Kelam vs Ruflo: Features, Pricing & Which Is Better (2026)
A side-by-side comparison of Kelam and Ruflo — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.
Kelam
Nousdata Inc.
Kelam gives your AI assistant its own phone number so it can place and answer real calls and texts, returning recordings, transcripts and structured data.
Key features
- Persistent Agent Phone Number: Each workspace gets its own number that both dials out and answers, so callbacks reach the same agent mid-conversation.
- One-Sentence Setup: Paste a single setup line into Claude Code, Cursor, Copilot or other shell-capable agents to install the CLI, skill files (AGENTS.md, Cursor rules, Copilot instructions) and sign in.
- Browser Agent Builder: Describe an inbound or outbound agent in plain English, test-call it from the browser at no cost, and redeploy corrections in seconds.
- Phone Tree & Voicemail Handling: Detects whether it reached a person, voicemail or IVR menu, presses the right keys, waits through hold queues and leaves useful messages.
- Multilingual Conversations: Speaks English, Spanish and French, switching mid-sentence when the caller does and yielding politely when interrupted.
- Structured Call Output: Every call returns the recording, full transcript and the specific facts you asked for as data, such as CSV-ready answers.
- Human Handoff & Texting: Transfers live callers to a colleague, phone or you without dropping them, and sends SMS from the same number in the same thread.
- Bounded Per-Second Billing: Talk time billed to the second with a hard $2.00 cap per call, and unanswered, busy or failed calls cost nothing.
Best for
- Local Service Booking: Have an assistant ring dentists, garages or locksmiths that have no online booking and secure the earliest slot.
- Price & Availability Shopping: Call multiple rental desks or tyre shops and return a comparison of prices, stock and conditions.
- Waiting Through Hold Queues: Let the agent sit through airline or utility phone queues and report rebooking options before agreeing to anything.
- Lead Qualification Calls: Call every number in a leads CSV, ask qualifying questions and return a yes/no, budget and reason per lead.
- Small Business Receptionist: Answer a shop or salon line, book appointments, capture caller details and text the owner a summary.
- Overnight Call Triage: Summarize every inbound call from the night and flag complaints for follow-up.
R
Ruflo
rUv (ruvnet)
Open-source agent meta-harness for Claude Code and Codex adding swarms, self-learning memory, MCP tools and security guardrails.
Key features
- Agent Swarms: Over 100 specialized agents self-organize into coordinated swarms to split up and run complex tasks.
- Self-Learning Memory: Remembers across sessions and learns from successful trajectories using local vector retrieval and contrastive updates.
- MCP Server: Run npx ruflo mcp start to expose Ruflo's tools to Codex or any MCP-enabled client.
- Claude Code Plugins: Core tools, a visual console and runtime mods add routing and policy enforcement inside Claude Code.
- Terminal UI Console: Shows Overview, Cost, Swarm, Events and Missions pages, and also runs standalone.
- Federation: Lets agents on different machines communicate securely without leaking data.
- Hook-Based Routing: Hooks automatically route tasks and coordinate agents in the background.
Best for
- Large Refactors: Split a big codebase change across a swarm of specialist agents.
- Persistent Project Context: Keep knowledge across Claude Code sessions with vector memory.
- Multi-Client Setups: Connect Codex or other MCP clients to the same tool server.
- Cost Monitoring: Track spend and agent activity from the console during long runs.
- Multi-Machine Collaboration: Let agents on separate machines coordinate through federation.