Black Forest Labs (FLUX)
Visual AI models for image, video, audio, and action prediction, with API access and open-weights deployment options.
Freemium / API
Category
Research
AI search engines and research assistants that find, read, and cite sources and papers.
turbopuffer
Vector and full-text search on object storage for AI apps and large-scale search workloads.
Freemium / API
Qdrant
Open-source vector search engine for fast, scalable similarity search and AI retrieval.
Freemium / Open source / API
Exa
Search API for AI agents that need real-time web data, deep research, and structured content.
Freemium / API / MCP
Firecrawl
Web data API for AI agents to search, scrape, crawl, and interact with live websites.
Freemium / Open source / API / MCP
Hugging Face
A platform for building, sharing, and deploying machine learning models, datasets, and apps.
Freemium / API
Braintrust
AI observability for tracing production agents, running evals, and catching regressions before users see them.
Freemium / API / MCP
LangSmith
Agent and LLM observability platform for tracing, monitoring, and evaluation of AI agents.
Freemium / API
Langfuse
Open source observability and evals for AI agents, built for teams tracing, testing, and improving production LLM apps.
Freemium / Open source / API / MCP
Recall
An AI knowledge base for summarizing, organizing, and chatting with videos, podcasts, PDFs, articles, and notes.
Freemium / API / MCP
ChatPDF
Chat with PDFs and other files to summarize, ask questions, and extract citations for students, researchers, and professionals.
Freemium / API
SciSpace
AI research assistant for academics that searches 280M+ papers, runs literature reviews, and drafts papers with citations.
Freemium / API
Kagi
A paid, ad-free search engine for people who want cleaner results and privacy controls.
Freemium / API