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Grok Code Fast 1 vs Nemotron Labs Dory 1.0 (4B)

Grok Code Fast 1 and Nemotron Labs Dory 1.0 (4B) are closely matched at 20.6 and 22.1 on the LLM Stats Score.

xAI · NVIDIA · Updated for 2026

Which is better?

Grok Code Fast 1 and Nemotron Labs Dory 1.0 (4B) are closely matched on the overall LLM Stats Score at 20.6 and 22.1.

In the 1 individual benchmarks reported for both models, Grok Code Fast 1 wins 1; 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 Code Fast 1

  • your work emphasizes coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results

Choose Nemotron Labs Dory 1.0 (4B)

  • you want the most recent training data — it shipped Oct 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Grok Code Fast 1
xAI
Nemotron Labs Dory 1.0 (4B)
NVIDIA
Core performance indexes
LLM Stats Score
20.6
#216
22.1
#202
Reasoning
20.4
#206
19.8
#213
Coding
12.8
#161
2.9
#241
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$0.20 / M
— / M
Output price
$1.50 / M
— / M
Context window
256,000
—

Individual benchmarks

1 reported for Grok Code Fast 1 · 10 for Nemotron Labs Dory 1.0 (4B)

1 shared

Grok Code Fast 1 outperforms in 1 benchmarks (SWE-Bench Verified), while Nemotron Labs Dory 1.0 (4B) is better at 0 benchmarks.

Grok Code Fast 1 significantly outperforms across most benchmarks.

Mon Oct 19 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Grok Code Fast 1 specifies input context (256,000 tokens). Only Grok Code Fast 1 specifies output context (10,000 tokens).

xAI
Grok Code Fast 1
Input256,000 tokens
Output10,000 tokens
NVIDIA
Nemotron Labs Dory 1.0 (4B)
Input- tokens
Output- tokens
Mon Oct 19 2026 • llm-stats.com

License

Usage and distribution terms

Grok Code Fast 1 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 Code Fast 1

Proprietary

Closed source

Nemotron Labs Dory 1.0 (4B)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

Grok Code Fast 1 was released on 2025-08-28, while Nemotron Labs Dory 1.0 (4B) was released on 2026-10-16.

Nemotron Labs Dory 1.0 (4B) is 14 months newer than Grok Code Fast 1.

Grok Code Fast 1

Aug 28, 2025

1.1 years ago

Nemotron Labs Dory 1.0 (4B)

Oct 16, 2026

3 days ago

1.1yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Grok Code Fast 1 and Nemotron Labs Dory 1.0 (4B) side-by-side, then vote on the output you prefer.

Grok Code Fast 1
✓ Preferred
Nemotron Labs Dory 1.0 (4B)
Open in Playground

FAQ

Common questions about Grok Code Fast 1 vs Nemotron Labs Dory 1.0 (4B).

Which is better, Grok Code Fast 1 or Nemotron Labs Dory 1.0 (4B)?

Grok Code Fast 1 and Nemotron Labs Dory 1.0 (4B) are closely matched on the LLM Stats Score at 20.6 and 22.1. Grok Code Fast 1 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 Code Fast 1 compare to Nemotron Labs Dory 1.0 (4B) in benchmarks?

Grok Code Fast 1 scores SWE-Bench Verified: 70.8%. 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 context window sizes for Grok Code Fast 1 and Nemotron Labs Dory 1.0 (4B)?

Grok Code Fast 1 supports 256K tokens and Nemotron Labs Dory 1.0 (4B) supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok Code Fast 1 and Nemotron Labs Dory 1.0 (4B)?

Key differences include LLM Stats Score (20.6 vs 22.1), licensing (Proprietary vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok Code Fast 1 and Nemotron Labs Dory 1.0 (4B)?

Grok Code Fast 1 is developed by xAI and Nemotron Labs Dory 1.0 (4B) is developed by NVIDIA.

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