Organization
Together AI
Inference provider · Compute infrastructure · Developer platform · San Francisco, California
Together AI runs a cloud platform for inference, fine-tuning, and training on open-weight models from many developers, and rents GPU clusters. Its website and APIs are operated by Together Computer, Inc.124
Key facts
What is and isn’t public
Together AI's products are commercial hosted services that serve open-weight models from other developers. This record does not assess any model, dataset, or software release by Together AI.2
Products
Hosted model products
Labeled Closed product/API — this describes how a documented product is delivered (hosted access). It is not an open artifact and says nothing about other releases by the same organization.
| Product | Kind | Documented delivery and access | Reviewed |
|---|---|---|---|
| Together Serverless Inference (external site: together.ai) | Hosted model API | Pay-per-token API for hundreds of open-source models across text, image, video, code, and voice, with an OpenAI-compatible interface.2 | Sep 29, 2026 |
Other products
| Product | Kind | Documented delivery and access | Reviewed |
|---|---|---|---|
| Together Fine-Tuning (external site: together.ai) | Developer tool | Managed LoRA and full fine-tuning of open-source models, launched from a web UI, API, or CLI, with cost estimates shown before a job starts.3 | Sep 29, 2026 |
| Together GPU Clusters (external site: together.ai) | Compute service | Self-serve NVIDIA GPU clusters provisioned through a console, CLI, SDK, API, or Terraform, with managed Kubernetes or Slurm; on-demand hourly or reserved pricing.4 | Sep 29, 2026 |
Related open artifacts
Datasets
- RedPajamaDatasetAvailability: Public
Notable documented facts
- In April 2026 Together AI announced that it had joined the U.S. Department of Energy's Genesis Mission.5
U.S. eligibility
Eligible · basis: U.S. headquarters
Together AI's operating entity, Together Computer, Inc., is a Delaware corporation whose terms of service give a San Francisco, California address. Its 2026 press releases are datelined San Francisco, and April 2026 reporting describes a new corporate headquarters lease in San Francisco. No foreign parent or headquarters was found.156
Sources
This listing is not an endorsement or a federal approval.