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About

The AI sidekick that tests its own code and iterates until it works. Otto Engineer is an autonomous agent that takes AI-assisted coding to the next level. Otto executes its code and tests it to make sure it works. If there are errors, it will keep iterating until the code works. Otto is built on web containers, a runtime for executing Node.js and OS commands that runs entirely in the browser, with a virtual, in-memory file system Since it all runs in the browser, you just start a new chat and put Otto to work, watching it run commands and edit code in the embedded terminal and editor. Otto can install and use npm packages, tweak its TS config, and write its own tests. Say goodbye to hallucinated code that doesn't actually work.

About

Pi is a minimal terminal coding harness built to adapt to developer workflows instead of forcing developers to adapt to it. It ships with powerful defaults, but stays intentionally small and aggressively extensible, letting users customize Pi with extensions, skills, prompt templates, themes, and shareable packages from npm or git. If a team needs a command, tool, provider, workflow, or UI tweak, they can ask Pi to build it, manipulate it in place, reload, and keep going. Pi supports interactive, print/JSON, RPC, and SDK modes, making it usable as a full terminal UI, a scriptable command, a JSON event stream, or an embeddable agent harness. It works with 15+ providers and hundreds of models, including Anthropic, OpenAI, Google, Azure, Bedrock, Mistral, Groq, Cerebras, xAI, Hugging Face, Kimi For Coding, MiniMax, OpenRouter, Ollama, and more, with mid-session model switching.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers looking for an AI solution to execute code and test it to make sure it works

Audience

Developers and AI tool builders who want a minimal, extensible terminal coding agent they can customize, script, embed, and adapt to their own workflows

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

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
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Otto Engineer
otto.engineer/

Company Information

Pi
United States
pi.dev/

Alternatives

OTTO SEO

OTTO SEO

Search Atlas

Alternatives

Claude Code

Claude Code

Anthropic
OttoLearn

OttoLearn

OttoLearn® Gamified Microlearning™ (a division of Neovation Learning Solutions)
OpenClaw

OpenClaw

Molty
otto-js

otto-js

otto
Cline

Cline

Cline AI Coding Agent

Categories

Categories

Integrations

Cerebras
Claude
Claude Opus 4.6
GPT-5.4
GPT-5.4 Pro
GPT-5.5 Pro
Google Cloud Platform
Grok
Groq
Hugging Face
JSON
Kimi
Kimi K2.6
Microsoft Azure
MiniMax
MiniMax M2.7
Mistral AI
Node.js
OpenRouter
TypeScript

Integrations

Cerebras
Claude
Claude Opus 4.6
GPT-5.4
GPT-5.4 Pro
GPT-5.5 Pro
Google Cloud Platform
Grok
Groq
Hugging Face
JSON
Kimi
Kimi K2.6
Microsoft Azure
MiniMax
MiniMax M2.7
Mistral AI
Node.js
OpenRouter
TypeScript
Claim Otto Engineer and update features and information
Claim Otto Engineer and update features and information
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