Directory · API
OpenAI Platform
OpenAI's developer platform with APIs for GPT models, embeddings, images, speech, and agent tooling.
Best for
Developers building on GPT models with mature SDKs and tooling
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01.AI
API · 01.AI · China
Kai-Fu Lee's Chinese AI company behind the Yi family of open bilingual models and enterprise-focused LLM solutions.
Best for
Open-weight bilingual Yi models and Chinese enterprise AI deployments
AI21 Labs
API · AI21 Labs · Israel
Israeli AI lab behind the Jamba hybrid SSM-Transformer open models and Maestro, a system for reliable agent orchestration.
Best for
Long-context enterprise LLMs and grounded, controllable AI outputs
Aleph Alpha
API · Aleph Alpha · Germany
German sovereign AI company offering the PhariaAI stack with explainability features for regulated industries and government.
Best for
European organizations needing compliant, transparent, on-prem-ready AI