Tool Calling AI tools, A–Z

7 AI tools for Tool Calling

Compare tools built for Tool Calling. Filter by pricing and access, then open a few before you commit.

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Price

Any Free Freemium Trial Paid

Platforms & integrationsAPI, web, mobile, and connected apps

Access

Any API Web iOS Android Chrome ext.

Works with

Make LinkedIn Instagram MCP Slack X / Twitter

AI SDK AGENTS

Freemium

Full-stack Vercel AI SDK patterns for building AI applications.

Source rating 5.0 Free + from $149 one-time 46k/mo 46k views

Agent

Boson AI

Paid

Voice AI agents and audio models for business workflows

Source rating 5.0 From $0.015 per 1,000 characters 46k/mo 46k views

Text to speech

Build Your Own AI

Unknown

A practical guide for developers to build real-world AI applications with example code.

Source rating 5.0 375/mo 375 views

Large Language Models

Gabber

Freemium

Gabber is a real-time AI voice app infrastructure with expressive voice and tool-calling capabilities.

Source rating 5.0 Free + from $0.25/1M tokens 2.8k/mo 2.8k views

Text to speech

HumanLayer

Paid

API/SDK for AI agents to interact with humans for assistance and approvals.

Source rating 5.0 From $500 / month 119k/mo 119k views

Agent

tambo

Freemium

Open-source AI orchestration framework for React front ends.

Source rating 5.0 Free + from $25 / mo 17k/mo 17k views

Chatbot

TraeWork

Unknown

AI workspace for natural-language task execution and professional coding

Source rating 5.0 3.9M/mo 3.9M views

Code assistant