Model Comparison
Comprehensive side-by-side analysis of model capabilities and performance

GPT OSS 20B
OpenAI
GPT OSS 20B is a multimodal language model developed by OpenAI. It supports a 262K token context window for handling large documents. The model is available through 2 API providers. 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 OpenAI's latest advancement in AI technology.

o1-preview
OpenAI
o1-preview is a language model developed by OpenAI. It achieves strong performance with an average score of 64.8% across 8 benchmarks. It excels particularly in MGSM (90.8%), MMLU (90.8%), MATH (85.5%). The model shows particular specialization in math tasks with an average performance of 88.1%. It supports a 161K token context window for handling large documents. The model is available through 2 API providers. Released in 2024, it represents OpenAI's latest advancement in AI technology.

o1-preview
OpenAI
2024-09-12

GPT OSS 20B
OpenAI
2025-08-05
10 months newer
Pricing Comparison
Cost per million tokens (USD)

GPT OSS 20B

o1-preview
Performance Metrics
Context window and performance specifications

GPT OSS 20B

o1-preview
Provider Availability & Performance
Available providers and their performance metrics

GPT OSS 20B
ZeroEval
OpenAI

o1-preview
Azure
OpenAI

GPT OSS 20B

o1-preview