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GPT OSS 20B vs Nemotron Labs Dory 1.0 (4B)

GPT OSS 20B and Nemotron Labs Dory 1.0 (4B) are closely matched at 17.7 and 22.1 on the LLM Stats Score.

OpenAI · NVIDIA · Updated for 2026

Which is better?

GPT OSS 20B and Nemotron Labs Dory 1.0 (4B) are closely matched on the overall LLM Stats Score at 17.7 and 22.1.

The models split the 2 individual benchmarks reported for both models evenly.

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

Choose GPT OSS 20B

  • you want predictable pricing at $0.03/M input and $0.14/M output

Choose Nemotron Labs Dory 1.0 (4B)

  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

GPT OSS 20B
OpenAI
Nemotron Labs Dory 1.0 (4B)
NVIDIA
Core performance indexes
LLM Stats Score
17.7
#239
22.1
#202
Reasoning
15.3
#246
19.8
#213
Cost, coverage & limits
Benchmark wins
1 of 2
1 of 2
Input price
$0.03 / M
— / M
Output price
$0.14 / M
— / M
Context window
131,072
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GPT OSS 20B
Nemotron Labs Dory 1.0 (4B)
Math
16.9#209
12.2#245
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

7 reported for GPT OSS 20B · 10 for Nemotron Labs Dory 1.0 (4B)

2 shared

GPT OSS 20B outperforms in 1 benchmarks (Humanity's Last Exam), while Nemotron Labs Dory 1.0 (4B) is better at 1 benchmark (GPQA).

Both models are evenly matched across the benchmarks.

Tue Oct 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

16.9B diff

GPT OSS 20B has 16.9B more parameters than Nemotron Labs Dory 1.0 (4B), making it 422.5% larger.

OpenAI
GPT OSS 20B
20.9Bparameters
NVIDIA
Nemotron Labs Dory 1.0 (4B)
4.0Bparameters
20.9B
GPT OSS 20B
4.0B
Nemotron Labs Dory 1.0 (4B)

Context Window

Maximum input and output token capacity

Only GPT OSS 20B specifies input context (131,072 tokens). Only GPT OSS 20B specifies output context (131,072 tokens).

OpenAI
GPT OSS 20B
Input131,072 tokens
Output131,072 tokens
NVIDIA
Nemotron Labs Dory 1.0 (4B)
Input- tokens
Output- tokens
Tue Oct 20 2026 • llm-stats.com

License

Usage and distribution terms

GPT OSS 20B is licensed under Apache 2.0, 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 OSS 20B

Apache 2.0

Open weights

Nemotron Labs Dory 1.0 (4B)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

GPT OSS 20B was released on 2025-08-05, while Nemotron Labs Dory 1.0 (4B) was released on 2026-10-16.

Nemotron Labs Dory 1.0 (4B) is 15 months newer than GPT OSS 20B.

GPT OSS 20B

Aug 5, 2025

1.2 years ago

Nemotron Labs Dory 1.0 (4B)

Oct 16, 2026

4 days ago

1.2yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT OSS 20B and Nemotron Labs Dory 1.0 (4B) side-by-side, then vote on the output you prefer.

GPT OSS 20B
✓ Preferred
Nemotron Labs Dory 1.0 (4B)
Open in Playground

FAQ

Common questions about GPT OSS 20B vs Nemotron Labs Dory 1.0 (4B).

Which is better, GPT OSS 20B or Nemotron Labs Dory 1.0 (4B)?

GPT OSS 20B and Nemotron Labs Dory 1.0 (4B) are closely matched on the LLM Stats Score at 17.7 and 22.1. GPT OSS 20B 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 OSS 20B compare to Nemotron Labs Dory 1.0 (4B) in benchmarks?

GPT OSS 20B scores MMLU: 85.3%, CodeForces: 74.3%, GPQA: 71.5%, TAU-bench Retail: 54.8%, HealthBench: 42.5%. 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 OSS 20B and Nemotron Labs Dory 1.0 (4B)?

GPT OSS 20B supports 131K 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 OSS 20B and Nemotron Labs Dory 1.0 (4B)?

Key differences include LLM Stats Score (17.7 vs 22.1), licensing (Apache 2.0 vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT OSS 20B and Nemotron Labs Dory 1.0 (4B)?

GPT OSS 20B is developed by OpenAI and Nemotron Labs Dory 1.0 (4B) is developed by NVIDIA.

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