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GPT-5.5 Pro vs Nemotron Labs Dory 1.0 (4B)

GPT-5.5 Pro leads the LLM Stats Score 45.9 to 21.8.

OpenAI · NVIDIA · Updated for 2026

Which is better?

GPT-5.5 Pro leads the overall LLM Stats Score 45.9 to 21.8, ranking #38 overall.

In the 1 individual benchmarks reported for both models, GPT-5.5 Pro wins 1; 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 GPT-5.5 Pro

  • overall performance matters — it scores 45.9 and ranks #38 on LLM Stats
  • your work emphasizes reasoning and agents — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results

Choose Nemotron Labs Dory 1.0 (4B)

  • 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.

GPT-5.5 Pro
OpenAI
Nemotron Labs Dory 1.0 (4B)
NVIDIA
Core performance indexes
LLM Stats Score
45.9
#38
21.8
#203
Reasoning
45.9
#34
19.6
#216
Agents
31.1
#41
-1.8
#203
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$30.00 / M
— / M
Output price
$180.00 / M
— / M
Context window
1,050,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GPT-5.5 Pro
Nemotron Labs Dory 1.0 (4B)
Math
37.6#31
12.1#246
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

5 reported for GPT-5.5 Pro · 10 for Nemotron Labs Dory 1.0 (4B)

1 shared

GPT-5.5 Pro outperforms in 1 benchmarks (Humanity's Last Exam), while Nemotron Labs Dory 1.0 (4B) is better at 0 benchmarks.

GPT-5.5 Pro significantly outperforms across most benchmarks.

Fri Oct 23 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only GPT-5.5 Pro specifies input context (1,050,000 tokens). Only GPT-5.5 Pro specifies output context (128,000 tokens).

OpenAI
GPT-5.5 Pro
Input1,050,000 tokens
Output128,000 tokens
NVIDIA
Nemotron Labs Dory 1.0 (4B)
Input- tokens
Output- tokens
Fri Oct 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-5.5 Pro supports multimodal inputs, whereas Nemotron Labs Dory 1.0 (4B) does not.

GPT-5.5 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-5.5 Pro

Text
Images
Audio
Video

Nemotron Labs Dory 1.0 (4B)

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.5 Pro is licensed under a proprietary license, while Nemotron Labs Dory 1.0 (4B) uses OpenMDW License v1.1.

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

GPT-5.5 Pro

Proprietary

Closed source

Nemotron Labs Dory 1.0 (4B)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

GPT-5.5 Pro was released on 2026-04-23, while Nemotron Labs Dory 1.0 (4B) was released on 2026-10-16.

Nemotron Labs Dory 1.0 (4B) is 6 months newer than GPT-5.5 Pro.

GPT-5.5 Pro

Apr 23, 2026

6 months ago

Nemotron Labs Dory 1.0 (4B)

Oct 16, 2026

6 days ago

5mo newer

Knowledge Cutoff

When training data ends

GPT-5.5 Pro has a documented knowledge cutoff of 2025-12-01, while Nemotron Labs Dory 1.0 (4B)'s cutoff date is not specified.

We can confirm GPT-5.5 Pro's training data extends to 2025-12-01, but cannot make a direct comparison without Nemotron Labs Dory 1.0 (4B)'s cutoff date.

GPT-5.5 Pro

Dec 2025

Nemotron Labs Dory 1.0 (4B)

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-5.5 Pro and Nemotron Labs Dory 1.0 (4B) side-by-side, then vote on the output you prefer.

GPT-5.5 Pro
✓ Preferred
Nemotron Labs Dory 1.0 (4B)
Open in Playground

FAQ

Common questions about GPT-5.5 Pro vs Nemotron Labs Dory 1.0 (4B).

Which is better, GPT-5.5 Pro or Nemotron Labs Dory 1.0 (4B)?

GPT-5.5 Pro leads the LLM Stats Score 45.9 to 21.8. GPT-5.5 Pro is made by OpenAI and Nemotron Labs Dory 1.0 (4B) is made by NVIDIA. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-5.5 Pro compare to Nemotron Labs Dory 1.0 (4B) in benchmarks?

GPT-5.5 Pro scores BrowseComp: 90.1%, GDPval-MM: 82.3%, Humanity's Last Exam: 57.2%, FrontierMath: 39.6%, GeneBench: 33.2%. Nemotron Labs Dory 1.0 (4B) scores IFBench: 77.9%, GPQA: 72.4%, AA-LCR: 71.0%, SWE-Bench Verified: 59.5%, SciCode: 34.9%.

What are the context window sizes for GPT-5.5 Pro and Nemotron Labs Dory 1.0 (4B)?

GPT-5.5 Pro supports 1.1M tokens and Nemotron Labs Dory 1.0 (4B) 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 GPT-5.5 Pro and Nemotron Labs Dory 1.0 (4B)?

Key differences include LLM Stats Score (45.9 vs 21.8), multimodal support (yes vs no), licensing (Proprietary vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5.5 Pro and Nemotron Labs Dory 1.0 (4B)?

GPT-5.5 Pro is developed by OpenAI and Nemotron Labs Dory 1.0 (4B) is developed by NVIDIA.

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