GR00T N1.7 3B vs Grok 4.5
At a Glance
| Compare |  GR00T N1.7 3BNVIDIA | Grok 4.5xAI |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | UnrankedNot in the 46-model eligible cohort | #25 of 4660.1 score · 3/3 sources · complete |
| CostLower is better · Published-token output estimate | UnrankedNot in the 44-model eligible cohort | #15 of 44$0.063 per LiveBench case |
| EfficiencyHigher is better · MM Efficiency v1.5 | UnrankedNot in the 38-model eligible cohort | #11 of 3859.2 score · 3/3 sources · complete |
| Pricing and Limits | ||
| Context windowMaximum documented tokens | Not reported | 500K |
| Model facts checked | Aug 29, 2026View model evidence → | Sep 3, 2026View model evidence → |
Available Benchmarks
Side-by-Side Facts
| Field | GR00T N1.7 3B | Grok 4.5 |
|---|---|---|
| Developer | NVIDIA | xAI |
| Family | Isaac GR00T | Grok 4 |
| Model | GR00T N1.7 3B | Grok 4.5 |
| Version | N1.7 | Grok 4.5 |
| Lifecycle | active | active |
| Released | 2026-07-07 | 2026-07-16 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image, Robot state | Text, Image |
| Output modalities | Robot action | Text |
| Context window | Unknown | 500K |
| Total parameters | 3B | Unknown |
| Active parameters | Unknown | Unknown |
| License | apache-2.0 | Unknown |
| Open weights | Yes | No |
| API available | No | Yes |
| Self-hostable | Yes | No |
| Provider access | Unknown | Xai (Standard) |
| Capabilities | cross-embodiment, dexterous-manipulation, whole-body-control, fine-tuning | chat, generation, reasoning, structured_outputs, tools |
| Robotics model type | Vision-language-action model | Unknown |
| Action representation | Predictive chunks of relative joint motions | Unknown |
| Control architecture | Vision-language backbone with action expert | Unknown |
| Inference location | On device | Unknown |
| Native control rate (Hz) | Unknown | Unknown |
| Supported embodiments | Unitree G1, AgiBot Genie-1, Fourier GR-1, bimanual manipulation platforms | Unknown |
| Training data | Mixture of real teleoperation, synthetic robot data, and internet-scale video described by NVIDIA. | Unknown |
GR00T N1.7 3B Capabilities
Grok 4.5 Capabilities
Related Comparisons
| A | Pair | B | Context |
|---|---|---|---|
GR00T N1.7 3BNVIDIA | vs |  GPT-6 AstraOpenAI | cross-developer peers |
Claude Fable 5.1Anthropic | vs | GR00T N1.7 3BNVIDIA | cross-developer peers |
 Gemini 3.1 ProGoogle DeepMind | vs | GR00T N1.7 3BNVIDIA | cross-developer peers |
 DeepSeek-V4.1-FlashDeepSeek | vs | GR00T N1.7 3BNVIDIA | cross-developer peers |
GR00T N1.7 3BNVIDIA | vs | Grok 4.6xAI | cross-developer peers |
GR00T N1.7 3BNVIDIA | vs |  Qwen3.8-MaxQwen | cross-developer peers |
 Kimi-K3Moonshot AI | vs | GR00T N1.7 3BNVIDIA | cross-developer peers |
 MiniMax-M3MiniMax | vs | GR00T N1.7 3BNVIDIA | cross-developer peers |
GR00T N1.7 3BNVIDIA | vs |  GLM-5.3Z.ai | cross-developer peers |
GR00T N1.7 3BNVIDIA | vs |  Hy4 previewTencent | cross-developer peers |
Seed 2.1 ProByteDance Seed | vs | GR00T N1.7 3BNVIDIA | cross-developer peers |
 Mistral Large 3Mistral AI | vs | GR00T N1.7 3BNVIDIA | cross-developer peers |
Primary Evidence
Sources and Freshness
Questions
GR00T N1.7 3B vs Grok 4.5 FAQs
Is GR00T N1.7 3B or Grok 4.5 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both GR00T N1.7 3B and Grok 4.5, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, GR00T N1.7 3B or Grok 4.5?+
Only Grok 4.5 has a directly sourced input price: $2.00 per million tokens. Only Grok 4.5 has a directly sourced output price: $6.00 per million tokens.
Which has a larger context window, GR00T N1.7 3B or Grok 4.5?+
Neither model has a larger sourced context window in this comparison. GR00T N1.7 3B is — and Grok 4.5 is 500K.
Which performs better in benchmarks, GR00T N1.7 3B or Grok 4.5?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can GR00T N1.7 3B or Grok 4.5 be self-hosted?+
GR00T N1.7 3B is the only model in this pair currently marked as self-hostable. GR00T N1.7 3B is open weight; Grok 4.5 is not marked open weight.
Can GR00T N1.7 3B and Grok 4.5 understand images?+
GR00T N1.7 3B is documented with image input; Grok 4.5 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, GR00T N1.7 3B or Grok 4.5?+
Neither has a larger sourced maximum output. GR00T N1.7 3B is — and Grok 4.5 is —.
Do GR00T N1.7 3B and Grok 4.5 support reasoning and tool use?+
GR00T N1.7 3B: image input. Grok 4.5: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, GR00T N1.7 3B or Grok 4.5?+
GR00T N1.7 3B has 0 sourced provider routes; Grok 4.5 has 1, so Grok 4.5 has broader tracked availability.
Which offers better value, GR00T N1.7 3B or Grok 4.5?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.