AI Service Marketplace
Find the right AI API, app or infrastructure provider for any workflow.
Voice, video, search, coding, automation, memory and marketing — compared with pricing signals and ToolHund Score. Not another list.
21 services · ranked by ToolHund Score
- Perplexity
Search
90Answer engine with real citations
Best for: Replacing Google when you need a sourced answer, not 10 blue links.
Pricing: Free · Pro $20/mo
Free tierVisitAffiliate links may be used. Ranking is editorial.
- You.com
Search
83Multi-model AI search & agents
Best for: Researchers wanting cited answers from multiple models.
Pricing: Free · Pro $20/mo
Free tier Best for agentsVisitAffiliate links may be used. Ranking is editorial.
- FinChat / Stock Analysis
Finance
83Bloomberg-grade research, AI-powered
Best for: Retail investors who want institutional research without the price.
Pricing: Free · Plus $39/mo
Free tierVisitAffiliate links may be used. Ranking is editorial.
- Elicit
Agents
83AI research assistant for scientific papers
Best for: Researchers, students, and teams doing literature reviews or evidence synthesis.
Pricing: Free · Plus $10/mo
Free tier Best for agentsVisitAffiliate links may be used. Ranking is editorial.
- NotebookLM
Search
68Google's AI research notebook
Best for: Grounding a Gemini-powered assistant in your own docs, PDFs and slides.
Pricing: Free · Plus via Google AI Premium
Free tierVisitAffiliate links may be used. Ranking is editorial.
- Qdrant
Data
68High-performance open-source vector search
Best for: Developers wanting fast, self-hostable vector search in Rust with a friendly API.
Pricing: Open source · Cloud from $0/mo (1GB)
Free tier Has APIVisitAffiliate links may be used. Ranking is editorial.
- Redis
Data
68In-memory database with vector search
Best for: Apps that already use Redis for caching and want vectors in the same store.
Pricing: Open source · Cloud free tier
Free tierVisitAffiliate links may be used. Ranking is editorial.
- Consensus
Search
67AI search engine for scientific research
Best for: Researchers and journalists who need evidence-backed answers from peer-reviewed papers.
Pricing: Free · Premium from $8.99/mo
Free tierVisitAffiliate links may be used. Ranking is editorial.
- Phind
Search
66AI search for developers
Best for: Developers who want cited answers to technical questions with code examples.
Pricing: Free · Pro $20/mo
Free tier Has APIVisitAffiliate links may be used. Ranking is editorial.
- SciSpace
Search
66AI copilot for research papers
Best for: Students and researchers reading, summarizing and comparing scientific papers.
Pricing: Free · Premium from $12/mo
Free tierVisitAffiliate links may be used. Ranking is editorial.
- Genspark
Search
66AI agent search with custom Sparkpages
Best for: Users who want an AI-generated 'answer page' per query with tools built in.
Pricing: Free · Plus from $19.99/mo
Free tier Best for agentsVisitAffiliate links may be used. Ranking is editorial.
- Firecrawl
Search
65Turn websites into LLM-ready data
Best for: Building RAG pipelines that need clean markdown/JSON from any website.
Pricing: Free tier · Hobby from $19/mo
VisitAffiliate links may be used. Ranking is editorial.
- Komo Search
Search
65Fast, private AI-native search
Best for: Users wanting a lightweight, privacy-friendly alternative to Perplexity.
Pricing: Free · Paid plans available
Free tierVisitAffiliate links may be used. Ranking is editorial.
- Tavily
Search
64Search API optimized for LLM agents
Best for: Developers giving agents high-signal web search and extraction results.
Pricing: Free tier · Paid usage-based
Best for agents Has APIVisitAffiliate links may be used. Ranking is editorial.
- Exa
Search
64Neural search API for the web
Best for: Semantic search over the web for research, competitive intel and RAG.
Pricing: Free tier · Paid usage-based
Has APIVisitAffiliate links may be used. Ranking is editorial.
- SerpAPI
Search
64Real-time SERP scraping API
Best for: SEO and monitoring products that need structured Google/Bing SERP data.
Pricing: Free 100/mo · Paid from $75/mo
Has APIVisitAffiliate links may be used. Ranking is editorial.
- Apify
Search
64Web scraping and automation platform
Best for: Data teams running large-scale scrapers and browser automation with proxies.
Pricing: Free $5/mo credits · Paid usage-based
Has APIVisitAffiliate links may be used. Ranking is editorial.
- Semrush
Marketing
64All-in-one SEO and competitive research
Best for: SEO and marketing teams researching keywords, competitors and backlinks.
Pricing: Pro from $139.95/mo
VisitAffiliate links may be used. Ranking is editorial.
- Brave Search API
Search
63Independent web index as an API
Best for: Products that need an independent web index (not Bing/Google) for RAG and agents.
Pricing: Free tier · Pay-as-you-go from $3/1K queries
Best for agents Has APIVisitAffiliate links may be used. Ranking is editorial.
Vectors inside MongoDB Atlas
Best for: Teams already on MongoDB Atlas who want vectors next to their documents.
Pricing: Included in Atlas · usage-based
VisitAffiliate links may be used. Ranking is editorial.
- OpenAI Operator
Agents
61OpenAI's browser-using agent research preview
Best for: Understanding browser-agent workflows and OpenAI's agent direction.
Pricing: Legacy · Research preview
Best for agentsVisitAffiliate links may be used. Ranking is editorial.
Disclosure: some outbound links may be affiliate links. Sponsored placement never changes ToolHund Score or organic ranking — see disclosure and methodology.