AI voice agents for business phone lines that answer, call back, and transfer to your team
Free AI chat with open models, no account or sign-up required
Stage
Startup
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Founded
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Based in
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Pricing model
Paid
Free
Pricing
Pay-as-you-go with no subscriptions or minimums. Starting credit of $5 USD. Calls billed per minute: $0.0673 per minute on the lowest-cost stack (all-in). Platform infrastructure fee is $0.0500 per minute. Speech-to-text from $0.0020 to $0.0100 per minute. Language models from $0.0008 to $0.0264 per
Free with 10 prompts per day. UsingOpen Studio desktop app is $19 USD one-time purchase, or ¥99 CNY in mainland China.
Key features
Visual flow builder for designing call flows
Inbound and outbound calling
380ms median response time on production calls
Integration with Meta leads
Mid-call API integration and data lookup
Do-not-call list enforcement
Choice of language models, speech-to-text, and voice providers
Call recording with GDPR compliance and opt-out
Transparent per-minute cost breakdown
Access to 20+ open-weight AI models including DeepSeek, Qwen, GLM, Gemma, GPT-OSS, Kimi K3 and MiniMax M3
No account required, no sign-up, no email or password needed
10 free prompts per day, reset at midnight UTC
Chat history saved locally on your device, never sent to servers
Streaming responses with visible reasoning for thinking models
Compare two models side by side in the same conversation
Live model availability status and real-time capacity information
Responsive design, installable as standalone mobile app
What makes it different
Fastest response time: 380ms median to first word on production calls
Switchable AI models per flow for cost optimization
Transparent usage-based pricing with no subscriptions or minimums
Built-in intelligent call routing to the right team
Defaults that respect privacy with recording off by default
Complete privacy - chat history stays only on your device and is never sent to servers
Model picker with real-time availability, not a single locked-in assistant
Talkif
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