openai
- Engineering
- Last Updated: August 20, 2025
- Anush DSouza
Start building with OpenAI’s new open-weight model, gpt-oss-120b, now available on Heroku Managed Inference and Agents . This gives developers a powerful, transparent, and flexible way to build and deploy AI applications on the platform they already trust. Access gpt-oss-120b with our OpenAI-compatible chat completions API , which you can drop into any OpenAI-compatible SDK or framework.
- Engineering
- Last Updated: March 28, 2024
- Julián Duque
How to connect your GPT on OpenAI to a backend Node.js app
Late in 2023, OpenAI introduced GPTs , a way for developers to build customized versions of ChatGPT that can bundle in specialized knowledge, follow preset instructions, or perform actions like reaching out to external APIs. As more and more businesses and individuals use ChatGPT, developers are racing to build powerful GPTs to ride the wave of ChatGPT adoption. Source If you’re thinking about diving into GPT development, we’ve got some good news: Building a powerful GPT mostly involves building an API that handles a few…
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