Together AI· Inference platform

Transform OpenAI gpt-oss Models into Domain Experts with Together AI Fine-Tuning

The release of OpenAI's gpt-oss-120B and gpt-oss-20B models marks a pivotal moment in AI development. For the first time since the release of GPT-2 in 2019, OpenAI has released language models that are completely open-weight, licensed under Apache 2.0, and purpose-built for customization. These are now available on Together AI Inference for customers to use. While these models deliver impressive performance out-of-the-box, fine-tuning unlocks their true potential, enabling organizations to create specialized AI systems that understand their unique domains, workflows, and requirements. Together AI makes this transformation accessible. Our production-ready infrastructure, proven optimizations, and comprehensive fine-tuning capabilities mean you can customize OpenAI's breakthrough reasoning models without the complexity of managing distributed training infrastructure or the uncertainty of experimental platforms. Together AI offers a unified platform for both fine-tuning and serving, streamlining your entire AI development workflow. Once your model is fine-tuned, you can instantly deploy it on a …

Announced

19 Aug 2025 00:00 UTC

Detected

03 Aug 2026 21:12 UTC (+349d after)