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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.

The short answer

Cheaper paid plan
SiteSpeakAI — $29/mo vs $99/mo for CustomGPT.ai
Free plan
Only SiteSpeakAI (CustomGPT.ai has paid plans only)
Public API
Both have one
Higher Trust score
CustomGPT.ai — 90 vs 72 for SiteSpeakAI
Best fit
CustomGPT.ai: Support teams turning an existing help centre into a self-serve answer bot · SiteSpeakAI: Small and mid-size businesses automating first-line support from existing docs

From our own records as of each tool's last check. Anything we have not confirmed is left out rather than guessed. How we verify

Side by side

FactCustomGPT.aiSiteSpeakAI
CategoryCustom GPTs & Bot BuildersAI Support Chatbots
Pricing modelPaidFreemium
Starts at$99/mo$29/mo
Public APIYesYes
Trust score90 / 10072 / 100
PlatformsWeb, APIWeb, API
CompanyCustomGPT Inc.—
Launched2023—
Last verifiedOct 16, 2026Oct 16, 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

CustomGPT.ai vs SiteSpeakAI: the questions people ask

Is CustomGPT.ai cheaper than SiteSpeakAI?

On published entry prices, SiteSpeakAI starts lower — $29/mo against $99/mo for CustomGPT.ai. Entry price is the lowest paid plan as we last verified it; what each plan includes differs.

Does CustomGPT.ai or SiteSpeakAI have a free tier?

SiteSpeakAI has a free tier; CustomGPT.ai has paid plans only.

Which has a public API, CustomGPT.ai or SiteSpeakAI?

Both ship a public API, so either can be built on; the fact table above shows the platforms each one runs on.

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