Nemotron 3 Ultra (free)
NVIDIA · Jun 4, 2026
NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts…
NVIDIA Nemotron 3.5 Lightning is an open mixture-of-experts model from NVIDIA, with 3B active parameters out of 30B total. It is suited for high-throughput agentic workloads and specialized tasks that...
nvidia/nemotron-3.5-lightningNemotron 3.5 Lightning is an API model from NVIDIA, released on Aug 11, 2026, with a context window of 262,144 tokens, pricing of $0.07 per million input tokens and $0.2 per million output tokens. It accepts text input and produces text output.
At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.0009.
Specs are sourced from OpenRouter and were last checked on Nov 3, 2026. Always confirm current pricing and limits with the provider before production use.
Nemotron 3.5 Lightning supports a context window of 262,144 tokens.
Nemotron 3.5 Lightning is listed at $0.07 per million input tokens and $0.2 per million output tokens on OpenRouter.
Nemotron 3.5 Lightning was published on Aug 11, 2026.
Nemotron 3.5 Lightning accepts text input and produces text output.