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Grok 4.3 vs Nemotron 3.5 Bolt (74B A9B 24GB)

Grok 4.3 and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched at 22.0 and 29.6 on the LLM Stats Score.

xAI · NVIDIA · Updated for 2026

Which is better?

Grok 4.3 and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched on the overall LLM Stats Score at 22.0 and 29.6.

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

Choose Grok 4.3

  • you want predictable pricing at $1.25/M input and $2.50/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 4.3
xAI
Nemotron 3.5 Bolt (74B A9B 24GB)
NVIDIA
Core performance indexes
LLM Stats Score
22.0
#202
29.6
#146
Reasoning
22.5
#193
28.9
#146
Agents
10.1
#141
11.9
#127
Cost, coverage & limits
Benchmark wins
—
—
Input price
$1.25 / M
— / M
Output price
$2.50 / M
— / M
Context window
1,000,000
—

Individual benchmarks

1 reported for Grok 4.3 · 10 for Nemotron 3.5 Bolt (74B A9B 24GB)

No common benchmarks found

Grok 4.3 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 4.3 specifies input context (1,000,000 tokens).

xAI
Grok 4.3
Input1,000,000 tokens
Output- tokens
NVIDIA
Nemotron 3.5 Bolt (74B A9B 24GB)
Input- tokens
Output- tokens
Fri Oct 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Nemotron 3.5 Bolt (74B A9B 24GB) supports multimodal inputs, whereas Grok 4.3 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 4.3

Text
Images
Audio
Video

Nemotron 3.5 Bolt (74B A9B 24GB)

Text
Images
Audio
Video

License

Usage and distribution terms

Grok 4.3 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 4.3

Proprietary

Closed source

Nemotron 3.5 Bolt (74B A9B 24GB)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

Grok 4.3 was released on 2026-05-06, while Nemotron 3.5 Bolt (74B A9B 24GB) was released on 2026-10-15.

Nemotron 3.5 Bolt (74B A9B 24GB) is 5 months newer than Grok 4.3.

Grok 4.3

May 6, 2026

5 months ago

Nemotron 3.5 Bolt (74B A9B 24GB)

Oct 15, 2026

4 days ago

5mo 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 4.3'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 4.3's cutoff date.

Grok 4.3

—

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 4.3 and Nemotron 3.5 Bolt (74B A9B 24GB) side-by-side, then vote on the output you prefer.

Grok 4.3
✓ Preferred
Nemotron 3.5 Bolt (74B A9B 24GB)
Open in Playground

FAQ

Common questions about Grok 4.3 vs Nemotron 3.5 Bolt (74B A9B 24GB).

Which is better, Grok 4.3 or Nemotron 3.5 Bolt (74B A9B 24GB)?

Grok 4.3 and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched on the LLM Stats Score at 22.0 and 29.6. Grok 4.3 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 4.3 compare to Nemotron 3.5 Bolt (74B A9B 24GB) in benchmarks?

Grok 4.3 scores Finance Agent v2: 37.7%. 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 4.3 and Nemotron 3.5 Bolt (74B A9B 24GB)?

Grok 4.3 supports 1.0M 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 4.3 and Nemotron 3.5 Bolt (74B A9B 24GB)?

Key differences include LLM Stats Score (22.0 vs 29.6), 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 4.3 and Nemotron 3.5 Bolt (74B A9B 24GB)?

Grok 4.3 is developed by xAI and Nemotron 3.5 Bolt (74B A9B 24GB) is developed by NVIDIA.

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