modelsdev Nemotron 3 Ultra 550B A55B (thinkingmachines/nvidia/nvidia-nemotron-3-ultra-550b-a55b-bf16:peft:262144)
modelsdev Nemotron 3 Ultra 550B A55B costs USD 1.80 per 1M input tokens and USD 6.225 per 1M output tokens (community cross-check, https://models.dev/), verified 2026-10-25 05:52 UTC.
Last verified 2026-10-25T05:52:52+00:00 · Source: https://models.dev/ (community cross-check, waak source modelsdev)
No first-party source is read for this model yet; this value is a community cross-check and can lag the provider.
Price
- Input
- USD 1.80 / 1M tokens
- Output
- USD 6.225 / 1M tokens
- Cached input
- USD 0.36 / 1M
- This price since
- 2026-10-21T11:04:32+00:00
- FX used
- 1 EUR = 1.1234 USD (ECB)
- Billing
- per_token
Specification
- Context window (tokens)
- 262,144
- Max output
- 262,144
- Open weights
- yes
- Reasoning
- yes
- Source kind
- community
- Vendor
- thinkingmachines
- Region
- global
- Listing
- listing not verifiable
aggregator / community mirror: no first-party public page to check against - First seen
- 2026-10-21T11:04:32+00:00
- SKU id
llm/modelsdev/thinkingmachines/nvidia/nvidia-nemotron-3-ultra-550b-a55b-bf16:peft:262144
Other listings of this model
Sources can disagree. The provider's own listing is first-party; LiteLLM, OpenRouter and models.dev are community cross-checks. Differences are shown, not resolved.
| SKU | Source | Input / 1M | Output / 1M | vs this page | Last verified |
|---|---|---|---|---|---|
| llm/modelsdev/thinkingmachines/nvidia/nvidia-nemotron-3-ultra-550b-a55b-bf16 | modelsdev (community cross-check) | 1.80 | 6.225 | agrees | 2026-10-25T05:52:52+00:00 |
Price history (90 days)
| Observed (UTC) | Price | USD | EUR | Output / 1M | Snapshot |
|---|---|---|---|---|---|
| 2026-10-21T11:04:32+00:00 | USD 1.80 | 1.80 | 1.6023 | 6.225 | #561 |
Each row is a change point: the price held from that moment until the next row. Full history: JSON · CSV.
Changes
| Seen | Kind | Change |
|---|---|---|
| 2026-10-21T11:04:32+00:00 between 2026-10-21 and 2026-10-21 |
New SKU | 1.8 USD |
API: /v1/skus/llm/modelsdev/thinkingmachines/nvidia/nvidia-nemotron-3-ultra-550b-a55b-bf16:peft:262144
Cite this
Free to reuse under CC BY 4.0 with this credit. The numbers are list prices, not transacted prices.
InfraRabbit (2026). modelsdev Nemotron 3 Ultra 550B A55B [data as of 2026-10-25]. https://infrarabbit.com/llm/modelsdev/thinkingmachines/nvidia/nvidia-nemotron-3-ultra-550b-a55b-bf16:peft:262144 (accessed 2026-10-25). List prices, not transacted prices. CC BY 4.0.
BibTeX
@misc{infrarabbit_llm_modelsdev_thinkingmachines_nvidia_nvidia_nemotron_3_ultra_550b_a55b_bf16_peft_262144_2026,
author = {{InfraRabbit}},
title = {modelsdev Nemotron 3 Ultra 550B A55B},
year = {2026},
howpublished = {\url{https://infrarabbit.com/llm/modelsdev/thinkingmachines/nvidia/nvidia-nemotron-3-ultra-550b-a55b-bf16:peft:262144}},
note = {Data as of 2026-10-25; accessed 2026-10-25; list prices, not transacted prices; CC BY 4.0}
}