HASTATAgent stack guide nemotron
Nemotron 3 Ultra 550B A55B
Largest Nemotron 3 model for maximum open-weight reasoning and agent accuracy
Fresh · fetched 2026-08-17T02:11:57.739Z · Models.dev(opens in a new tab)
Minimum context1M
Output500K
Providers8
CapabilitiesTool calling, Reasoning
Provider offers
| Providers | Input / 1M | Output / 1M | Cache read / 1M | Context / output | Updated |
|---|---|---|---|---|---|
 Nvidianvidia/nemotron-3-ultra-550b-a55b | $0.50 | $2.50 | $0.15 | 1M | 2026-06-04 |
 NanoGPTnvidia/nemotron-3-ultra-550b-a55b | $0.50 | $2.50 | $0.25 | 1M | 2026-06-04 |
 OpenRouternvidia/nemotron-3-ultra-550b-a55b | $0.60 | $3.60 | $0.20 | 500K | 2026-06-04 |
 Kenarinemotron-3-ultra-550b-a55b | $0.00 | $0.00 | Unavailable | 1M | 2026-06-04 |
 Together AInvidia/nemotron-3-ultra-550b-a55b | $0.60 | $3.60 | $0.20 | 500K | 2026-06-04 |
 Vercel AI Gatewaynvidia/nemotron-3-ultra-550b-a55b | $0.60 | $2.40 | $0.12 | 1M | 2026-06-04 |
 Eden AIdeepinfra/nemotron-3-ultra-550b-a55b | $0.50 | $2.20 | $0.10 | 256K | 2026-06-04 |
Eden AItogether_ai/nvidia/nemotron-3-ultra-550b-a55b | $0.60 | $3.60 | $0.20 | 500K | 2026-06-04 |
Eden AInebius/nvidia/Nemotron-3-Ultra-550b-a55b | $1.00 | $3.00 | Unavailable | 8K | 2026-06-04 |
 Kilo Gatewaynvidia/nemotron-3-ultra-550b-a55b | $0.50 | $2.20 | $0.10 | 500K | 2026-06-04 |
Lowest reported provider price in USD per 1M tokens; unavailable is not free. Provider documentation remains authoritative. Catalogue presence is not an uptime, security, or quality endorsement.
Source metadata and limitations
Capabilities are source-reported. Tool calling does not prove quality in a particular harness. Prices and limits can change.
Modalities: text → text