AI for structured output
JSON-mode, schemas, and typed LLM outputs.
| # | Tool | Category | Pricing | Visit |
|---|---|---|---|---|
| 1 | Instructor Structured LLM outputs with Pydantic — type-safe data extraction from any language model | LLM Frameworks | Free | Visit |
| 2 | Outlines Structured text generation from LLMs — guarantee JSON, regex, or grammar-constrained output | LLM Frameworks | Free | Visit |
| 3 | Guidance Microsoft's constrained LLM generation — interleave generation, code, and control structures in one template | LLM Frameworks | Free | Visit |
| 4 | Vercel AI SDK TypeScript AI SDK for React and Node — streaming, tool use, and multi-provider LLM integration with 1M+ npm downloads/week | LLM Frameworks | Free | Visit |
| 5 | Anthropic Python SDK Official Python library for Claude API — access Claude Sonnet 4.6, Haiku 4.5, and Opus 4.6 | LLM Frameworks | Paid | Visit |
| 6 | AWS Bedrock Fully managed foundation model service on AWS — Claude, Llama, Titan, and more | LLM Frameworks | Paid | Visit |