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  5. Nemotron 3 UltravsNemotron 3.5 Content Safety
Updated Jun 2026

Nemotron 3 UltravsNemotron 3.5 Content Safety

Nemotron 3 Ultra has a larger context window than Nemotron 3.5 Content Safety (1.0M tokens vs 128K tokens).

Nemotron 3 Ultra and Nemotron 3.5 Content Safety compared across 54 shared prompts
SpecNemotron 3 UltraNemotron 3.5 Content Safety
Input priceFreeFree
Output priceFreeFree
Context window1.0M tokens128K tokens
WeightsOpenOpen
Free API (OpenRouter)Yes (1 provider)Yes (1 provider)
ReleasedJun 2026Jun 2026
Our Verdict
Nemotron 3 Ultra
Nemotron 3 Ultra
Nemotron 3.5 Content Safety
Nemotron 3.5 Content SafetyRunner-up

Not enough votes to call it. On the specs, Nemotron 3 Ultra has the edge: bigger model tier, bigger context window.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Nemotron 3 Ultra
Input
$0.000
Output
$0.000
Nemotron 3.5 Content Safety
Input
$0.000
Output
$0.000
Where to run it

2 hosts

Nemotron 3 Ultra1 host
HostInOutContextUptime
NVIDIA$0 in·$0 out·1M·98.5% up
Nemotron 3.5 Content Safety1 host
HostInOutContextUptime
NVIDIA$0 in·$0 out·128k·96.7% up

Per million tokens. Prices and uptime via OpenRouter, checked 13 Sep 2026.

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