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Smallest AI vs ActOnce Spend Gateway

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Smallest AI compared with ActOnce Spend Gateway
DetailSmallest AI logo Smallest AIActOnce Spend Gateway logo ActOnce Spend Gateway
What it doesReal-time voice AI platform for enterprise-scale conversations Policy-driven spending controls for AI agents
StageNot given Not given
Founded2023 Not given
Based inUS Not given
Pricing modelFreemium Freemium
PricingPay-as-you-go pricing starting from $0.05/minute for voice agents, with $10 free credits to start. Models priced individually: Speech-to-Text approximately $0.009/minute, Text-to-Speech approximately $0.09/minute, Hosting $0.01/minute flat rate. Phone numbers rent for $10/month. Enterprise plan avai Free: $0/month (open source, self-hosted). Pro: $24/month with hosted dashboard, 3 agents, 1,000 spend checks/month. Team: $99/month with 10 agents, 10,000 checks/month, team approvals. Business: $299/month with unlimited agents and checks.
Key features
  • Real-time speech-to-text across 38+ languages with 64ms latency
  • Text-to-speech at sub-100ms latency across 70+ languages
  • Full-duplex speech-to-speech model with real-time conversation
  • Small language model (Electron) outperforming larger models
  • Unlimited voice agents with single interface
  • Voice cloning capability
  • Multi-language support for voice agents
  • Emotion and speaker detection
  • Knowledge base integration ($3/GB/User)
  • Post-call analytics and reporting
  • Policy Engine with YAML configuration for amount limits, merchant allowlists, category blocks, business hours, and duplicate windows
  • Duplicate Detection using SQLite to prevent the same purchase twice within a configurable time window
  • Human-in-the-Loop approval with Telegram alerts and dashboard queue for purchases exceeding threshold
  • MCP-Native integration for OpenClaw, Hermes, and any MCP-compatible agent
  • Zero Credential Exposure with no access to cards, tokens, or Stripe credentials
  • Local-first architecture with all policy files, logs, and databases stored on your machine
  • Dry-run and simulation mode for testing policies before deployment
What makes it different
  • Production-grade models built for reliability and real-time performance at enterprise scale
  • Smaller, focused AI models that outperform larger general-purpose models in real-world applications
  • Complete voice stack integration from speech understanding to response generation
  • Enterprise security with ISO 27001, SOC 2 Type II, GDPR, and HIPAA compliance
  • Flexible pay-as-you-go pricing with no long-term contracts
  • Policy-driven rules that the agent cannot override, unlike prompt-based guardrails
  • Zero credential exposure means the gateway never sees payment cards or API keys
  • Duplicate detection with SQLite prevents duplicate purchases within a configurable time window
  • Native MCP integration works out of the box with OpenClaw, Hermes, Claude Code, and Cursor
Community votes00
DR (Domain Rating by Ahrefs)67 no change since last check21 no change since last check
Trust Flow (Majestic)166
Citation Flow (Majestic)3519
Referring domains (Majestic)114312

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