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. Nemotron 3.5 LightningvsQwen3.8 Omni Flash
Updated Sep 2026

Nemotron 3.5 LightningvsQwen3.8 Omni Flash

Nemotron 3.5 Lightning is cheaper than Qwen3.8 Omni Flash at $0.08/M vs $0.15/M input tokens.

Nemotron 3.5 Lightning and Qwen3.8 Omni Flash compared across 9 shared prompts
SpecNemotron 3.5 LightningQwen3.8 Omni Flash
Input price$0.08/M tokens$0.15/M tokens
Output price$0.2/M tokens$0.47/M tokens
Context window1.0M tokens1.0M tokens
WeightsOpenClosed
Free API (OpenRouter)Yes (1 provider)No
ReleasedAug 2026Sep 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…

Nemotron 3.5 Lightning316 words
Dish Name: The "Lazy" 5-Minute Crispy Pancake Pizza Concept: A quick, savory breakfast or snack that feels like a gourmet pizza but uses pantry staples. It relies on the magic of a simple batter to create a crispy base.
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

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…

Nemotron 3.5 Lightning896 words
Here is a simple, actionable 1-month plan designed to build sustainable habits without overwhelming you. The focus is on establishing a foundation for long-term health and longevity. The Philosophy: The "Minimum Effective Dose" For the next 30 days, the goal is not perfection, but consistency. Aim for 80% adherence.
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

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.…

Nemotron 3.5 Lightning971 words
Here are the three weakest claims in the MindMeld AI pitch deck, analyzed for their logical gaps and factual weaknesses, along with suggestions for strengthening them. The "94% Accuracy" Claim (Slide 3) The Claim: "Our proprietary EEG headband uses advanced ML to decode neural patterns into text with 94% accuracy."
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…

Nemotron 3.5 Lightning1,103 words
For the Experienced Software Engineer You’re used to debugging race conditions and optimizing latency; the idea that an LLM is "just predicting the next word" feels like a cop-out, especially when the output can be eerily coherent.
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
Our Verdict
Qwen3.8 Omni Flash
Qwen3.8 Omni Flash
Nemotron 3.5 Lightning
Nemotron 3.5 LightningRunner-up

Not enough votes to call it. On the specs, Qwen3.8 Omni Flash has the edge: bigger model tier, newer.

Too close to call
API pricing

Cost per 1M tokens

Nemotron 3.5 Lightning
Input
$0.08
1.9× cheaper
Output
$0.20
2.3× cheaper
Qwen3.8 Omni Flash
Input
$0.15
Output
$0.47

Nemotron 3.5 Lightning is cheaper on both: 1.9× input, 2.3× output.

Where to run it

5 hosts, cheapest first

Nemotron 3.5 Lightning4 hosts
HostInOutContextUptime
DDarkbloomint4$0.07 in·$0.18 out·262k·100% upCCoreWeavebf16$0.07 in·$0.20 out·262k·99.9% upPPhala$0.07 in·$0.20 out·262k·99.5% upDDeepInfrabf16$0.08 in·$0.20 out·262k·99.9% up
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

Nemotron 3.5 Lightning is developed by NVIDIA while Qwen3.8 Omni Flash is developed by Qwen. Nemotron 3.5 Lightning has a 1.0M 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. Nemotron 3.5 Lightning 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.

Nemotron 3.5 Lightning costs $0.08/M input tokens and Qwen3.8 Omni Flash costs $0.15/M input tokens. Nemotron 3.5 Lightning is $0.07/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 Nemotron 3.5 Lightning 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

Nemotron 3.5 Lightning logoSolar Mini 4 logo
Nemotron 3.5 Lightning 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
Nemotron 3.5 Lightning logoGLM 5.3 Prime logo
Nemotron 3.5 Lightning vs GLM 5.3 PrimeLanded Sep 2026
Qwen3.8 Omni Flash logoCommand A+ logo
Qwen3.8 Omni Flash vs Command A+Landed Sep 2026
Nemotron 3.5 Lightning logoClaude Opus 5.5 logo
Nemotron 3.5 Lightning 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
Nemotron 3.5 Lightning logoGPT-6 Sol Pro logo
Nemotron 3.5 Lightning 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

Nemotron 3.5 Lightning logoNVIDIA Nemotron 3 Super (free) logo
Nemotron 3.5 Lightning vs NVIDIA Nemotron 3 Super (free)Version compare
Nemotron 3.5 Lightning logoNemotron 3 Nano Omni (free) logo
Nemotron 3.5 Lightning vs Nemotron 3 Nano Omni (free)Same 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
Nemotron 3.5 Lightning logoMistral Large logo
Nemotron 3.5 Lightning vs Mistral LargeNew provider
Nemotron 3.5 Lightning logoMistral Large 2 logo
Nemotron 3.5 Lightning vs Mistral Large 2New provider
Nemotron 3.5 Lightning logoMistral Large 3 2512 logo
Nemotron 3.5 Lightning vs Mistral Large 3 2512New provider
Nemotron 3.5 Lightning logoMistral Medium 3 logo
Nemotron 3.5 Lightning vs Mistral Medium 3New provider

Model pages

Nemotron 3.5 Lightning logo
Nemotron 3.5 Lightning58 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