CustomGPT.ai vs Chatbase

A detailed comparison to help you choose between CustomGPT.ai and Chatbase.

🏆

Verdict: Chatbase wins

Chatbase scores 4.1/5, edging out CustomGPT.ai at 3.7/5. Small and mid-size teams that want a grounded, multi-channel AI support agent with human handoff live quickly, and whose reply volume fits inside a credit pool they can model in advance.

CustomGPT.ai

CustomGPT.ai

AI-powered customer support that auto-resolves 93% of questions

Chatbase

Chatbase

Create custom AI chatbots from your data

Rating3.7 (1 review)4.1 (1 review)
Pricing Modelfreemiumfreemium
Starting PriceFree tier availableFree tier available
Best ForCompliance-sensitive teams — legal, healthcare, government, regulated support desks — that need citation-backed answers from their own documents and whose monthly query volume fits inside a plan cap.Small and mid-size teams that want a grounded, multi-channel AI support agent with human handoff live quickly, and whose reply volume fits inside a credit pool they can model in advance.
Free Tier
API Access
Team Features
Open Source
Tags
api accessno codeteam features
api accessfree tierno code
Visit CustomGPT.ai →Visit Chatbase →

CustomGPT.ai

Pros

  • + Citation discipline is the real deal: in my tests every answer linked to the source passage, and out-of-corpus questions produced explicit non-answers instead of invented ones
  • + Ingestion breadth is unusually wide — 1,400+ file formats by the vendor's count, plus direct connectors for Google Drive, SharePoint, Notion, Zendesk, HubSpot and site crawls; my oddball PDFs and transcripts parsed cleanly
  • + Enterprise paperwork exists where it counts: SOC 2 Type 2 (audit period through May 2026), GDPR, DPA and SSO on Enterprise, and a stated no-training-on-customer-data policy
  • + Reference customers (MIT, United Nations, University of Virginia) give procurement teams a defensible shortlist argument that marketing alone does not buy
  • + Verify Responses and the RAG API are available beyond the top tier, so developers can ground answers behind their own interface

Cons

  • - No free tier — a 7-day trial is the only way in, so you commit money before stress-testing
  • - The 5x jump from $99 Standard to $499 Premium with nothing in between, plus a $375/month overage block, makes costs hard to forecast as soon as a bot gets busy
  • - Monthly query allowance is pooled across all agents on the account, so a staging bot or second deployment silently eats your customer-facing bot's budget
  • - Plan contents have changed without a dated changelog — a mid-2026 page fetch showed Standard cut to 500 query credits and one seat while the vendor's own explainer still lists 1,000 queries and three seats
  • - Review corpus is too thin to read: one G2 review, three on Capterra, about a dozen on Trustpilot, with recurring complaints about account-access and billing friction
View full CustomGPT.aireview →

Chatbase

Pros

  • + Grounding is disciplined: in my 20-question test, 17 answers carried the right source and the unanswerable ones refused instead of inventing
  • + Procedures run actions written in plain language — my mock order-lookup test needed no prompt engineering to trigger correctly
  • + One agent covers web widget, WhatsApp, Messenger, Instagram, Slack, email, voice and telephony, with transcripts carried into helpdesk handoff
  • + Model playground exposes Claude, Gemini, GPT, DeepSeek, Grok and Kimi so you can trade quality against credit cost per reply
  • + Security posture is documented and audited: SOC 2 Type II, HIPAA-eligible Enterprise tier, GDPR compliance stated on the pricing page

Cons

  • - Credit burn is model-dependent: the same scripted conversation cost me about 3x more credits on a Claude Sonnet-class model than the default
  • - Removing the 'Powered by Chatbase' badge costs $99/month below Enterprise, so a clean-branded widget starts at $131/month, not $32
  • - Exactly one AI agent per self-serve plan; a second bot is an add-on even on Pro
  • - Free tier deletes your agent after 14 days of inactivity and gives only 50 credits — it is a sandbox, not a plan
  • - No self-hosting, no code export, no bring-your-own model keys: you are fully rented into their stack
View full Chatbasereview →

Frequently Asked Questions

Which is better, CustomGPT.ai or Chatbase?▼
Chatbase scores higher at 4.1/5 vs 3.7/5 for CustomGPT.ai, making it the better-rated option in our comparison.
What is the difference between CustomGPT.ai and Chatbase?▼
CustomGPT.ai: AI-powered customer support platform that automatically resolves 93% of customer questions while reducing support costs by up to 50%. Chatbase: Chatbase allows you to create AI-powered chatbots trained on your specific data to handle customer queries automatically and efficiently.
Is CustomGPT.ai or Chatbase more affordable?▼
CustomGPT.ai starts at €0/mo, Chatbase starts at €0/mo. Check the comparison table above for current pricing.

Stay in the loop

Get weekly updates on the best new AI tools, deals, and comparisons.

No spam. Unsubscribe anytime.