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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

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exa.ai logo
exa.ai
✓ verifiedFreemium

Search, crawling and research API built for AI agents, with token-efficient results and structured web-data enrichment.

761K visits/mo1.7K saves
DHTMLX Chatbot logo
DHTMLX Chatbot
✓ verifiedFree

Lightweight MIT-licensed JavaScript chatbot UI widget for building support-agent chat interfaces on top of any LLM.

92K visits/mo
HTTPie logo
HTTPie
✓ verifiedFreemium

Human-friendly API testing client for terminal, desktop and web, known for readable syntax; the CLI is open source.

82K visits/mo
Gladia logo
Gladia
✓ verifiedFreemium

Speech-to-text API infrastructure with multilingual real-time and batch transcription for building voice products.

211K visits/mo
Airbyte logo
Airbyte
✓ verifiedFreemium

Open-source data-movement platform now adding a context/action layer for AI agents; 600+ connectors and flexible pricing.

222K visits/mo
Pricing
Free: $0 (20,000 requests/mo)
Search: $7/1k requests
Contents: $1/1k pages
Deep Search: $12-15/1k requests
Monitors: $15/1k requests
Agent: $0.012-$1.00/run

No public pricing

No public pricing

No public pricing

Free trial available

Agents Free: $0/mo (1000 AOs)
Agents Individual: $29/mo (5000 AOs)
Agents Team: $299/mo (10,000 AOs)
Data Standard: from $10/mo
Data Plus: from $500/mo
Core features
  • Web search API tuned for agents
  • Full-page contents with token-efficient highlights
  • Asynchronous agents for deep research and enrichment
  • Structured outputs with grounded citations
  • Web monitors that track new events on a schedule
  • Zero data retention and SOC 2 Type II controls
  • MIT-licensed and free to use
  • Lightweight (~65kb) JavaScript widget
  • 4 message display modes plus typewriter effect
  • Markdown support and chat history
  • Backend hook to integrate any LLM
  • Responsive, mobile-friendly, read-only mode
  • Human-friendly command-line HTTP client
  • Web and desktop GUI apps
  • Simple, readable request syntax
  • Request export/import and history
  • Path parameters and 'copy as command'
  • Open-source terminal version
  • Real-time multilingual speech-to-text (<300ms)
  • Batch/async transcription
  • Solaria speech models
  • Key-entity capture and enrichment
  • EU data residency
  • Free tier and playground
  • 600+ data connectors
  • ELT replication and CDC
  • Open-source and managed cloud options
  • Airbyte Agents context store (MCP/SDK/CLI)
  • Capacity- and volume-based pricing
  • Governance: SSO, RBAC, encryption
Use cases
  • Give coding agents current docs and repo context
  • Power chatbots with real-time web answers
  • Enrich company and people data at scale
  • Monitor the web for fresh events
  • Adding an AI chat UI to web apps
  • Building LLM-powered support agents
  • Embedding chat widgets in existing products
  • Prototyping chatbot interfaces
  • Testing REST APIs
  • Sending and inspecting HTTP requests
  • Debugging web services
  • Sharing API requests across a team
  • Transcribe voice-agent and contact-center calls
  • Power meeting-assistant note taking
  • Generate subtitles and media transcripts
  • Build voice products on one API
  • Building data pipelines to warehouses
  • Syncing SaaS data for analytics
  • Giving AI agents live business context
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