Anthropic API

Anthropic is an AI research and deployment company founded by former OpenAI researchers (including Dario Amodei). It develops large language models such as Claude and focuses on AI safety research and commercial model deployments.

OpenAI API is a cloud service that provides access to OpenAI's AI models, enabling developers to integrate language processing capabilities into applications. It is used for tasks such as generating text, building chatbots, and orchestrating context and model selection. The API is commonly employed as a backend for various AI-powered tools and services.

Claude is a family of large language models developed and hosted by Anthropic. Available through Anthropic's web chat products and a commercial API, Claude accepts text prompts (and structured inputs or file attachments via the API) and returns natural-language and code outputs for tasks such as coding, summarization, document Q&A, and general business and productivity workflows; it is used inside Anthropic products (for example Claude Code) and by third-party services via Anthropic's API and enterprise agreements.

OpenAI is an AI model provider whose language models are available through an API and can serve as one provider in multi-model routing architectures. The videos describe its models being used for AI replies and extraction, Amazon-review analysis and customer-service email generation, legal workflows, complex software development and debugging, and experimental or auxiliary agent tasks.

Claude 5.1 is described in the supplied video evidence as an Anthropic AI model for programming, scientific research, and agentic tasks. The video claims that it can work continuously for dozens of hours on codebases and multistep research, with separate lower pricing for cached, ordinary, and complex agent tasks.