Alternatives

Products that do what PromptFast does

Test agents on any model. No setup, no wait.

1
PromptFast▲1
Fast prompt testing, Skip Agent Setup, Skip Full System Runs
Jan 2026
2
Prompt Engineering Studio▲501
Build, test & deploy AI prompts across 1600+ models at scale
2025
3
Promptimize AI▲335
Your personal prompt engineer across all AI platforms
2025
4
PromptPerf▲139
Instantly test and compare AI prompts results across models
2025
5
Prompter▲128
Generate instant AI prompts based on your projects
2025
6
Trickle AI: Prompts Warehouse▲294
AI power right inside your workflow & ready-to-use prompts
2023
7
PromptCompose - Beta▲153
The command center for your AI prompts.
Oct 2025
8
Promptize▲149
Your AI prompt engineer as a service
2023
9
Prompt Studio by Toolhouse▲27
Build & run AI agents on free premium LLMs
2025
10
Promptius AI▲142
Build production-grade AI agents using natural language
Oct 2025
11
Test AI Models▲23
Compare AI models side-by-side on same prompt
Feb 2026
12
Promptacore▲103
Your system for creating, managing and using AI prompts
Oct 2025
13
Promptaa▲118
AI enhance and organize prompts. Big ideas in little time.
2025
14
Velocity: Prompt Co-Pilot Lite▲49
Grammarly For Prompting - Personalised with Unified Memory!
Nov 2025
15
Promptly▲25
From idea to optimized AI prompt – structured & fast
Feb 2026
16PE
Prompt Engineering Made Easy▲23
Hey HN, We've been hard at work on a tool that we believe will change the game for developers, data scientists, and anyone working with models that rely on textual prompts. I'm excited to introduce our new tool: Automated Prompt Engineering (APE). Problem: As many of you know, how you phrase a prompt can significantly impact the results you get from models, especially with sophisticated language models. It often requires numerous iterations to hone in on the right prompt to obtain the desired response. Solution: APE is designed to tackle this exact problem. With APE, you can: - Iterative…
2023
17FA
Fast-agent – Compose MCP enabled Agents and Workflows in minutes▲29
Hello, HN. I've created fast-agent to make building my own products easier - and remove the friction between defining Prompts, MCP Servers and their composition. It uses a simple, declarative style that's easy to work with and source control - with inbuilt support for the patterns in the Building Effective Agents paper. Because you can "warm-up" and interact with Agents before, during or after the workflows, it's easy to diagnose and tune Agent prompts and behaviour for later runs. Being able to set these workflows up makes LLM Context Management and Tool Selection a lot easier and can…
2025 · github.com
18
PromptPerf 2.0▲18
Find which AI wins for YOUR prompts. Test 100+ models free.
Dec 2025
19
Promptty▲7
AI Prompt Manager
Dec 2025
20PA
Prompt Apps – Ready-to-Use Generative AI Apps from Prompt▲16
Even if you're not a Prompt whiz, you can still get top-notch results just like the pros. This Product will handle internally handle boring And Cognitively demanding prompt Engineering. Just pick a service, fill in the keywords, and get the desired result! Open Source , Free , Privacy Friendly , Crowd Source Prompts, No Login Required. You can submit Features(https://prompt-apps.canny.io/feature-requests?sort=top) and Prompts (https://prompt-apps.canny.io/prompt-conversion?sort=top)
2023 · chatgpt-prompt-apps.com
21
Prompt Shots▲11
Instantly scan, save and share AI prompts from your pocket
Jul 2026 · prompt-shots.com
22
promptman▲5
MCP-native prompt management for agentic apps
Jan 2026
23
Boost Prompt▲5
AI prompt optimizer
Dec 2025
24
Promptizy▲3
Write better AI prompts without learning prompt engineering
May 2026 · promptizy.ai

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