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Grok-4 vs Nemotron 3.5 Bolt (74B A9B 24GB)

Grok-4 and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched at 33.5 and 29.6 on the LLM Stats Score.

xAI · NVIDIA · Updated for 2026

Which is better?

Grok-4 and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched on the overall LLM Stats Score at 33.5 and 29.6.

In the 2 individual benchmarks reported for both models, Grok-4 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

  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results

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-4
xAI
Nemotron 3.5 Bolt (74B A9B 24GB)
NVIDIA
Core performance indexes
LLM Stats Score
33.5
#119
29.6
#146
Reasoning
32.7
#120
28.9
#146
Coding
17.1
#142
14.4
#154
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$3.00 / M
— / M
Output price
$15.00 / M
— / M
Context window
256,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Grok-4
Nemotron 3.5 Bolt (74B A9B 24GB)
Math
31.5#72
23.4#140
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

7 reported for Grok-4 · 10 for Nemotron 3.5 Bolt (74B A9B 24GB)

2 shared

Grok-4 outperforms in 2 benchmarks (GPQA, Humanity's Last Exam), while Nemotron 3.5 Bolt (74B A9B 24GB) is better at 0 benchmarks.

Grok-4 significantly outperforms across most benchmarks.

Thu Oct 22 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-4 specifies input context (256,000 tokens). Only Grok-4 specifies output context (8,000 tokens).

xAI
Grok-4
Input256,000 tokens
Output8,000 tokens
NVIDIA
Nemotron 3.5 Bolt (74B A9B 24GB)
Input- tokens
Output- tokens
Thu Oct 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Grok-4 and Nemotron 3.5 Bolt (74B A9B 24GB) support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Grok-4

Text
Images
Audio
Video

Nemotron 3.5 Bolt (74B A9B 24GB)

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-4 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-4

Proprietary

Closed source

Nemotron 3.5 Bolt (74B A9B 24GB)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

Grok-4 was released on 2025-07-09, while Nemotron 3.5 Bolt (74B A9B 24GB) was released on 2026-10-15.

Nemotron 3.5 Bolt (74B A9B 24GB) is 15 months newer than Grok-4.

Grok-4

Jul 9, 2025

1.3 years ago

Nemotron 3.5 Bolt (74B A9B 24GB)

Oct 15, 2026

1 weeks ago

1.3yr newer

Knowledge Cutoff

When training data ends

Grok-4 has a knowledge cutoff of 2024-12-31, while Nemotron 3.5 Bolt (74B A9B 24GB) has a cutoff of 2026-05-01.

Nemotron 3.5 Bolt (74B A9B 24GB) has more recent training data (up to 2026-05-01), making it potentially better informed about events through that date compared to Grok-4 (2024-12-31).

Grok-4

Dec 2024

Nemotron 3.5 Bolt (74B A9B 24GB)

May 2026

1.4 yr newer

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Grok-4 and Nemotron 3.5 Bolt (74B A9B 24GB) side-by-side, then vote on the output you prefer.

Grok-4
✓ Preferred
Nemotron 3.5 Bolt (74B A9B 24GB)
Open in Playground

FAQ

Common questions about Grok-4 vs Nemotron 3.5 Bolt (74B A9B 24GB).

Which is better, Grok-4 or Nemotron 3.5 Bolt (74B A9B 24GB)?

Grok-4 and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched on the LLM Stats Score at 33.5 and 29.6. Grok-4 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-4 compare to Nemotron 3.5 Bolt (74B A9B 24GB) in benchmarks?

Grok-4 scores AIME 2025: 91.7%, HMMT25: 90.0%, GPQA: 87.5%, LiveCodeBench: 79.0%, Humanity's Last Exam: 40.0%. 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-4 and Nemotron 3.5 Bolt (74B A9B 24GB)?

Grok-4 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-4 and Nemotron 3.5 Bolt (74B A9B 24GB)?

Key differences include LLM Stats Score (33.5 vs 29.6), licensing (Proprietary vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-4 and Nemotron 3.5 Bolt (74B A9B 24GB)?

Grok-4 is developed by xAI and Nemotron 3.5 Bolt (74B A9B 24GB) is developed by NVIDIA.

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