Grok 4.7 vs Nemotron 3 Ultra (550B A55B)
Grok 4.7 leads the LLM Stats Score 48.5 to 36.2. Nemotron 3 Ultra (550B A55B) is 3.2x cheaper per token.
xAI · NVIDIA · Updated for 2026
Which is better?
Grok 4.7 leads the overall LLM Stats Score 48.5 to 36.2, ranking #23 overall.
On price, Nemotron 3 Ultra (550B A55B) is roughly 3.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Grok 4.7 also accepts a larger context window (500,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Grok 4.7
- overall performance matters — it scores 48.5 and ranks #23 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you process long inputs — it offers a 500,000 token context window
- you want the most recent training data — it shipped Sep 2026
Choose Nemotron 3 Ultra (550B A55B)
- cost matters — it's about 3.2x cheaper per token
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Individual benchmarks
23 reported for Grok 4.7 · 26 for Nemotron 3 Ultra (550B A55B)
Grok 4.7 and Nemotron 3 Ultra (550B A55B)don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Grok 4.7 ($2.00/1M tokens) is 4.0x more expensive than Nemotron 3 Ultra (550B A55B) ($0.50/1M tokens).
For output processing, Grok 4.7 ($6.00/1M tokens) is 2.7x more expensive than Nemotron 3 Ultra (550B A55B) ($2.20/1M tokens).
In conclusion, Grok 4.7 is more expensive than Nemotron 3 Ultra (550B A55B).*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Grok 4.7 accepts 500,000 input tokens compared to Nemotron 3 Ultra (550B A55B)'s 262,144 tokens. Only Nemotron 3 Ultra (550B A55B) specifies output context (262,144 tokens).
Input capabilities
Documented input modalities across available providers
Grok 4.7 supports multimodal inputs, whereas Nemotron 3 Ultra (550B A55B) does not.
Grok 4.7 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Grok 4.7
Nemotron 3 Ultra (550B A55B)
License
Usage and distribution terms
Grok 4.7 is licensed under a proprietary license, while Nemotron 3 Ultra (550B A55B) uses OpenMDW License v1.1.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
OpenMDW License v1.1
Open weights
Release Timeline
When each model was launched
Grok 4.7 was released on 2026-09-21, while Nemotron 3 Ultra (550B A55B) was released on 2026-06-04.
Grok 4.7 is 4 months newer than Nemotron 3 Ultra (550B A55B).
Sep 21, 2026
1 days ago
3mo newerJun 4, 2026
3 months ago
Knowledge Cutoff
When training data ends
Grok 4.7 has a knowledge cutoff of 2026-06-01, while Nemotron 3 Ultra (550B A55B) has a cutoff of 2025-09-30.
Grok 4.7 has more recent training data (up to 2026-06-01), making it potentially better informed about events through that date compared to Nemotron 3 Ultra (550B A55B) (2025-09-30).
Jun 2026
9 mo newerSep 2025
Provider Availability
Grok 4.7 is available from xAI. Nemotron 3 Ultra (550B A55B) is available from DeepInfra.
Grok 4.7
Nemotron 3 Ultra (550B A55B)
Outputs Comparison
Judge for yourself.
Run your own prompts against Grok 4.7 and Nemotron 3 Ultra (550B A55B) side-by-side, then vote on the output you prefer.
FAQ
Common questions about Grok 4.7 vs Nemotron 3 Ultra (550B A55B).