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Grok-4 Heavy vs Nemotron Labs Dory 1.0 (4B)

Grok-4 Heavy leads the LLM Stats Score 40.7 to 22.1.

xAI · NVIDIA · Updated for 2026

Which is better?

Grok-4 Heavy leads the overall LLM Stats Score 40.7 to 22.1, ranking #71 overall.

In the 2 individual benchmarks reported for both models, Grok-4 Heavy wins 2; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Grok-4 Heavy

  • overall performance matters — it scores 40.7 and ranks #71 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results

Choose Nemotron Labs Dory 1.0 (4B)

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Grok-4 Heavy
xAI
Nemotron Labs Dory 1.0 (4B)
NVIDIA
Core performance indexes
LLM Stats Score
40.7
#71
22.1
#202
Reasoning
39.0
#73
19.8
#213
Coding
17.6
#134
2.9
#241
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Grok-4 Heavy
Nemotron Labs Dory 1.0 (4B)
Math
41.7#8
12.2#245
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

6 reported for Grok-4 Heavy · 10 for Nemotron Labs Dory 1.0 (4B)

2 shared

Grok-4 Heavy outperforms in 2 benchmarks (GPQA, Humanity's Last Exam), while Nemotron Labs Dory 1.0 (4B) is better at 0 benchmarks.

Grok-4 Heavy significantly outperforms across most benchmarks.

Mon Oct 19 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Input capabilities

Documented input modalities across available providers

Grok-4 Heavy supports multimodal inputs, whereas Nemotron Labs Dory 1.0 (4B) does not.

Grok-4 Heavy can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok-4 Heavy

Text
Images
Audio
Video

Nemotron Labs Dory 1.0 (4B)

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-4 Heavy is licensed under a proprietary license, while Nemotron Labs Dory 1.0 (4B) uses OpenMDW License v1.1.

License differences may affect how you can use these models in commercial or open-source projects.

Grok-4 Heavy

Proprietary

Closed source

Nemotron Labs Dory 1.0 (4B)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

Nemotron Labs Dory 1.0 (4B) was released on 2026-10-16, while Grok-4 Heavy's release date is not specified.

We can confirm Nemotron Labs Dory 1.0 (4B)'s release timeline, but cannot make a direct age comparison without Grok-4 Heavy's release date.

Grok-4 Heavy

—

Nemotron Labs Dory 1.0 (4B)

Oct 16, 2026

1 days ago

Knowledge Cutoff

When training data ends

Grok-4 Heavy has a documented knowledge cutoff of 2024-12-31, while Nemotron Labs Dory 1.0 (4B)'s cutoff date is not specified.

We can confirm Grok-4 Heavy's training data extends to 2024-12-31, but cannot make a direct comparison without Nemotron Labs Dory 1.0 (4B)'s cutoff date.

Grok-4 Heavy

Dec 2024

Nemotron Labs Dory 1.0 (4B)

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Grok-4 Heavy and Nemotron Labs Dory 1.0 (4B) side-by-side, then vote on the output you prefer.

Grok-4 Heavy
✓ Preferred
Nemotron Labs Dory 1.0 (4B)
Open in Playground

FAQ

Common questions about Grok-4 Heavy vs Nemotron Labs Dory 1.0 (4B).

Which is better, Grok-4 Heavy or Nemotron Labs Dory 1.0 (4B)?

Grok-4 Heavy leads the LLM Stats Score 40.7 to 22.1. Grok-4 Heavy is made by xAI and Nemotron Labs Dory 1.0 (4B) is made by NVIDIA. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Grok-4 Heavy compare to Nemotron Labs Dory 1.0 (4B) in benchmarks?

Grok-4 Heavy scores AIME 2025: 100.0%, HMMT25: 96.7%, GPQA: 88.4%, LiveCodeBench: 79.4%, USAMO25: 61.9%. Nemotron Labs Dory 1.0 (4B) scores IFBench: 77.9%, GPQA: 72.4%, AA-LCR: 71.0%, SWE-Bench Verified: 59.5%, SciCode: 34.9%.

What are the main differences between Grok-4 Heavy and Nemotron Labs Dory 1.0 (4B)?

Key differences include LLM Stats Score (40.7 vs 22.1), multimodal support (yes vs no), licensing (Proprietary vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-4 Heavy and Nemotron Labs Dory 1.0 (4B)?

Grok-4 Heavy is developed by xAI and Nemotron Labs Dory 1.0 (4B) is developed by NVIDIA.

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