Comprehensive side-by-side LLM comparison
GPT OSS 120B leads with 11.9% higher average benchmark score. GPT OSS 120B is available on 5 providers. Overall, GPT OSS 120B is the stronger choice for coding tasks.
OpenAI
GPT-OSS 120B was developed as an open-source model release from OpenAI, designed to provide the research and developer community with access to a capable language model. Built with 120 billion parameters, it enables experimentation, fine-tuning, and deployment in contexts where open-source licensing and transparency are valued.
Mistral AI
Magistral Small was created as an efficient reasoning-focused variant, designed to bring analytical capabilities to applications with tighter resource constraints. Built to balance problem-solving depth with practical deployment needs, it extends reasoning-enhanced AI to broader use cases.
1 month newer

Magistral Small 2506
Mistral AI
2025-06-10

GPT OSS 120B
OpenAI
2025-08-05
Context window and performance specifications
Average performance across 1 common benchmarks

GPT OSS 120B

Magistral Small 2506
Magistral Small 2506
2025-06-01
Available providers and their performance metrics

GPT OSS 120B
DeepInfra
Groq
Novita
OpenAI
ZeroEval

GPT OSS 120B

Magistral Small 2506

GPT OSS 120B

Magistral Small 2506

Magistral Small 2506