# Claude 4

> Advanced AI models for coding, reasoning, and agentic tasks

Claude 4 includes Opus 4 and Sonnet 4, Anthropic's latest large language models optimized for coding, complex reasoning, and autonomous agent workflows. Both models support extended thinking with tool use and improved memory capabilities. Targeted at developers and enterprises needing high-performance AI for technical and agentic applications.

## At a glance

- **Company**: Anthropic
- **Homepage**: https://www.producthunt.com/r/O7BM5TET43TKJS?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+claude+access+%28ID%3A+284460%29
- **Pricing**: usage-based
- **API available**: Yes
- **Self-hostable**: No
- **Launched**: 2025-05
- **Last verified**: 2026-05-11

## Categories

- chat-assistants
- code
- agents


## Capabilities

- extended-thinking
- tool-use
- long-context
- agentic-workflows
- code-generation
- multi-step-reasoning


## Alternatives

- [ChatGPT](https://inforelay.ai/tools/chatgpt.md): Conversational AI assistant for text, code, and images



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Source: https://inforelay.ai/tools/claude-4/
Index: https://inforelay.ai/llms.txt