Comprehensive side-by-side LLM comparison
GPT OSS 20B leads with 4.6% higher average benchmark score. Magistral Medium supports multimodal inputs. GPT OSS 20B is available on 4 providers. Both models have their strengths depending on your specific coding needs.
OpenAI
GPT OSS 20B is a language model developed by OpenAI. The model shows competitive results across 7 benchmarks. It excels particularly in MMLU (85.3%), CodeForces (83.9%), GPQA (71.5%). It supports a 262K token context window for handling large documents. The model is available through 4 API providers. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents OpenAI's latest advancement in AI technology.
Mistral AI
Magistral Medium is a multimodal language model developed by Mistral AI. The model shows competitive results across 6 benchmarks. Notable strengths include AIME 2024 (73.6%), GPQA (70.8%), AIME 2025 (64.9%). As a multimodal model, it can process and understand text, images, and other input formats seamlessly. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Mistral AI's latest advancement in AI technology.
1 month newer
Magistral Medium
Mistral AI
2025-06-10
GPT OSS 20B
OpenAI
2025-08-05
Context window and performance specifications
Average performance across 11 common benchmarks
GPT OSS 20B
Magistral Medium
Magistral Medium
2025-06-01
Available providers and their performance metrics
GPT OSS 20B
Groq
Novita
OpenAI
ZeroEval
GPT OSS 20B
Magistral Medium
GPT OSS 20B
Magistral Medium
Magistral Medium