Function Call AI Assistant
The best 50 Function Call AI Assistant tools - Free & Paid
Explore 50 AI for Function Call AI Assistant
Voice‑enabled AI chatbot works via phone, Zoom, Teams, and web, offering real‑time 24/7 conversations, scheduled calls, memory retention, and actions like emails, calendar events, and Notion notes. It supports business workflows, transcript recording, and custom personas via a developer API.
Freemium
AI Voice Agents automates business phone calls using intelligent voice interactions, ensuring 24/7 customer engagement. It enhances communication, reduces human errors, supports multiple languages, and integrates with tools like calendars and CRMs for diverse industry applications.
Freemium
Agent AI is an AI-powered calling assistant that creates personalized voice agents for handling calls, automating tasks like appointment scheduling, and providing multilingual customer support, integrating seamlessly with existing phone systems to enhance communication.
Free trial
OneAI’s AI Phone Call Agent automates phone, SMS, and WhatsApp campaigns with an AI‑native dialer, real‑time lead qualification, CRM integration, 5‑second callbacks, and detailed analytics for scalable, compliant sales outreach.
Freemium
PreCallAI automates inbound and outbound calls with AI voice assistants and SMS bots for sales, booking, support, and lead follow‑up. It offers a no‑code flow designer, integrates with 200+ CRMs, supports 30+ languages, and delivers real‑time analytics and routing.
Freemium
- $0.02
AI Prank Call allows users to create personalized prank calls using celebrity voices. With an easy three-step process, users can type messages that are delivered in authentic voices, making it perfect for entertaining friends and family.
Freemium
Voice AI platform that builds conversational agents in five clicks, automating support, sales, and billing calls. It integrates natively with CRMs and databases for real‑time actions, supports multi‑OS softphones, and records transcriptions for audits.
Free
Voilà AI Assistant is a cross‑platform browser extension, desktop, and mobile app that uses GPT‑5 to summarize, rewrite, translate, and auto‑reply to emails, chats, PDFs, spreadsheets, and YouTube transcripts, while correcting spelling, grammar, tone and generating images from text.
Freemium
- $10/mo
answersai is an AI tool that offers instant solutions to academic questions. Users can capture problems via photo and receive accurate responses, with support for follow-up queries to enhance understanding across various subjects, accessible on mobile and web.
Freemium
Webassistants.ai offers customizable AI assistants that integrate easily into websites and applications. Key features include multilingual support, advanced analytics, and real-time assistance, aimed at enhancing user engagement and optimizing operations across various industries.
Free trial
- $9/mo
Introducing Layla, the world's first private AI assistant that resides directly on your phone. This groundbreaking personal AI goes beyond standard functionalities and evolves alongside you, becoming your ultimate personal assistant.
CallHippo is a cloud business phone system with AI voice agents, parallel/predictive dialers, omnichannel inbox, CRM integrations, global virtual numbers and APIs to centralize customer conversations, automate dialing, route calls intelligently, and provide real-time analytics.
Character AI is an advanced AI chatbot web application that offers human-like text responses, allows for user-developed characters with NSFW filters, and enables conversations with fictional, historical, and celebrity figures.
Freemium
Aissist delivers a digital workforce that automates service and sales workflows, offering end‑to‑end reasoning, native integration to major CRM platforms, omni‑channel support, multi‑agent collaboration, enterprise governance, and 65+‑language processing of text, image, video, and voice.
Freemium
- $0.05
Chat & Ask AI combines web search, image generation, link analysis, document chat, and YouTube summarization in one interface. It offers up‑to‑date answers, multilingual support, file uploads, and a prompt library, powered by GPT‑5.2, Gemini, Claude, and Stable Diffusion XL.
Free
Free AI Assistant is a versatile platform offering automated tasks, content generation, eCommerce updates, business ideas, multi-lingual support, customer communication, PDF exports, and image generation from text inputs.
Freemium
ownAI lets users build, host, and deploy custom AI assistants without coding. Create assistants for personal tasks, marketing, or support, with data hosted on your domain. Import knowledge bases, run models locally, and access open‑source code on GitHub.
Free
Doubao AI is an all‑in‑one desktop and web assistant for drafting and editing text, translating multilingual content, generating images from prompts, analyzing documents for summaries and key facts, performing AI-powered web search, and providing code assistance.
Freemium
Command AI delivers AI‑powered in‑app assistance, offering product tours, nudges, surveys, and checklists. Its Copilot agent provides real‑time walkthroughs and co‑browsing, while API integration ensures context‑aware responses. The platform supports mobile/web, integrates with 24+ tools, and priori
Freemium
Alan AI is a cloud‑based platform that builds adaptive voice assistants via lightweight SDKs. It auto‑generates code for API calls, supports knowledge‑base imports, offers a visual workflow builder, and provides enterprise‑grade deployment options with multi‑model flexibility.
Freemium
- $1
Safina AI is an AI‑driven phone assistant that filters spam, records, and summarizes calls, extracting key points and action items. It integrates with CRMs, calendars, offers industry templates, supports multiple languages, and provides API/webhook for workflow automation.
Freemium
11 ai is a voice assistant using ElevenLabs Agents that enables voice-driven task management, customer research, ticket updates, and team messaging via integrations with Perplexity, Linear, and Slack, supporting private MCP servers and fast voice cloning across 5,000+ voices.
Freemium
Question AI is an AI-powered homework assistant that provides real-time answers, solves math problems via image uploads, and offers instant PDF solutions. It also delivers text summaries, translations, and supports multiple inquiries across mobile and desktop platforms.
Freemium
The platform provides a suite of tools to create and manage an AI assistant with natural language processing, machine learning, and conversational AI features that can automate tasks like scheduling meetings and answering customer queries.
Freemium
- $40/mo
AI Perfect Assistant adds ChatGPT, Gemini, Claude, and 60+ LLMs to Office 365 apps, delivering real‑time grammar, style checks, drafting, summarization, translation, and formula generation to streamline writing, analysis, and teamwork across Word, Excel, PowerPoint, Outlook, Teams, and OneNote.
Freemium
Curious Thing AI offers customizable voice assistants Lucy and Sam for businesses. These assistants simplify communication, gather leads, manage calls, and provide multilingual support, resulting in enhanced customer service.
Free trial
AI Phone delivers real‑time bilingual subtitles and voice translation for phone, video, and messaging calls in 150+ languages, with instant camera‑text support for signs and menus. Invite contacts via a link—no extra download needed for seamless communication.
Free trial
Qlient AI: Revolutionary 24/7 call intake system with lifelike voices. Automates call summaries, scheduling, recording, and delivers personalized experiences using advanced NLP.
Subscription
- $24.92/mo
Automaticall is an AI call assistant that operates 24/7, supporting multiple languages and seamless scheduling integration. It enhances business communication by responding to inquiries naturally and converting website visitors into qualified leads.
Free trial
- $9.99/mo
Discuss offers real‑time voice AI tutoring across 30 languages, letting students and educators explore business, history, science, and more without sign‑ups. Sessions generate AI Agent Summary Analysis for review, with continual updates and free nonprofit use.
Freemium
Callab AI provides AI-driven call management for call centers, BPOs and healthcare, using multilingual voice agents, integrated knowledge bases, call recording/transcription with sentiment tagging, automated transfers, CRM data extraction, and batch outbound campaigns with real-time analytics.
Freemium
Ai Helper is a cross‑platform desktop client that brings ChatGPT, GPT‑4, and other AI engines to macOS, Windows, and Linux. It lets users chat on webpages, PDFs, or videos via shortcuts and generate content, code, or emails within native apps.
Freemium
- $9.9
MIA AI is a Chrome extension voice assistant powered by GPT technology. It enables hands-free chatting, enhances productivity, and streamlines user interactions with its voice interface.
Freemium
iAsk.Ai delivers instant, factual answers to natural‑language questions from authoritative web sources, and offers essay drafting, advanced grammar checks, academic summarization, PDF analysis, image generation, URL bullet‑point briefs, and one‑click grammar correction. Accessible via browser extens
Freemium
- $9.95/mo
24/7 AI therapist providing conversational support for anxiety, depression, stress, and relationship issues. It uses CBT, DBT, and psychodynamic methods, tracks emotional patterns, offers personalized suggestions in 26 languages, and respects privacy for all users.
Free
OpenCall AI automates phone and text intake for medical practices, verifying insurance, capturing real‑time data, and scheduling through popular PMS/EHRs. It triages requests, escalates complex cases, syncs records, and reduces front‑desk workload 24/7 with HIPAA‑compliant integration to Google tool
Paid
CallFluent AI is a cloud platform that creates no-code AI voice agents for inbound and outbound calls, offering 400+ neural voices in 40 languages, real‑time actions, webhook/API integration, automatic booking, SMS, CRM sync, recordings, transcripts, sentiment analysis, and low‑latency response.
Subscription
- $37/mo
AIgentor lets users instantly chat with AI characters from books, movies, games, or custom favorites, powered by advanced large‑language models. It delivers specialized guidance—from pet nutrition to queue management, education, or storytelling—without login.
Free
TheLibrarian.io is an AI-driven personal assistant that integrates with WhatsApp and automates email drafting, scheduling, and calendar management while summarizing emails and resolving conflicts. It also integrates with Google Workspace for document access and offers secure web/messaging app suppor
Free trial
- $9.99/mo
Read AI records, transcribes, and summarizes meetings, emails, and chats across Google Meet, Zoom, Teams, and in‑person sessions. It extracts action items, delivers searchable notes, offers contextual answers from integrated data, supports 20+ languages, and meets SOC II, GDPR, HIPAA compliance.
Freemium
- $15/mo
MeetAssist.io is an AI interview assistant for browser meetings that provides real-time answer suggestions and live transcripts. It analyzes your active tabs and uploaded resume to deliver contextual, tailored responses directly to your phone to keep your screen distraction-free.
Free trial
- $9
Callin.io delivers sub‑176 ms AI voice agents that can be white‑labelled, deployed on a custom domain without coding, and offer 99.9 % uptime, carrier‑grade redundancy, GDPR/CCPA compliance, encryption, multi‑carrier support, and pre‑built CRM/ITSM connectors.
Freemium
- $119/mo
HakkoAI is a real‑time AI gaming assistant that recognizes game screens, offers context‑specific tips, and provides voice guidance for PC titles. It tracks player history for personalized support, answers questions, and boosts motivation during play.
Freemium
Calk AI is a customizable AI assistant platform designed to boost business productivity by integrating data across tools like Notion, HubSpot, and Google Drive. It offers contextual insights, real-time collaboration, and multi-model AI support to streamline workflows and enhance decision-making.
Free trial
- $19/mo
Answer.AI offers 24/7 AI tutoring from elementary math to AP courses, with step‑by‑step explanations, flashcards, a math camera, study‑group tools, progress tracking, scholarship guidance, and mental‑health tips, accessible via web, Chrome, iOS, Android.
Free