# Models — Agent Architecture Layer

> LLM providers and local inference options

4 tools mapped to this layer of an AI agent architecture.

This is one layer of an [AI agent architecture](https://www.frameworkr.ai/blog/what-is-an-ai-agent-architecture.md), not a standalone product category. Design the blueprint first, then pick tools.

- [Anthropic Claude API](https://www.frameworkr.ai/tools/anthropic-claude.md): State-of-the-art frontier models built for safe, steerable, and capable agentic use
- [Groq](https://www.frameworkr.ai/tools/groq.md): Fastest inference API for open-source models — purpose-built for speed
- [Ollama](https://www.frameworkr.ai/tools/ollama.md): Run open-source LLMs locally with a simple API and no cloud dependency
- [OpenAI API](https://www.frameworkr.ai/tools/openai.md): The GPT model family with vision, audio, and the broadest tool-calling ecosystem


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_Frameworkr — https://www.frameworkr.ai_