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📖 The AI Tool Bible

AI customer support knowledge

Editorial picks for "ai support knowledge base".

21 tools

All RAG →
EV

Elasticsearch Vector Search

RAG · BYO embeddings (OpenAI, Cohere, Hugging Face, Mistral, Bedrock, Vertex, Azure) plus Elastic's built-in ELSER sparse model and E5 dense model
8.7

Hybrid vector + keyword search in the enterprise-grade Elasticsearch engine

Freemium· Resource based pricing: Pay as you go (monthly) or prepaid · Usage based pricing: Pay as you go (monthly) or prepaid · License based pricing: ?RAG chatbot over enterprise docsHybrid semantic + keyword product search
MO

Moveworks

Agents · Orchestrates multiple enterprise-ready LLMs (undisclosed mix, historically including OpenAI GPT and in-house models via its Reasoning Engine)
8.7

The enterprise AI assistant that searches, answers, and takes action across your business systems

Enterprise· Enterprise-only pricing; no public tiers. Quoted per organization based on employee count, integrations, and agent scope. Contact sales for a quote.IT service desk ticket deflectionHR policy Q&A and self-service
GL

Glean

Agents · Model-agnostic: routes across 35+ LLMs including GPT-4o, Claude 3.5/4 Sonnet, Gemini 1.5/2, Llama 3, Mistral, plus Glean in-house models
8.5

Work AI platform that unifies enterprise knowledge, search, and agents

Enterprise· Enterprise pricing only; commonly reported in the $40-50/user/month range with a floor typically starting around 100 seats. No public self-serve tier. Contact sales for a quote.Enterprise search across Slack, Drive, Confluence and JiraCompany-wide AI assistant with citations
EP

Epsilla

RAG · Multi-model
7.3

Agent-as-a-Service platform with managed RAG and a no-code builder for vertical enterprise AI.

Freemium· Free Tier: $0/month · Starter Tier: $29/month · Professional Tier: $249/month · AI Concierge: $2,499/month · Enterprise Tier: Custom/monthenterprise-ragai-agents
WE

WeKnora

RAG · Multi-model
7.2

Tencent's open-source RAG framework that turns raw documents into a queryable knowledge base, ReAct agent, and self-maintaining wiki.

Free· Free, open-source (self-hosted)document-qaenterprise-knowledge-base
AG

AgentDock

Agents
7.1

Omnichannel AI customer service platform with memory, intelligent handoff, and explainable decisions.

Paid· Free: $0 · Unlimited: $39customer-supportomnichannel-chat
SI

SiteGPT

RAG · GPT-4 (per testimonials; not publicly specified)
7.1

Custom GPT-powered support chatbots trained on your website content and docs.

Freemium· Starter: $39 · Growth: $79 · Scale: $259 · Enterprise: Customcustomer-supportwebsite-chatbot
SI

SiteSpeakAI

RAG · Multi-model
7.1

Custom-trained chatbot that turns your website, docs, and PDFs into a multilingual support and lead-gen agent.

Freemium· Free: Free · Starter: per month · Pro: per month · Growth: per month · Business: per monthwebsite-chatbotcustomer-support
TI

Tiledesk

Agents · Multi-model
7.1

Open-source conversational AI platform for building multi-channel support agents and automation workflows.

Freemium· 14-day free trial; freemium, paid, and enterprise tierscustomer-supportrag-knowledge-base
GA

GaliChat

RAG
7.0

No-code AI chatbot builder that trains on your website content for support and lead capture.

Freemium· pro: $19 · business: $99 · enterprise: $999 · Free Demo: Freecustomer-supportlead-generation
SU

Superduper

RAG · Multi-model
7.0

Enterprise AI agent orchestration that brings RAG and agents to your existing data stack without migration.

Enterprise· Free trial on Snowflake Marketplace; enterprise self-hosted pricing on requestin-database-ragagent-orchestration
AI

Aidbase

Agents · OpenAI
6.9

AI-powered customer support stack purpose-built for SaaS startups, bundling a trained chatbot, ticketing, and knowledge base.

Freemium· Standard: €29 · Pro: €39 · Expert: €199customer-supportai-chatbot
RA

Refinder AI

RAG
6.9

Chat-native enterprise search and task automation hub that lives inside Slack and Google Chat.

Freemium· Free plan available; enterprise pricing on requestenterprise-searchslack-automation
CD

Context Data

RAG · Multi-model
6.8

Enterprise data platform for deploying private RAG pipelines without infrastructure plumbing.

Enterprise· Contact salesenterprise-ragdocument-search
GA

GPTHelp.ai

Agents · Multi-model (GPT / Claude)
6.8

No-code site-trained chatbot builder that swallows your URL and spits out an embeddable support widget.

Freemium· Starter: $19 · Growth: $49 · Premium: $99 · Business: $270website-chatbotcustomer-support
IH

Inline Help

Agents
6.6

AI-powered in-app customer support that turns your knowledge base into contextual tooltips, chat, and explainers.

Freemium· 14-day free trial; paid tiers (pricing not public)in-app supportcustomer onboarding
CO

CoreBase

Agents · Bring-your-own-key: Claude, GPT-4/4o, Gemini (plus built-in fallback models)

Governed AI-agent infrastructure that safely connects LLMs to your real data systems

Freemium· Free: $0 · Growth: $79/mo · Team: $249/mo · Enterprise: CustomGoverned text-to-SQL over production warehousesInternal Slack copilot with Salesforce and Jira actions
DE

Decagon

Agents

Enterprise AI concierge platform for voice, chat, and email support agents.

Enterprise· Custom enterprise pricing; not disclosed publicly. Sales-led with pilot engagements typical for CX/support agent platforms.AI customer support agentVoice support automation
ON

Onyx

RAG · LLM-agnostic — routes to OpenAI (GPT-4o/GPT-5), Anthropic Claude, Google Gemini, Azure OpenAI, AWS Bedrock, or local Ollama/vLLM models

Open-source AI chat connected to your docs, apps, and people

Freemium· Business: $20 · Enterprise: Contact usInternal knowledge-base chatbot over Confluence and Google DriveSupport-team assistant grounded in Zendesk tickets and help docs
SE

Setoku

RAG · Model-agnostic (MCP); commonly paired with Claude / Claude Code

Open-source MCP knowledge server that makes any AI fluent in your company data

Free· Free / open-source (Apache-2.0). Self-hosting cost only: ~$5-12/mo VPS. No SaaS tier and no per-token inference charges from Setoku itself.MCP knowledge server for Claude CodeRAG over company Postgres
SH

Sharper

Agents

AI office assistant that turns your documents and connected apps into a cited, agentic knowledge base

Freemium· Free tier available via 'Start for free'; paid plans referenced on the pricing page but tier prices load dynamically and were not visible at review time.Cross-source internal knowledge searchCited research briefs