Claude.ai

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.

Claude is a family of large language models and service developed and hosted by Anthropic, an AI safety and research company building reliable, interpretable, and steerable AI systems. 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 such as Claude Code, by third-party services via Anthropic's API and enterprise agreements, and as an alternative model provider for the model-agnostic Strands Agents framework. Claude can also power applications such as banking assistants, whose generations can be traced as part of an AI application evaluation workflow.

Claude API is Anthropic's application programming interface for building software with Claude models. The cited material describes prompt caching, which reuses prompts to reduce token costs, along with console diagnostics for monitoring cache hit rates. The name is also used in the material for a Claude Code skill that provides awareness of Anthropic's SDKs and APIs.

Anthropic API is the cloud API provided by Anthropic, the AI research company, offering programmatic access to its Claude family of large language models for text generation, chat, and reasoning. The API is intended for developers to integrate Anthropic's models into applications and services.

Claude Code Action is a GitHub Actions integration from Anthropic that uses Claude to answer questions, review pull requests, and implement code changes in GitHub repositories. It detects its execution mode from workflow context, including @claude mentions, issue assignments, and explicitly prompted automation tasks, then interacts with pull requests and issues through GitHub APIs and file operations. It can produce structured JSON outputs for automation workflows and display progress through updating checklists. The action runs on the repository's own GitHub runner, while model requests are sent through Anthropic's API, Amazon Bedrock, Google Vertex AI, or Microsoft Foundry. It is licensed under the MIT License.