CodeTrain

CodeTrain

InferHaven
+
+

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About

CodeTrain is a training tool for engineers who ship with AI and can no longer explain everything they shipped. It takes a question, a repo, or an onboarding task and turns it into a short lesson of two to six steps against the real code. The learner types every line. The tutor plans the steps, runs the code, grades each attempt, and makes the step smaller when someone is stuck instead of handing over the answer outright. The free tier executes Python in the browser through Pyodide, so nothing leaves the machine and the tier costs almost nothing to run. Server-side sandboxes handle the shell and toolchain lessons. The control plane is FastAPI on Fly.io, the front end is static on Cloudflare Pages, auth is Clerk, billing is Stripe. Tutoring runs on Claude models by default, and bring-your-own-key is supported for Anthropic, Bedrock, Vertex, OpenAI-compatible endpoints, and Ollama, so a team can keep inference on infrastructure it already owns.

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

Audience

Developer teams shipping AI assisted code, or in need of onboarding / ramping acceleration, and individuals who want to learn or upskill their programming abilities.

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

Support

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

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$24/month
Free tier - 10 lessons/m - $0/m
Pro tier - 20x usage + repo mode - $24/m
Team tier - onboarding / team dashboard - $32 per seat/m
Free Version Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not 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:

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Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • Pi Agent looks really appealing from a developer’s point of view because it is simple, open-source, and focused on the actual mechanics of building coding agents. It is not trying to be a giant all-in-one platform. It gives you the core pieces: a unified LLM API, an agent loop, a terminal UI, and a coding-agent CLI. I especially like the context-engineering approach. Being able to control project instructions with AGENTS.md, customize the system prompt with SYSTEM.md, and manage long sessions through compaction makes Pi feel built for developers who actually understand how fragile agent context can be. The open-source MIT license is a big plus too. If I am building serious agent workflows, I want to inspect the harness, modify it, swap models, and understand what is happening under the hood instead of being locked into a black-box coding assistant.

Cons

  • Pi Agent is probably not the best fit for someone who wants a polished, fully managed AI coding product out of the box. It feels more like a toolkit for developers who are comfortable configuring their own workflows, choosing models, and tuning the agent behavior. I would also want to test reliability carefully before using it on production repos. Coding agents can make impressive changes, but they can also get stuck, over-edit files, miss project conventions, or make subtle mistakes if the context and guardrails are not set up well. The simplicity is a strength, but it also means you may need to bring more of your own infrastructure, evals, permissions, and safety controls.

Training

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

Training

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

Company Information

InferHaven
Founded: 2026
United States
codetrain.ai

Company Information

Pi
United States
pi.dev/

Alternatives

Alternatives

Amp

Amp

Amp Code
Claude Code

Claude Code

Anthropic
Claude Duet

Claude Duet

Anthropic
Cline

Cline

Cline AI Coding Agent

Categories

Categories

Technical Skills Development Features

Analytics Supported
Career Coaching Not Supported
Discussions Not Supported
Exercises and Projects Supported
Offline Usage Supported
Quizzes & Assessments Supported
Videos Not Supported

Integrations

Amazon Bedrock Supported
Claude Supported
Ollama Supported
OpenRouter Supported
Claude Fable 5 Not Supported
Claude Mythos 5 Not Supported
Claude Opus 4.6 Not Supported
Claude Opus 4.8 Not Supported
GPT-5.5 Pro Not Supported
GPT-5.6 Terra Not Supported
GPT-6 Astra Not Supported
HOL Guard Not Supported
Kimi Not Supported
Kimi K3.1 Pro Not Supported
MiniMax Not Supported
MiniMax M3 Not Supported
Nativ Not Supported
Oqoqo Not Supported
Session Orchestrator Not Supported
bb Not Supported

Integrations

Amazon Bedrock Supported
Claude Supported
Ollama Supported
OpenRouter Supported
Claude Fable 5 Supported
Claude Mythos 5 Supported
Claude Opus 4.6 Supported
Claude Opus 4.8 Supported
GPT-5.5 Pro Supported
GPT-5.6 Terra Supported
GPT-6 Astra Supported
HOL Guard Supported
Kimi Supported
Kimi K3.1 Pro Supported
MiniMax Supported
MiniMax M3 Supported
Nativ Supported
Oqoqo Supported
Session Orchestrator Supported
bb Supported
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Claim CodeTrain and update features and information
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Claim Pi Agent and update features and information