GCX

GCX

Rightsify
AfterQuery GCX

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AfterQuery:

About

AfterQuery is an applied research platform designed to create high-quality training data for frontier artificial intelligence models by capturing how real experts think, reason, and solve problems in professional contexts. It focuses on transforming real-world work into structured datasets that go beyond simple outputs, encoding decision-making processes, tradeoffs, and contextual reasoning that traditional internet-sourced data cannot provide. It works directly with domain experts to generate supervised fine-tuning data, including prompt–response pairs and detailed reasoning traces, as well as reinforcement learning datasets with expert-designed prompts and grading frameworks that convert subjective judgment into scalable reward signals. It also builds custom agent environments across APIs and tools, enabling models to be trained and evaluated in realistic workflows, and captures computer-use trajectories that demonstrate how humans interact with software step by step.
GCX:

About

GCX (Global Copyright Exchange) is a dataset licensing service for AI‑driven music, offering ethically sourced and copyright‑cleared premium datasets ideal for tasks like music generation, source separation, music recommendation, and MIR. Launched by Rightsify in 2023, it provides over 4.4 million hours of audio and 32 billion metadata-text pairs, totaling more than 3 petabytes, comprising MIDI, stems, and WAV files with rich descriptive metadata (key, tempo, instrumentation, chord progressions, etc.). Datasets can be licensed “as is” or customized by genre, culture, instruments, and more, with full commercial indemnification. GCX bridges creators, rights holders, and AI developers by streamlining licensing and ensuring legal compliance. It supports perpetual use, unlimited editing, and is recognized for excellence by Datarade. Use cases include generative AI, research, and multimedia production.
AfterQuery:

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
GCX:

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
AfterQuery:

Audience

AI researchers, developers, and enterprises building advanced models who need high-quality, expert-driven training data to improve reasoning and real-world task performance
GCX:

Audience

Music-tech startups developing analytical music applications searching for a tool to get datasets for AI-driven music generation
AfterQuery:

Support

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

Support

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

API

Offers API Supported
GCX:

API

Offers API Not Supported
AfterQuery:

Screenshots and Videos

GCX:

Screenshots and Videos

AfterQuery:

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported
GCX:

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported
AfterQuery:

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
GCX:

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
AfterQuery:

Training

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

Training

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

Company Information

AfterQuery
Founded: 2025
United States
www.afterquery.com
GCX:

Company Information

Rightsify
Founded: 2013
United States
www.gcx.co
AfterQuery:

Alternatives

GCX:

Alternatives

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Gramosynth

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AfterQuery:
GCX:
AfterQuery:
GCX:
Kled

Kled

Kled AI
AfterQuery:
Turing

Turing

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GCX:
MusicWave

MusicWave

MusicWave.ai
AfterQuery:
Alignerr

Alignerr

Labelbox
GCX:
AfterQuery:

Categories

GCX:

Categories

AfterQuery:

Integrations

Model Context Protocol (MCP) Supported
GCX:

Integrations

Model Context Protocol (MCP) Not Supported
AfterQuery:
Claim AfterQuery and update features and information
Claim AfterQuery and update features and information
GCX:
Claim GCX and update features and information
Claim GCX and update features and information