Directory · API
AI21 Labs
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
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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
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
Anthropic API
API · Anthropic · United States
Anthropic's developer API for the Claude model family, with tool use, prompt caching, batching, and long-context support.
Best for
Building products on Claude models with strong tool-use and coding ability