Audience

Best for Researchers providers

Every model provider on LLMAPI tagged “Best for Researchers” — 7 of 50 providers. All of them run through one API key and one OpenAI-compatible endpoint.

Providers listed7
Models reachable26
Filters available84
IntegrationOne OpenAI-compatible endpoint

7 providers matching this filter.

ProviderModelsRegionsBest for
Meta

Open-weight Llama models for self-hosting and fine-tuning.

7 Self-hosted Self-hosting, fine-tuning, and keeping full control of model weights View →
Arcee AI

Small language models and model merging.

4 US Small, fine-tuned models and continual pre-training View →
Thinking Machines

Frontier research lab building custom-model tooling.

1 US Custom and collaboratively fine-tuned models View →
Modal

Serverless GPUs for custom model code.

1 US, EU Running custom inference code on serverless GPUs View →
CoreWeave

Specialized GPU cloud at hyperscale.

1 US, EU Large-scale training and inference on dedicated GPU clusters View →
Together AI

Open-model inference and fine-tuning cloud.

8 US Open-model inference plus fine-tuning in one cloud View →
Databricks

Model serving inside the data lakehouse.

4 Global Serving and fine-tuning models where your data already lives View →

One key, every provider on this page

Consolidated billing, spend limits and instant fallback between providers.