Omni Flash vs GPT-6 Luna ProLanded Sep 2026
ChatGPT-4o (March 2025) logoGPT-6 Sol Pro logo
ChatGPT-4o (March 2025) vs GPT-6 Sol ProLanded Sep 2026
Qwen3.8 Omni Flash logoGPT-6 Luna logo
Qwen3.8 Omni Flash vs GPT-6 LunaLanded Sep 2026

Same lab, same size, long tail

ChatGPT-4o (March 2025) logoGPT-6 Luna Pro logo
ChatGPT-4o (March 2025) vs GPT-6 Luna ProSame lab
ChatGPT-4o (March 2025) logoGPT-6 Luna logo
ChatGPT-4o (March 2025) vs GPT-6 LunaSame lab
Qwen3.8 Omni Flash logoQwen3.7 Flash logo
Qwen3.8 Omni Flash vs Qwen3.7 FlashSame lab
Qwen3.8 Omni Flash logoQwen3.8 Flash logo
Qwen3.8 Omni Flash vs Qwen3.8 FlashSame lab
ChatGPT-4o (March 2025) logoNex-N2.5-Mini (free) logo
ChatGPT-4o (March 2025) vs Nex-N2.5-Mini (free)New provider
ChatGPT-4o (March 2025) logoNex-N2.5-Pro (free) logo
ChatGPT-4o (March 2025) vs Nex-N2.5-Pro (free)New provider
ChatGPT-4o (March 2025) logoNorth Mini Code logo
ChatGPT-4o (March 2025) vs North Mini CodeNew provider
Qwen3.8 Omni Flash logoAmazon Nova 2 Lite logo
Qwen3.8 Omni Flash vs Amazon Nova 2 LiteNew provider

Model pages

ChatGPT-4o (March 2025) logo
ChatGPT-4o (March 2025)33 outputs, specs and price
Qwen3.8 Omni Flash logo
Qwen3.8 Omni Flash9 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