Who is hackaprompt for?

hackaprompt is a B2B product built for prompt engineers.

Yes — hackaprompt is free to use.

What platforms does hackaprompt run on?

hackaprompt runs on the web. It can also be self-hosted.

Is hackaprompt still maintained?

Unverified. hackaprompt has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to hackaprompt?

Similar projects tracked by PulseGate include Cliprise, chi-ai, and AI DocuChat.

Who develops hackaprompt?

hackaprompt is developed by hackaprompt.

When did hackaprompt launch?

hackaprompt first shipped in 2023.

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hackaprompt

Name: hackaprompt
Author: hackaprompt

huggingface.coAI & ML

hackaprompt is a web-based tool for testing custom prompts on various large language models. Users can select difficulty levels, choose models, and evaluate outputs, making it ideal for prompt engineers and AI researchers.

FreeWebSelf-hostedCloud-managed

Visit huggingface.co

Overview

5 features

hackaprompt is an AI & ML project. It focuses on testing and evaluating prompt effectiveness on large language models without coding. hackaprompt is a B2B product aimed at prompt engineers. hackaprompt costs nothing to use. hackaprompt is available on the web, and it can be self-hosted.

It is developed by hackaprompt, and it first shipped in 2023. Among its 5 catalogued features are prompt input, LLM selection, and difficulty levels.

Summary written by a language model from the project’s public pages.

Prompt input
LLM selection
Difficulty levels
Response evaluation
Output display

Built with & integrations

Hosting

AWS

AI providers

local_oss

Runs on

BrowserSelf-hostedCloud-managed

Detected from

AWS: x-amz-cf-id header · x-amz-cf-pop header · via header
local_oss: huggingface in the HTML

Trust & compliance

Verified signals

HTTPSFree tier

Indexing history

What PulseGate has recorded for this listing

Indexed10 Jul · 22:24 UTC
hackaprompt/playground verified against its public source
Source: PulseGate · Open

Frequently asked questions about hackaprompt

What does hackaprompt do?: Hackaprompt focuses on testing and evaluating prompt effectiveness on large language models without coding. It is catalogued under AI & ML on PulseGate.
Who is hackaprompt for?: hackaprompt is a B2B product built for prompt engineers.
Is hackaprompt free?: Yes — hackaprompt is free to use.
What platforms does hackaprompt run on?: hackaprompt runs on the web. It can also be self-hosted.
Is hackaprompt still maintained?: Unverified. hackaprompt has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to hackaprompt?: Similar projects tracked by PulseGate include Cliprise, chi-ai, and AI DocuChat.Cliprise chi-ai AI DocuChat
Who develops hackaprompt?: hackaprompt is developed by hackaprompt.
When did hackaprompt launch?: hackaprompt first shipped in 2023.

At a glance

Platforms: Web
Languages: English
Built for: prompt engineers
Model: B2B
Solves: Testing and evaluating prompt effectiveness on large language models without coding.

Registered as

Hugging Face Spaces: hackaprompt/playground

Live coverage

Identity confidence: High · 92.6
Indexed: 10 Jul 2026
Lifecycle: Unverified
Last seen: 10 Jul 2026

Identity audit (12)

Slug: hackaprompt-playground-huggingface-co
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 10 Jul 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model from page content.
Last updated: 22 Jul 2026
Canonical URL: https://huggingface.co/spaces/hackaprompt/playground

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