AI API Providers

Anthropic builds the Claude family of language models — known for strong reasoning, long context, and a safety-first design philosophy. Models are available via the Anthropic API and aggregators like AWS Bedrock and Google Vertex.

OpenAI created GPT and the modern LLM ecosystem. The GPT-4o and o-series models power ChatGPT, the OpenAI API, and Microsoft Azure OpenAI.

Google's Gemini family pushes the long-context frontier with 1M+ token windows, native multimodality, and aggressive pricing on the Flash tier. Available via Google AI Studio and Vertex AI.

Meta publishes the Llama family of open-weight models. Llama 3.1 ranges from a tiny 8B variant to a 405B frontier model, and is hosted by every major inference provider.

DeepSeek is a Chinese AI lab whose open-weight V3 and R1 models redefined the cost frontier for reasoning and general capability.

xAI builds the Grok family of models, integrated with real-time X (Twitter) data. Available through the xAI API and X's premium tier.

Mistral AI is a French AI lab building open and proprietary models with a focus on European languages, function calling, and code-specialized variants.