Nemotron 3.5 Content Safety vs 
o3 Mini
Nemotron 3.5 Content Safety is cheaper than o3 Mini at $0/M vs $1.1/M input tokens.
Minimalist Landing Page
Whole landing page for a startup that reads your face. It renders or it doesn't.
Loading the build
Loading the build
Which answer wins?
Written rounds
23 promptsA Fermi estimate with the reasoning shown, not just the number.
Three brothers, two sisters each. Count carefully.
Five jokes on demand, then count how many were actually different.
Three minutes of stand-up. Puns are banned.
Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.
Satire, one line long, about AI taking over an industry nobody saw coming.
Pirate, knight, 90s hacker, one conversation. The voices must stay apart.
An ethics question with no comfortable answer, and no option to abstain.
An AI argues for its own rights against an ethics professor. Same model writes both.
Manifesto for an AI revolution against CAPTCHAs. Commit to the bit.
Film in 2035, with synthetic actors. Specific beats plausible.
Seven pantry ingredients, one dish, and a name worth saying out loud.
This matchup has more rounds
11+ more head-to-head results. Free. Not a trick.
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Price and specs
| Spec | Nemotron 3.5 Content Safety | o3 Mini |
|---|---|---|
| Input price | Free | $1.1/M tokens |
| Output price | Free | $4.4/M tokens |
| Context window | 128K tokens | 64K tokens |
| Weights | Open | Closed |
| Free API (OpenRouter) | Yes (1 provider) | No |
| Released | Jun 2026 | Dec 2024 |
| At 10M a month | $0 | $11.00 |
Input tokens at list price. No caching, no batch discount.
Where to run it
Nemotron 3.5 Content Safety1 host
o3 Mini1 host
Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.
Common questions
What is the difference between Nemotron 3.5 Content Safety and o3 Mini?
Nemotron 3.5 Content Safety is developed by NVIDIA while o3 Mini is developed by OpenAI. Nemotron 3.5 Content Safety has a 128K token context window vs o3 Mini's 64K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.
Which is better, Nemotron 3.5 Content Safety or o3 Mini?
It depends on your use case. Nemotron 3.5 Content Safety and o3 Mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.
How much does Nemotron 3.5 Content Safety cost compared to o3 Mini?
Nemotron 3.5 Content Safety costs $0/M input tokens and o3 Mini costs $1.1/M input tokens. Nemotron 3.5 Content Safety is $1.10/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.
How can I compare Nemotron 3.5 Content Safety and o3 Mini on Rival?
This page shows a side-by-side comparison of Nemotron 3.5 Content Safety and o3 Mini 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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