Comprehensive side-by-side LLM comparison
GPT OSS 20B leads with 17.7% 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.
Alibaba Cloud / Qwen Team
Qwen 2.5 Coder 7B was created as an efficient coding-specialized model, designed to bring strong programming capabilities to resource-conscious deployments. Built with 7 billion parameters optimized for code understanding and generation, it provides developers with a lightweight option for code-related tasks.
10 months newer

Qwen2.5-Coder 7B Instruct
Alibaba Cloud / Qwen Team
2024-09-19

GPT OSS 20B
OpenAI
2025-08-05
Context window and performance specifications
Average performance across 1 common benchmarks

GPT OSS 20B

Qwen2.5-Coder 7B Instruct
Available providers and their performance metrics

GPT OSS 20B
Groq
Novita
OpenAI
ZeroEval

GPT OSS 20B

Qwen2.5-Coder 7B Instruct

GPT OSS 20B

Qwen2.5-Coder 7B Instruct

Qwen2.5-Coder 7B Instruct