OpenCraftnvidia · chat model
Try Nemotron 3 Ultra online
nvidia/nemotron-3-ultra-550b-a55bAdded to OpenRouter: 4 Jun 2026
Tracking since: · Specs updated:
Use Nemotron 3 Ultra in your browser. Explore pricing and capabilities below, or start a chat in OpenCraft.
Input price$0.60per M tokenscheaper than 38% of chat models
Output price$2.40per M tokenscheaper than 39% of chat models
Cache read$0.12per M tokens
Context window1Mtokensof the largest window in the catalog (10M)
Nemotron 3 Ultra pricing: what a turn costs
Estimates from the published token rates above — real turns vary with tool calls and transcript length.
- Quick answer2K tokens in, 600 out$0.0026
- 10-slide deck build60K tokens in, 9K out$0.058
- 150-page PDF read200K tokens in, 4K out$0.13
Specs and listed prices from OpenRouter. Actual usage cost depends on the serving provider.
How to use Nemotron 3 Ultra
- Select “Try Nemotron 3 Ultra online” to open OpenCraft with this model selected.
- Sign in or create an account if prompted.
- Type a question or describe a task, then send your message.
To compare answers, start a separate chat with another model and use the same prompt.
Nemotron 3 Ultra capabilities
tool-usereasoning
text in → text out
Create with OpenCraft
See example outputs and find a workflow for your next project.