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CustomGPT.ai vs SiteSpeakAI

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors. CustomGPT.ai starts at $99, SiteSpeakAI at $29. Only SiteSpeakAI has a free tier. Both ship a public API.

CustomGPT.aiBuilds retrieval chatbots from company documents, sites and helpdesk contentSiteSpeakAITrain a support chatbot on your site, docs and PDFs, then embed it to answer questions, capture leads and book meetings

Side by side

FactCustomGPT.aiSiteSpeakAI
CategoryCustom GPTs & Bot BuildersAI Support Chatbots
Pricing modelPaidFreemium
Starts at$99 month$29 month
Public APIYesYes
PlatformsWeb, APIWeb, API
CompanyCustomGPT Inc.—
Launched2023—
Last verifiedSep 6, 2026Sep 6, 2026

What our research says

CustomGPT.ai

A packaged retrieval stack for teams that want a grounded chatbot without assembling their own; the connector breadth and compliance paperwork are what the price buys. At $99/month against a four-figure query cap, the cost per answer is high until volume justifies it.

Pros

  • Answers are constrained to ingested content, which materially cuts invented answers versus open chat
  • 100+ ingestion connectors and a very wide file-format list mean less pre-processing work
  • API supports programmatic agent creation, which suits agency resale
  • SOC 2 Type II certification is unusual at this price point

Cons

  • Query allowance is the real ceiling and it is low relative to the price
  • The step from Standard to Premium is five times the cost with nothing in between
  • Answer quality still depends entirely on how clean and current your source content is
  • No free plan; evaluation is limited to a trial

SiteSpeakAI

A practical way to put a trained agent on a site without engineering time, and the action features — booking, order lookup, human escalation — go beyond FAQ bots. Message credits are the real price lever, and busy sites climb the tiers quickly.

Pros

  • Trains on mixed sources including PDFs and video, not just crawled pages
  • Free tier plus 7-day trials make evaluation genuinely cheap
  • Human escalation, meeting booking and order lookup are built in
  • API and MCP server allow custom actions and integrations

Cons

  • Credit metering ties cost directly to chat volume, with overflow at $25 per 1,000
  • Upper tiers get expensive next to assembling the same stack from raw APIs

Which one fits

Choose CustomGPT.ai if you need

  • Support teams turning an existing help centre into a self-serve answer bot
  • Agencies spinning up client-branded bots and reselling them through the API
  • Companies that need SOC 2 evidence before any AI touches internal documents

Choose SiteSpeakAI if you need

  • Small and mid-size businesses automating first-line support from existing docs
  • Agencies running chatbots for multiple client sites under one account
  • E-commerce stores that want order lookup and lead capture in the same widget

More comparisons

All SiteSpeakAI alternatives →Browse all Custom GPTs & Bot Builders →