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  5. Nemotron 3.5 LightningvsQwen3.8 Flash
Updated Aug 2026

Nemotron 3.5 LightningvsQwen3.8 Flash

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

Nemotron 3.5 Lightning and Qwen3.8 Flash compared across 8 shared prompts
SpecNemotron 3.5 LightningQwen3.8 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 2026Aug 2026
Side by side

Same prompt, both answers

Opening lines from 3 of the 8 prompts both answered. Formatting stripped, words untouched.

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 Flash368 words
1-Month Beginner Health & Longevity Plan Focus areas: Nutrition, Movement, Sleep Week 1: Build the basics Nutrition Add 1 serving of vegetables to 2 meals per day. Drink water with each meal. Choose protein at most meals: eggs, beans, tofu, chicken, fish, yogurt. Movement Walk 10–15 minutes daily.
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…

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 Flash147 words
Moon Halo Cookies A soft, golden sugar cookie with crisp edges and a tender center—made with just 7 pantry staples. Prep time: 10 minutes Cook time: 10 minutes Total time: 20 minutes Makes: About 16 cookies Ingredients 1/2 cup butter, softened 3/4 cup sugar 1 egg 1 teaspoon vanilla extract 1 1/2 cups all-purpose flour…
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 Flash983 words
For an experienced software engineer Training a large language model is not “just” making it guess the next word in isolation. It is fitting an enormous parameterized function to predict the next token conditioned on all previous tokens in a sequence.
Read the full answer
Our Verdict
Qwen3.8 Flash
Qwen3.8 Flash
Nemotron 3.5 Lightning
Nemotron 3.5 LightningRunner-up

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

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 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·99.9% upCCoreWeavebf16$0.07 in·$0.20 out·262k·99.1% upPPhala$0.07 in·$0.20 out·262k·99.8% upDDeepInfrabf16$0.08 in·$0.20 out·262k·99.8% up
Qwen3.8 Flash1 host
HostInOutContextUptime
Alibaba Cloud$0.15 in·$0.47 out·1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Nemotron 3.5 Lightning is developed by NVIDIA while Qwen3.8 Flash is developed by Qwen. Nemotron 3.5 Lightning has a 1.0M token context window vs Qwen3.8 Flash's 1.0M. You can compare their actual outputs across 8 challenges on Rival to see how they differ in practice.

It depends on your use case. Nemotron 3.5 Lightning and Qwen3.8 Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 8 challenges so you can judge which fits your needs best.

Nemotron 3.5 Lightning costs $0.08/M input tokens and Qwen3.8 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 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.

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Same lab, same size, long tail

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Nemotron 3.5 Lightning vs NVIDIA Nemotron 3 Super (free)Version compare
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Qwen3.8 Flash logoQwen3.8 Max (0902) logo
Qwen3.8 Flash vs Qwen3.8 Max (0902)Same lab
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Nemotron 3.5 Lightning logoClaude 3 Sonnet logo
Nemotron 3.5 Lightning vs Claude 3 SonnetNew provider
Nemotron 3.5 Lightning logoClaude Sonnet 3.6 (2022-10-22) logo
Nemotron 3.5 Lightning vs Claude Sonnet 3.6 (2022-10-22)New provider
Nemotron 3.5 Lightning logoClaude 3.7 Sonnet logo
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Nemotron 3.5 Lightning logoClaude 3.7 Thinking Sonnet logo
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Model pages

Nemotron 3.5 Lightning logo
Nemotron 3.5 Lightning58 outputs, specs and price
Qwen3.8 Flash logo
Qwen3.8 Flash8 outputs, specs and price
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