Nemotron 3 Ultra 550B A55B
nvidia/nemotron-3-ultra-550b-a55bLargest Nemotron 3 model for maximum open-weight reasoning and agent accuracy
Source-linkednemotronOpen weightsReleased 2026-06-04
Context window1M
Maximum output128K
Provider offers8
Knowledge cutoffUndisclosed
CapabilitiesWhat this model supports
- Creator
- NVIDIA
- Family
- nemotron
- Modalities
- Text
- License
- Not documented
- Release date
- 2026-06-04
- Model ID
nvidia/nemotron-3-ultra-550b-a55b
Providers offering Nemotron 3 Ultra 550B A55B| Provider | Provider model ID | Context | Input / 1M | Output / 1M | Cached / 1M | Features | All pricing |
|---|
UnoRouter | nemotron-3-ultra-550b-a55b:free | 1M | $0.000 | $0.000 | — | R T · | View{
"input": 0,
"output": 0
} |
routing.run | nemotron-3-ultra | 131.072K | $0.100 | $0.100 | — | R T · | View{
"input": 0.1,
"output": 0.1
} |
Nvidia | nvidia/nemotron-3-ultra-550b-a55b | 1M | $0.500 | $2.500 | $0.150 | R T S | View{
"cache_read": 0.15,
"input": 0.5,
"output": 2.5
} |
Pioneer | nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | 1M | $0.500 | $2.500 | $0.150 | R T · | View{
"cache_read": 0.15,
"cache_write": 0.5,
"input": 0.5,
"output": 2.5
} |
LLM Gateway | nemotron-3-ultra-550b | 262.144K | $0.500 | $2.500 | $0.150 | R T · | View{
"cache_read": 0.15,
"input": 0.5,
"output": 2.5
} |
OpenRouter | nvidia/nemotron-3-ultra-550b-a55b | 1M | $0.500 | $2.200 | $0.100 | R T S | View{
"cache_read": 0.1,
"input": 0.5,
"output": 2.2
} |
Together AI | nvidia/nemotron-3-ultra-550b-a55b | 512.3K | $0.600 | $3.600 | $0.200 | R T S | View{
"cache_read": 0.2,
"input": 0.6,
"output": 3.6
} |
Vercel AI Gateway | nvidia/nemotron-3-ultra-550b-a55b | 1M | $0.600 | $2.400 | $0.120 | R T · | View{
"cache_read": 0.12,
"input": 0.6,
"output": 2.4
} |
EvidencePublished benchmark results
Anthropic: Claude Opus 4.8
47.2
Nemotron 3 Ultra 550B A55B
27.4
Nemotron 3 Ultra 550B A55B
44.4
Anthropic: Claude Opus 4.8
74.3
Anthropic: Claude Opus 4.7
73.6
Nemotron 3 Ultra 550B A55B
49.3
Anthropic: Claude Opus 4.6
1348.0
Nemotron 3 Ultra 550B A55B
1209.0
Anthropic: Claude Opus 4.7
1326.0
Gemini 3.1 Pro Preview
1316.0
Anthropic: Claude Opus 4.8
1305.0
Anthropic: Claude Opus 4.6
1305.0
Nemotron 3 Ultra 550B A55B
1121.0
Anthropic: Claude Opus 4.6
1336.0
Anthropic: Claude Opus 4.7
1330.0
Nemotron 3 Ultra 550B A55B
1164.0
Anthropic: Claude Opus 4.6
1321.0
Anthropic: Claude Opus 4.7
1320.0
Anthropic: Claude Sonnet 4.6
1317.0
Nemotron 3 Ultra 550B A55B
1154.0
Anthropic: Claude Opus 4.6
1339.0
Anthropic: Claude Opus 4.7
1334.0
Nemotron 3 Ultra 550B A55B
1188.0
Gemini 3.1 Pro Preview
1340.0
Anthropic: Claude Opus 4.6
1279.0
Anthropic: Claude Opus 4.7
1274.0
Nemotron 3 Ultra 550B A55B
1131.0
Anthropic: Claude Opus 4.7
1358.0
Anthropic: Claude Opus 4.6
1344.0
Anthropic: Claude Sonnet 4.6
1321.0
Nemotron 3 Ultra 550B A55B
1167.0
Anthropic: Claude Opus 4.6
1331.0
Anthropic: Claude Opus 4.7
1329.0
Anthropic: Claude Sonnet 4.6
1320.0
Nemotron 3 Ultra 550B A55B
1133.0
Nemotron 3 Ultra 550B A55B
46.7
Nemotron 3 Ultra 550B A55B
87.0
Nemotron 3 Ultra 550B A55B
37.4
Nemotron 3 Ultra 550B A55B
81.7
Anthropic: Claude Opus 4.8
55.7
Anthropic: Claude Opus 4.7
53.5
Nemotron 3 Ultra 550B A55B
37.8
Nemotron 3 Ultra 550B A55B
89.0
Nemotron 3 Ultra 550B A55B
86.8
Nemotron 3 Ultra 550B A55B
67.7
Nemotron 3 Ultra 550B A55B
70.7
Nemotron 3 Ultra 550B A55B
56.4