| What it does | AI voice agents and voice cloning platform for phone calls
| An AI agent with its own cloud and wallet
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| US
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| Pricing model | Freemium
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| Pricing | Free plan includes 30 phone-call minutes monthly that renew. Paid plans: Starter, Growth, Scale, Business and Enterprise with usage-based pricing. Phone-call minutes and number rental billed separately from credits. Web calls included. Free plan has 30 credits, up to 2 phone numbers, up to 2 active
| Free: $0 forever with your own API keys. Pro: $20 per month with $20 of hosted credit a month (or $240 at once on yearly, save up to 17%). Team: $18 per seat, monthly, 2 to 5 people, with $18 of shared credit per seat monthly. Compute costs about $6 per GB a month from credit, charged by the second.
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| Key features | - Instant voice cloning from 20 seconds of speech
- 600+ realistic AI voices in 30+ languages
- Visual no-code flow builder for conversation design
- Knowledge base grounding for accurate answers
- Inbound and outbound calling at scale
- API and no-code access
- Bulk outbound campaigns with analytics
- Phone numbers in 60 seconds
- Low-latency voice with interruption handling
- Call analytics, transcripts and recording
| - Real files, real commands, web access, and browser beside the chat
- Memory written to disk as plain text you can edit and delete
- Auto mode with safe judgment on your own model
- Delegate work to helper agents sharing a task list
- Chat apps: Telegram, Discord and Slack integration
- Support for MCP servers, plugins and IDE integration
- Cloud tasks that keep running after you close the app
- Services that stay online with scheduler, webhook and watcher
- Web apps with their own live link at letronna.si
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| What makes it different | - One integrated platform for the complete voice AI call stack without stitching together multiple tools
- Free plan with renewing monthly minutes and no credit card required
- Built-in support for Indian languages and regional accents
- 120ms median voice latency for natural conversations
| - Runs locally with your own keys; nothing leaves your machine unless you connect a hosted model
- Starts in 7.65 ms with 84% on Harness-Bench
- Plain text memory files you can edit, not a black box
- Works with any model: OpenAI-compatible, Anthropic, Ollama, llama.cpp or hosted
- Pay only for hosted models and cloud compute, not per seat
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 6 ▼ −1 (down) since last check | 20 ▲ +2 (up) since last check |
| Trust Flow (Majestic) | 20 | 0 |
| Citation Flow (Majestic) | 32 | 0 |
| Referring domains (Majestic) | 553 | 0 |