OpenAI Codex Mini vs 
Nemotron 3.5 Content Safety
Nemotron 3.5 Content Safety is cheaper than OpenAI Codex Mini at $0/M vs $1.5/M input tokens.
Pokémon Battle UI Recreation
Pokémon battle screen you can actually click. One HTML file.
Loading the build
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Which answer wins?
Written rounds
2 promptsFive jokes on demand, then count how many were actually different.
Three minutes of stand-up. Puns are banned.
Price and specs
Not enough votes to call it. On the specs, OpenAI Codex Mini has the edge: bigger model tier, bigger context window, major provider backing.
| Spec | OpenAI Codex Mini | Nemotron 3.5 Content Safety |
|---|---|---|
| Input price | $1.5/M tokens | Free |
| Output price | $6/M tokens | Free |
| Context window | 200K tokens | 128K tokens |
| Weights | — | Open |
| Free API (OpenRouter) | No | Yes (1 provider) |
| Released | May 2025 | Jun 2026 |
| At 10M a month | $15.00 | $0 |
Input tokens at list price. No caching, no batch discount.
Where to run it
OpenAI Codex Mini
No hosts listed on OpenRouter.
Nemotron 3.5 Content Safety1 host
Per million tokens. Prices and uptime via OpenRouter, checked 11 Oct 2026.
Common questions
What is the difference between OpenAI Codex Mini and Nemotron 3.5 Content Safety?
OpenAI Codex Mini is developed by OpenAI while Nemotron 3.5 Content Safety is developed by NVIDIA. OpenAI Codex Mini has a 200K token context window vs Nemotron 3.5 Content Safety's 128K. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.
Which is better, OpenAI Codex Mini or Nemotron 3.5 Content Safety?
It depends on your use case. OpenAI Codex Mini and Nemotron 3.5 Content Safety each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.
How much does OpenAI Codex Mini cost compared to Nemotron 3.5 Content Safety?
OpenAI Codex Mini costs $1.5/M input tokens and Nemotron 3.5 Content Safety costs $0/M input tokens. Nemotron 3.5 Content Safety is $1.50/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 OpenAI Codex Mini and Nemotron 3.5 Content Safety on Rival?
This page shows a side-by-side comparison of OpenAI Codex Mini and Nemotron 3.5 Content Safety 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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