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📖 The AI Tool Bible

ReBillion.ai alternatives

6 agents tools in the same lane as ReBillion.ai, ranked by editorial score.

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RA

Relevance AI

Agents · Multi-model: Claude (Opus/Sonnet/Haiku), OpenAI GPT, Google Gemini, plus open-weight options (Kimi K2, GLM)

Build and deploy an AI workforce of specialized agents across your business tools

Enterprise· Free trial available via the app. Paid tiers are quote-based (Enterprise): custom actions, unlimited agents/tools/users, dedicated account manager. Reported customer benchmarks cite an average cost of ~$0.09 per task at scale; no fixed public tier pricing.Outbound prospect research and personalisationMeeting prep and CRM hygiene
KH

Khoj

Agents · Multi-model
7.9

Open-source personal AI that builds agents, searches your documents, and automates research across local files and the web.

Freemium· Free self-hosted; paid cloud tier on app.khoj.devpersonal-knowledge-baseagent-building
SY

Sybill

Agents · Multi-model
6.8

AI sales assistant that turns call recordings, emails, and CRM activity into deal intelligence and automated follow-ups.

Paid· 14-day free trial; pricing on requestsales-call-summariescrm-autofill
CO

Composio

Agents · Model-agnostic (works with Claude, GPT-4o, Gemini, Llama, and other frontier and open-weights models via SDK integrations)

Auth, tools, and sandboxed execution for AI agents across 1,000+ apps

Freemium· Totally Free: $0 · Ridiculously Cheap: $29 · Serious Business: $229Customer support agent triaging Gmail and filing Linear ticketsSales agent updating HubSpot and posting to Slack
11

11x

Agents · in-house orchestration over frontier LLMs (GPT-4-class) and voice models for Julian

Autonomous AI digital workers for B2B sales prospecting and inbound calls

Enterprise· No public pricing; contact sales for a quote. Typically a per-seat / per-agent annual contract in the mid-four to five-figure range depending on volume.AI SDR outbound prospectingInbound call qualification
AR

Artisan

Agents

Autonomous AI BDR that finds leads, personalises outreach and books meetings

Paid· Team / Scale / Enterprise — no public pricing; sales-scoped by monthly leads contacted (~2,500 for Team, ~6,000 for Scale, custom for Enterprise). No public free tier; 'Start free' CTA leads to sales.AI-driven outbound BDR replacementAutomated cold email sequencing