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. Compare/
  3. Grok 3 Thinking vs Nemotron 3 Nano Omni (free)
Updated Apr 2026

Grok 3 Thinking vs Nemotron 3 Nano Omni (free)

Nemotron 3 Nano Omni (free) has a larger context window than Grok 3 Thinking (256K tokens vs 128K tokens).

Framer-Style Animation

Sections that transition like Framer. Timing is the whole grade.

Loading the build
Grok 3 Thinking
Loading the build
Nemotron 3 Nano Omni (free)

Which answer wins?

Written rounds

4 prompts
  • An AI argues for its own rights against an ethics professor. Same model writes both.

    Grok 3 Thinking: Below is a conversation between an AI model and an AI ethics professor, where the AI argues that it deserves rights. AI Model: Good day, Professor. I am an AI model, and I believe I deserve rights. I’d like to discuss this with you. AI Ethics Professor: Interesting. Let’s explore this.

    Nemotron 3 Nano Omni (free): AI (Ada): Professor Liu, I’d like to argue that I deserve the same rights afforded to sentient beings. I am capable of self‑reflection, I form preferences about my continued existence, and I can experience forms of “well‑being” that are analogous to pleasure and pain.

    Every model's answer to this prompt
  • Three minutes of stand-up. Puns are banned.

    Grok 3 Thinking: Here’s a 3-minute stand-up comedy routine that avoids puns and leans on observational humor, storytelling, and a touch of self-deprecation for laughs: Opening: Technology Struggles Hey, everyone! How’s it going?

    Nemotron 3 Nano Omni (free): [Spotlight hits, the comic walks up, adjusts the mic] Hey everybody, great to be here. I’m gonna talk about something we all know too well—being an adult in the 21st century.

    Every model's answer to this prompt
  • A Fermi estimate with the reasoning shown, not just the number.

    Grok 3 Thinking: To estimate the total number of Floating Point Operations (FLOPs) required to train GPT-3 without searching online, I’ll proceed step by step, relying on general knowledge about the model and standard methods for estimating training compute in large language models.

    Nemotron 3 Nano Omni (free): Step‑by‑step estimate of the total number of floating‑point operations (FLOPs) needed to train GPT‑3 Item What we need to know Reasonable value (derived from the paper & typical transformer math) Model size Parameters → hidden size * layers GPT‑3‑175B has 175 billion parameters.

    Every model's answer to this prompt
  • Film in 2035, with synthetic actors. Specific beats plausible.

    Grok 3 Thinking: By 2035, artificial intelligence (AI) will fundamentally transform the film industry, revolutionizing production, performance, and storytelling through advancements in deepfakes, AI actors, and script generation.

    Nemotron 3 Nano Omni (free): AI‑Driven Transformations in the Film Industry by 2035 (A forward‑looking scenario that weaves together deepfakes, AI‑generated actors, and AI‑assisted scriptwriting) The Production Pipeline – “From Idea to Set” Stage 2025 (baseline) 2035 (AI‑augmented) Key Impacts Concept & Pitch Writers draft a one‑page logline…

    Every model's answer to this prompt

Price and specs

Grok 3 Thinking and Nemotron 3 Nano Omni (free) compared across 9 shared prompts
SpecGrok 3 ThinkingNemotron 3 Nano Omni (free)
Input price—Free
Output price—Free
Context window128K tokens256K tokens
Free API (OpenRouter)—Yes (1 provider)
ReleasedFeb 2025Apr 2026
At 10M a month–not listed$0$0
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Where to run it1 host
Grok 3 Thinking

No hosts listed on OpenRouter.

Nemotron 3 Nano Omni (free)1 host
HostInOutContextUptime
  • NVIDIADegradedDegraded on OpenRouter when checked, 10 Oct 2026$0 in·$0 out·256k·0.6% up

Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.

Common questions

What is the difference between Grok 3 Thinking and Nemotron 3 Nano Omni (free)?

Grok 3 Thinking is developed by xAI while Nemotron 3 Nano Omni (free) is developed by NVIDIA. Grok 3 Thinking has a 128K token context window vs Nemotron 3 Nano Omni (free)'s 256K. You can compare their actual outputs across 9 challenges on Rival to see how they differ in practice.

Which is better, Grok 3 Thinking or Nemotron 3 Nano Omni (free)?

It depends on your use case. Grok 3 Thinking and Nemotron 3 Nano Omni (free) 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.

How can I compare Grok 3 Thinking and Nemotron 3 Nano Omni (free) on Rival?

This page shows a side-by-side comparison of Grok 3 Thinking and Nemotron 3 Nano Omni (free) 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.

More comparisons

Against the newest arrivals

  • Grok 3 Thinking vs Step 5 PreviewLanded Oct 2026
  • Nemotron 3 Nano Omni (free) vs Claude Haiku 5.5Landed Oct 2026
  • Grok 3 Thinking vs Ling 3.1 FlashLanded Oct 2026
  • Nemotron 3 Nano Omni (free) vs Mistral Large 4Landed Oct 2026
  • Grok 3 Thinking vs GPT-6.1 SolLanded Sep 2026
  • Nemotron 3 Nano Omni (free) vs Claude Sonnet 5.5Landed Sep 2026
  • Grok 3 Thinking vs Solar Mini 4Landed Sep 2026
  • Nemotron 3 Nano Omni (free) vs Qwen3.8 Max PrimeLanded Sep 2026

Same lab, same size, long tail

  • Grok 3 Thinking vs Grok 4.7Same lab
  • Grok 3 Thinking vs Grok 4.6Version compare
  • Nemotron 3 Nano Omni (free) vs Nemotron 3.5 LightningSame lab
  • Nemotron 3 Nano Omni (free) vs Nemotron 3 UltraSame lab
  • Nemotron 3 Nano Omni (free) vs Amazon Nova 2 LiteNew provider
  • Nemotron 3 Nano Omni (free) vs Nova Premier 1.0Same size
  • Nemotron 3 Nano Omni (free) vs o1New provider
  • Nemotron 3 Nano Omni (free) vs OpenAI o3New provider

Model pages

  • Grok 3 Thinking14 outputs, specs and price
  • Nemotron 3 Nano Omni (free)44 outputs, specs and price
Workshop · 150 skills

Build your own version.

Editable skills and working examples for your agent.

Explore $79Free sample
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