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Nemotron 3.5 Bolt (74B A9B 24GB) vs Solar Pro 4

Nemotron 3.5 Bolt (74B A9B 24GB) and Solar Pro 4 are closely matched at 29.9 and 35.0 on the LLM Stats Score.

NVIDIA · Upstage · Updated for 2026

Which is better?

Nemotron 3.5 Bolt (74B A9B 24GB) and Solar Pro 4 are closely matched on the overall LLM Stats Score at 29.9 and 35.0.

In the 5 individual benchmarks reported for both models, Solar Pro 4 wins 4; 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 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

Choose Solar Pro 4

  • you value its reported benchmark strengths — it wins 4 of 5 exact shared results

At a glance

The differences that matter most.

Nemotron 3.5 Bolt (74B A9B 24GB)
NVIDIA
Solar Pro 4
Upstage
Core performance indexes
LLM Stats Score
29.9
#142
35.0
#107
Reasoning
29.2
#143
34.7
#103
Coding
14.8
#151
20.6
#112
Agents
12.4
#124
12.0
#128
Cost, coverage & limits
Benchmark wins
1 of 5
4 of 5
Input price
— / M
$0.30 / M
Output price
— / M
$1.20 / M
Context window
—
524,288

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Nemotron 3.5 Bolt (74B A9B 24GB)
Solar Pro 4
Math
23.6#135
32.4#63
Tool use
5.6#168
9.6#149
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

10 reported for Nemotron 3.5 Bolt (74B A9B 24GB) · 9 for Solar Pro 4

5 shared

Nemotron 3.5 Bolt (74B A9B 24GB) outperforms in 1 benchmarks (BrowseComp), while Solar Pro 4 is better at 4 benchmarks (AA-LCR, GPQA, Tau3 Banking, Terminal-Bench 2.1).

Solar Pro 4 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 Solar Pro 4 specifies input context (524,288 tokens). Only Solar Pro 4 specifies output context (131,072 tokens).

NVIDIA
Nemotron 3.5 Bolt (74B A9B 24GB)
Input- tokens
Output- tokens
Upstage
Solar Pro 4
Input524,288 tokens
Output131,072 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 Solar Pro 4 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.

Nemotron 3.5 Bolt (74B A9B 24GB)

Text
Images
Audio
Video

Solar Pro 4

Text
Images
Audio
Video

License

Usage and distribution terms

Nemotron 3.5 Bolt (74B A9B 24GB) is licensed under OpenMDW License v1.1, while Solar Pro 4 uses a proprietary license.

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

Nemotron 3.5 Bolt (74B A9B 24GB)

OpenMDW License v1.1

Open weights

Solar Pro 4

Proprietary

Closed source

Release Timeline

When each model was launched

Nemotron 3.5 Bolt (74B A9B 24GB) was released on 2026-10-15, while Solar Pro 4 was released on 2026-08-06.

Nemotron 3.5 Bolt (74B A9B 24GB) is 2 months newer than Solar Pro 4.

Nemotron 3.5 Bolt (74B A9B 24GB)

Oct 15, 2026

4 days ago

2mo newer
Solar Pro 4

Aug 6, 2026

2 months ago

Knowledge Cutoff

When training data ends

Nemotron 3.5 Bolt (74B A9B 24GB) has a documented knowledge cutoff of 2026-05-01, while Solar Pro 4'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 Solar Pro 4's cutoff date.

Nemotron 3.5 Bolt (74B A9B 24GB)

May 2026

Solar Pro 4

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

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

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

FAQ

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

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

Nemotron 3.5 Bolt (74B A9B 24GB) and Solar Pro 4 are closely matched on the LLM Stats Score at 29.9 and 35.0. Nemotron 3.5 Bolt (74B A9B 24GB) is made by NVIDIA and Solar Pro 4 is made by Upstage. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Nemotron 3.5 Bolt (74B A9B 24GB) compare to Solar Pro 4 in benchmarks?

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%. Solar Pro 4 scores AIME 2026: 95.3%, GPQA: 89.0%, LiveCodeBench: 87.8%, MMLU-Pro: 86.3%, AA-LCR: 71.0%.

What are the context window sizes for Nemotron 3.5 Bolt (74B A9B 24GB) and Solar Pro 4?

Nemotron 3.5 Bolt (74B A9B 24GB) supports an unknown number of tokens and Solar Pro 4 supports 524K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Nemotron 3.5 Bolt (74B A9B 24GB) and Solar Pro 4?

Key differences include LLM Stats Score (29.9 vs 35.0), multimodal support (yes vs no), licensing (OpenMDW License v1.1 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Nemotron 3.5 Bolt (74B A9B 24GB) and Solar Pro 4?

Nemotron 3.5 Bolt (74B A9B 24GB) is developed by NVIDIA and Solar Pro 4 is developed by Upstage.

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