Comprehensive side-by-side LLM comparison
GPT OSS 20B offers 6.1K more tokens in context window than Devstral Medium. GPT OSS 20B is $2.15 cheaper per million tokens. GPT OSS 20B is available on 4 providers. Both models have their strengths depending on your specific coding needs.
Mistral AI
Devstral Medium was created as a development-focused model, designed to assist with software engineering workflows and developer-centric tasks. Built to provide balanced capability for coding, debugging, and technical documentation, it serves as a versatile tool for professional development environments.
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.
26 days newer

Devstral Medium
Mistral AI
2025-07-10

GPT OSS 20B
OpenAI
2025-08-05
Cost per million tokens (USD)

Devstral Medium

GPT OSS 20B
Context window and performance specifications
Available providers and their performance metrics

Devstral Medium
Mistral AI

GPT OSS 20B

Devstral Medium

GPT OSS 20B

Devstral Medium

GPT OSS 20B
Groq
Novita
OpenAI
ZeroEval