The AI arena is free today

Open Superagent

Nemotron 3.5 Bolt (74B A9B 24GB) vs Seed 2.1 Pro

Seed 2.1 Pro leads the LLM Stats Score 45.8 to 29.9.

NVIDIA · ByteDance · Updated for 2026

Which is better?

Seed 2.1 Pro leads the overall LLM Stats Score 45.8 to 29.9, ranking #39 overall.

In the 5 individual benchmarks reported for both models, Seed 2.1 Pro wins 5; 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 Seed 2.1 Pro

  • overall performance matters — it scores 45.8 and ranks #39 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 5 of 5 exact shared results

At a glance

The differences that matter most.

Nemotron 3.5 Bolt (74B A9B 24GB)
NVIDIA
Seed 2.1 Pro
ByteDance
Core performance indexes
LLM Stats Score
29.9
#142
45.8
#39
Reasoning
29.2
#143
47.2
#26
Coding
14.8
#151
31.9
#49
Agents
12.4
#124
31.1
#41
Cost, coverage & limits
Benchmark wins
0 of 5
5 of 5
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Nemotron 3.5 Bolt (74B A9B 24GB)
Seed 2.1 Pro
Math
23.6#135
40.1#15
Tool use
5.6#168
24.7#38
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

10 reported for Nemotron 3.5 Bolt (74B A9B 24GB) · 94 for Seed 2.1 Pro

5 shared

Nemotron 3.5 Bolt (74B A9B 24GB) outperforms in 0 benchmarks, while Seed 2.1 Pro is better at 5 benchmarks (BrowseComp, Humanity's Last Exam, MCP Atlas, SciCode, Terminal-Bench 2.1).

Seed 2.1 Pro significantly outperforms across most benchmarks.

Mon Oct 19 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Input capabilities

Documented input modalities across available providers

Both Nemotron 3.5 Bolt (74B A9B 24GB) and Seed 2.1 Pro support multimodal inputs.

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

Nemotron 3.5 Bolt (74B A9B 24GB)

Text
Images
Audio
Video

Seed 2.1 Pro

Text
Images
Audio
Video

License

Usage and distribution terms

Nemotron 3.5 Bolt (74B A9B 24GB) is licensed under OpenMDW License v1.1, while Seed 2.1 Pro 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

Seed 2.1 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Nemotron 3.5 Bolt (74B A9B 24GB) was released on 2026-10-15, while Seed 2.1 Pro was released on 2026-06-24.

Nemotron 3.5 Bolt (74B A9B 24GB) is 4 months newer than Seed 2.1 Pro.

Nemotron 3.5 Bolt (74B A9B 24GB)

Oct 15, 2026

4 days ago

3mo newer
Seed 2.1 Pro

Jun 24, 2026

3 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 Seed 2.1 Pro'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 Seed 2.1 Pro's cutoff date.

Nemotron 3.5 Bolt (74B A9B 24GB)

May 2026

Seed 2.1 Pro

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Nemotron 3.5 Bolt (74B A9B 24GB) and Seed 2.1 Pro side-by-side, then vote on the output you prefer.

Nemotron 3.5 Bolt (74B A9B 24GB)
✓ Preferred
Seed 2.1 Pro
Open in Playground

FAQ

Common questions about Nemotron 3.5 Bolt (74B A9B 24GB) vs Seed 2.1 Pro.

Which is better, Nemotron 3.5 Bolt (74B A9B 24GB) or Seed 2.1 Pro?

Seed 2.1 Pro leads the LLM Stats Score 45.8 to 29.9. Nemotron 3.5 Bolt (74B A9B 24GB) is made by NVIDIA and Seed 2.1 Pro is made by ByteDance. 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 Seed 2.1 Pro 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%. Seed 2.1 Pro scores CharXiv-D: 95.5%, MathVision: 94.5%, MathVista: 90.7%, MathVerse: 89.7%, Video-MME: 89.2%.

What are the main differences between Nemotron 3.5 Bolt (74B A9B 24GB) and Seed 2.1 Pro?

Key differences include LLM Stats Score (29.9 vs 45.8), 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 Seed 2.1 Pro?

Nemotron 3.5 Bolt (74B A9B 24GB) is developed by NVIDIA and Seed 2.1 Pro is developed by ByteDance.

Related comparisons