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About

ABTestly is an A/B testing platform for teams that ship experiments in code rather than through a visual editor. You write each variation as real JavaScript and CSS. Experiments live in your repository and go through the same review as any other change. The runtime is about 31 KB gzipped, and the page is held until the variation is applied, so visitors do not see the control flash first. Assignment, exposure and conversion are recorded as three separate events on an exact ledger rather than one inferred number, so results stay auditable. Confidence intervals are shown with the sample size, no winner is declared before significance, and sample ratio mismatch is detected and flagged. Three statistics engines: frequentist on every plan, sequential and Bayesian from Pro upwards. Also a speed guardrail comparing p75 LCP against control. Pricing is published: $99 a month at 50,000 tracked users, $249 at 200,000, $549 at 500,000, with a 14-day trial on monthly plans.

About

Grok Voice Agent Builder is xAI’s no-code platform for configuring production voice agents on Grok Voice in under two minutes. It is built for operators and developers who want high-volume voice agents without building the surrounding stack from scratch, bringing telephony, knowledge retrieval, tools, guardrails, MCPs, and observability into one place. Instead of stitching together separate speech-to-text, language model, and text-to-speech APIs, Voice Agent Builder uses one interface on a speech-to-speech path built for Grok Voice, tightly coupled to the model rather than assembled from three different systems. Users can write a plain-language description of how calls should flow, attach documents, connect tools, set guardrails, and move quickly from zero to a working agent. It can retrieve from uploaded knowledge bases in common formats such as plain text, Markdown, Word, PowerPoint, Excel, HTML, JSON, and others.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported

Audience

Software engineering and CRO teams at ecommerce and SaaS companies who write their own test variations in code, and agencies running experiments for client sites.

Audience

Developers and business operators seeking to build production voice agents with integrated telephony, knowledge retrieval, tools, guardrails, and call monitoring

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

$99/month
Free Version Not Supported
Free Trial Supported

Pricing

$30 per month
Free Version Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

ABTestly
Founded: 2025
abtestly.com

Company Information

SpaceXAI
Founded: 2023
United States
x.ai/news/grok-voice-agent-builder

Alternatives

No Alternatives

Alternatives

ElevenAgents

ElevenAgents

ElevenLabs

Categories

AB Testing Supported

Categories

AI Agent Builders Supported
AI Voice Agents Supported

Integrations

Grok Not Supported
Grok Voice Think Fast 1.0 Not Supported
Grok Voice Think Fast 2.0 Not Supported
HTML Not Supported
JSON Not Supported
Markdown Not Supported
Microsoft Excel Not Supported
Microsoft PowerPoint Not Supported
Microsoft Word Not Supported
Model Context Protocol (MCP) Not Supported

Integrations

Grok Supported
Grok Voice Think Fast 1.0 Supported
Grok Voice Think Fast 2.0 Supported
HTML Supported
JSON Supported
Markdown Supported
Microsoft Excel Supported
Microsoft PowerPoint Supported
Microsoft Word Supported
Model Context Protocol (MCP) Supported
Claim ABTestly and update features and information
Claim ABTestly and update features and information
Claim Grok Voice Agent Builder and update features and information
Claim Grok Voice Agent Builder and update features and information