Home / All model prices / Nvidia / nemotron-3-ultra-550b-a55b N Nvidia
nemotron-3-ultra-550b-a55b OpenRouter price Model overview 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 architecture, it...
Context window 262,144 tokens
Knowledge cutoff —
Price last verified 2026-09-06
First observed 2026-08-11 Descriptions, capabilities, and tariffs come from the linked source. First-party prices take priority; OpenRouter fallbacks are labelled.
Current price Estimated API value in USD per million tokens, backed by OpenRouter's public Models API.
Input $0.625
Cached input $0.1875
Cache write 5m —
Cache write 1h —
Output $3.125 Capabilities and formats text frequency penalty include reasoning logit bias max tokens min p presence penalty reasoning reasoning effort repetition penalty response format seed stop structured outputs temperature tool choice tools top k top p Performance references No comparable benchmark data is currently available.
PRICE EVOLUTION Price history Original observation and every later change, including any change of price source.
Original observed price Official price unavailable 2026-08-11
Input: — Cached input: — Cache write 5m: — Cache write 1h: — Output: —
Price change OpenRouter price 2026-08-20
Input: $0.6 Cached input: $0.2 Cache write 5m: — Cache write 1h: — Output: $3.6
Price change OpenRouter price 2026-08-28
Input: $0.5 Cached input: $0.1 Cache write 5m: — Cache write 1h: — Output: $2.2
Price change OpenRouter price 2026-09-02
Input: $0.625 Cached input: $0.1875 Cache write 5m: — Cache write 1h: — Output: $3.125
Price change OpenRouter price 2026-09-03
Input: $0.6 Cached input: $0.12 Cache write 5m: — Cache write 1h: — Output: $2.4
Price change OpenRouter price 2026-09-04
Input: $0.625 Cached input: $0.1875 Cache write 5m: — Cache write 1h: — Output: $3.125
