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Specifications
Specifications and pricing as served by Composite
Model ID
nvidia/nemotron-3.5-lightning
Provider
cv11
Context window
262,144 tokens
Accepts
text
Returns
text
Input price
$0.0313 per million tokens
Output price
$0.150 per million tokens
Prompt caching
Supported — cached input is billed at the provider's cache rate, on credits and plans alike
Moderated
No
Cost on a monthly plan
About 0.3 plan credits per typical call (8k in, 1k out)
Routing endpoints
10 (base plus 9 routing variants)
Use NVIDIA: Nemotron 3.5 Lightning in JanitorAI or SillyTavern
Make a Composite API key and type nvidia/nemotron-3.5-lightning as the model name. JanitorAI takes the full URL https://composite.lucidity.sh/v1/chat/completions; SillyTavern, ChubAI, Agnai and RisuAI take https://composite.lucidity.sh/v1. It runs on credits, a plan, or your own provider key.
This model has not carried enough traffic on Composite yet to publish a success rate, a latency figure or a traffic rank. The numbers appear here once it has.
Routing variants
The same model behind 9 alternative endpoints. Call the id directly to pin a route; the base id above picks for you.
Route
Model ID
Provider
Price
Normal
nvidia/nemotron-3.5-lightning-normal
cv11
$0.0875 per million tokens input · $0.250 per million tokens output
Normal + cheapThink
nvidia/nemotron-3.5-lightning-normal:cheapThink
cv11
$0.0875 per million tokens input · $0.250 per million tokens output
Cheapest provider
nvidia/nemotron-3.5-lightning:cheapest-provider
Darkbloom
$0.0313 per million tokens input · $0.150 per million tokens output
$0.0313 per million tokens input · $0.150 per million tokens output
cheapThink
nvidia/nemotron-3.5-lightning:cheapThink
cv11
$0.0313 per million tokens input · $0.150 per million tokens output
Fast
nvidia/nemotron-3.5-lightning:fast
Darkbloom
$0.0313 per million tokens input · $0.150 per million tokens output
Fast + cheapThink
nvidia/nemotron-3.5-lightning:fast:cheapThink
Darkbloom
$0.0313 per million tokens input · $0.150 per million tokens output
Quality
nvidia/nemotron-3.5-lightning:quality
CoreWeave
$0.0875 per million tokens input · $0.250 per million tokens output
Quality + cheapThink
nvidia/nemotron-3.5-lightning:quality:cheapThink
CoreWeave
$0.0875 per million tokens input · $0.250 per million tokens output
Pricing
$0.0313 per million tokens input · $0.150 per million tokens output
Credits pay the provider’s price plus 25%; cache hits cost less.
On a monthly plan, a typical call (8k tokens in, 1k out) uses about 0.3 plan credits, at the provider's own price.
Provider
cv11
Roleplay fit
Nemotron models are tuned by NVIDIA for instruction-following and tool use, and tend to behave predictably in structured prompts.
Context behavior
With a 262,144-token context window, it can hold a long-running roleplay or a full lorebook in memory without losing earlier plot details, so it suits multi-session campaigns and character cards with heavy backstory.
Cost for regular use
It is priced low enough for high-volume daily roleplay without the per-message cost adding up quickly.
From the provider
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...