Comprehensive side-by-side LLM comparison
GPT OSS 20B leads with 7.5% higher average benchmark score. GPT OSS 20B is available on 4 providers. Overall, GPT OSS 20B is the stronger choice for coding tasks.
OpenAI
GPT-OSS 20B was created as a smaller open-source variant, designed to balance capability with accessibility for researchers and developers. Built with 20 billion parameters, it provides a more approachable entry point for those seeking to work with open-source language models while benefiting from OpenAI's architectural insights.
NVIDIA
Nemotron Nano 9B v2 is a language model developed by NVIDIA. It achieves strong performance with an average score of 77.0% across 6 benchmarks. It excels particularly in MATH-500 (97.8%), IFEval (90.3%), AIME 2025 (72.1%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents NVIDIA's latest advancement in AI technology.
13 days newer

GPT OSS 20B
OpenAI
2025-08-05

Nemotron Nano 9B v2
NVIDIA
2025-08-18
Context window and performance specifications
Average performance across 1 common benchmarks

GPT OSS 20B

Nemotron Nano 9B v2
Nemotron Nano 9B v2
2024-09
Available providers and their performance metrics

GPT OSS 20B
Groq
Novita
OpenAI
ZeroEval

GPT OSS 20B

Nemotron Nano 9B v2

GPT OSS 20B

Nemotron Nano 9B v2

Nemotron Nano 9B v2