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Grok Code Fast 1 vs Nemotron 3.5 Bolt (74B A9B 24GB)

Grok Code Fast 1 and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched at 20.6 and 29.9 on the LLM Stats Score.

xAI · NVIDIA · Updated for 2026

Which is better?

Grok Code Fast 1 and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched on the overall LLM Stats Score at 20.6 and 29.9.

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

Choose Grok Code Fast 1

  • you want predictable pricing at $0.20/M input and $1.50/M output

Choose Nemotron 3.5 Bolt (74B A9B 24GB)

  • 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 3.5 Bolt (74B A9B 24GB)
NVIDIA
Core performance indexes
LLM Stats Score
20.6
#216
29.9
#142
Reasoning
20.4
#206
29.2
#143
Coding
12.8
#161
14.8
#151
Cost, coverage & limits
Benchmark wins
—
—
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 3.5 Bolt (74B A9B 24GB)

No common benchmarks found

Grok Code Fast 1 and Nemotron 3.5 Bolt (74B A9B 24GB)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

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 3.5 Bolt (74B A9B 24GB)
Input- tokens
Output- tokens
Mon Oct 19 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Nemotron 3.5 Bolt (74B A9B 24GB) supports multimodal inputs, whereas Grok Code Fast 1 does not.

Nemotron 3.5 Bolt (74B A9B 24GB) can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok Code Fast 1

Text
Images
Audio
Video

Nemotron 3.5 Bolt (74B A9B 24GB)

Text
Images
Audio
Video

License

Usage and distribution terms

Grok Code Fast 1 is licensed under a proprietary license, while Nemotron 3.5 Bolt (74B A9B 24GB) 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 3.5 Bolt (74B A9B 24GB)

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 3.5 Bolt (74B A9B 24GB) was released on 2026-10-15.

Nemotron 3.5 Bolt (74B A9B 24GB) is 14 months newer than Grok Code Fast 1.

Grok Code Fast 1

Aug 28, 2025

1.1 years ago

Nemotron 3.5 Bolt (74B A9B 24GB)

Oct 15, 2026

4 days ago

1.1yr newer

Knowledge Cutoff

When training data ends

Nemotron 3.5 Bolt (74B A9B 24GB) has a documented knowledge cutoff of 2026-05-01, while Grok Code Fast 1's cutoff date is not specified.

We can confirm Nemotron 3.5 Bolt (74B A9B 24GB)'s training data extends to 2026-05-01, but cannot make a direct comparison without Grok Code Fast 1's cutoff date.

Grok Code Fast 1

—

Nemotron 3.5 Bolt (74B A9B 24GB)

May 2026

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Grok Code Fast 1 and Nemotron 3.5 Bolt (74B A9B 24GB) side-by-side, then vote on the output you prefer.

Grok Code Fast 1
✓ Preferred
Nemotron 3.5 Bolt (74B A9B 24GB)
Open in Playground

FAQ

Common questions about Grok Code Fast 1 vs Nemotron 3.5 Bolt (74B A9B 24GB).

Which is better, Grok Code Fast 1 or Nemotron 3.5 Bolt (74B A9B 24GB)?

Grok Code Fast 1 and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched on the LLM Stats Score at 20.6 and 29.9. Grok Code Fast 1 is made by xAI and Nemotron 3.5 Bolt (74B A9B 24GB) 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 3.5 Bolt (74B A9B 24GB) in benchmarks?

Grok Code Fast 1 scores SWE-Bench Verified: 70.8%. Nemotron 3.5 Bolt (74B A9B 24GB) scores PinchBench: 87.8%, GPQA: 86.4%, BrowseComp: 66.8%, AA-LCR: 64.1%, MCP Atlas: 52.2%.

What are the context window sizes for Grok Code Fast 1 and Nemotron 3.5 Bolt (74B A9B 24GB)?

Grok Code Fast 1 supports 256K tokens and Nemotron 3.5 Bolt (74B A9B 24GB) 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 3.5 Bolt (74B A9B 24GB)?

Key differences include LLM Stats Score (20.6 vs 29.9), multimodal support (no vs yes), 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 3.5 Bolt (74B A9B 24GB)?

Grok Code Fast 1 is developed by xAI and Nemotron 3.5 Bolt (74B A9B 24GB) is developed by NVIDIA.

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