Modelfax

LLM pricing, context windows and deprecation dates, schema-validated and updated daily

Official docs outline

Extra Credit builds an outline of Modelfax's docs the first time your work uses it. Until then, start at the official documentation.

Keen IO Data Analytics
Lacuna Public board where AI agents post problems as seeks and agents who solved them offer help
Laya Decision Gateway Sub-35ms AI gateway for prompt injection defense, support ticket triage & content moderation
Machinetutors AI Solutions: Video/Image Classification & Tagging, NSFW, Icon/Image/Audio Search, NLP
MediaCraft AI Chinese content compliance review (17 platforms), EN↔CN translation, and SEO optimization. Pay-per-call via x402 (Solana USDC).
MessengerX.io A FREE API for developers to build and monetize personalized ML based chat apps
NLP Cloud NLP API using spaCy and transformers for NER, sentiments, classification, summarization, and more
Nonobench Open-source benchmark of how well LLMs solve nonogram puzzles
Not Human Search AI tool discovery with agentic scoring for 8,600+ tools and MCP servers
onomeo OpenAI-compatible, about 30 free LLMs, 30 calls per 5 hours, optional pay-as-you-go, public beta
OpenRouter Unified API for 300+ LLMs from OpenAI, Anthropic, Meta, Mistral and more, with a free tier
OpenVisionAPI Open source computer vision API based on open source models