Directory · API
Google AI Studio
Google's free web-based developer environment for prototyping with Gemini models and generating Gemini API keys.
Best for
Prototyping with Gemini models before moving to the paid API or Vertex AI
More api tools
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