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Subham Divakar
Subham Divakar

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I Think I Just Found One of Python's Most Underrated AI Libraries

#ai #llm #python

I Found a Python Package That Runs Local LLMs With One pip install

Most local AI setups look something like this:

Install Ollama
Pull a model
Start the service
Configure everything
Write code
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After doing this across multiple projects, I started wondering:

Why does every application need to know how to run an LLM?

Why should every app handle:

  • model selection
  • context storage
  • session management
  • fallback logic
  • tool calling
  • backend switching

That's when I came across freeaiagent.

And the architecture immediately caught my attention.

The Core Idea

Instead of embedding AI logic into every application, freeaiagent runs as a local HTTP service.

Your applications simply call it.

Your Apps
    |
    v
localhost:7731
    |
    v
freeaiagent
 ├─ Router
 ├─ Context
 ├─ Fallback Chain
 └─ Tool Calling
    |
    +--> Local Model
    +--> Ollama
    +--> Groq
    +--> Gemini
    +--> OpenRouter
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This means:

  • Flask apps
  • Django apps
  • FastAPI services
  • CLI tools
  • Automation scripts

all share the same AI service.

Installation 

pip install freeaiagent
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Download a local model:

freeaiagent pull
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Start the service:

freeaiagent start
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Done.

The server starts at:

http://localhost:7731
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There is also a built-in Chat UI:

http://localhost:7731/ui
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No Ollama Required

This was the part that surprised me.

The package uses llamafile underneath and automatically downloads and runs local GGUF models.

So you get:

✅ Local models

✅ Offline inference

✅ No API key

✅ No separate runtime installation

Supported local models include:

  • Llama 3.2 1B
  • Llama 3.2 3B
  • Phi-3 Mini
  • Gemma 2B
  • Qwen 2.5 7B
  • Llama 3.1 8B
  • Qwen 2.5 14B

Example:

freeaiagent pull qwen2.5-7b
freeaiagent config set default_model qwen2.5-7b
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Any HuggingFace GGUF Model

Another feature I wasn't expecting:

freeaiagent search qwen2.5
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Search public GGUF models.

Then pull one directly:

freeaiagent pull hf:bartowski/Qwen2.5-7B-Instruct-GGUF/Qwen2.5-7B-Instruct-Q4_K_M.gguf
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No extra tooling required.

The Built-In Fallback Chain

One thing every AI application eventually needs is reliability.

freeaiagent has automatic backend fallback:

{
  "fallback_order": [
    "llamafile",
    "ollama",
    "groq"
  ]
}
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If the current backend fails:

  • local unavailable → try Ollama
  • Ollama unavailable → try Groq
  • Groq unavailable → continue down the chain

Your application keeps working.

Calling It From Python

The integration is intentionally simple.

import urllib.request
import json

req = urllib.request.Request(
    "http://localhost:7731/chat",
    data=json.dumps({
        "message": "Explain vector databases"
    }).encode(),
    headers={
        "Content-Type": "application/json"
    }
)

response = json.loads(
    urllib.request.urlopen(req).read()
)

print(response["response"])
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No SDK required.

No OpenAI client.

No LangChain.

Just HTTP.

Per-App Context

A nice touch:

headers={
    "X-Caller-ID": "my-app"
}
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Every application automatically gets its own conversation history.

Context is stored in SQLite.

No custom session layer required.

Streaming

Token streaming is available through:

POST /chat/stream
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Example:

curl -N -X POST \
http://localhost:7731/chat/stream
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Responses are streamed via Server-Sent Events (SSE).

Tool Calling

Register an HTTP endpoint:

POST /tools/register
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Then enable tools:

{
  "message": "What's the weather in Paris?",
  "tools": true
}
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The model can call your API endpoint and use the result in its response.

Supported Backends

Local:

  • llamafile
  • Ollama
  • LM Studio
  • Jan
  • LocalAI

Cloud:

  • Groq
  • Gemini
  • OpenRouter
  • Together AI
  • Cerebras

Switching providers doesn't require application changes.

Why I Think This Is Interesting

Most AI tooling focuses on models.

This package focuses on architecture.

Instead of every application implementing:

  • prompts
  • memory
  • model management
  • routing
  • fallbacks

once per project,

it centralizes those concerns into a single local service.

The result feels closer to how we use databases, Redis, or Elasticsearch:

run a service once and let every application use it.

That's a surprisingly clean approach.

Try It 

pip install freeaiagent

freeaiagent pull

freeaiagent start
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A few minutes later you'll have:

  • Local AI
  • HTTP API
  • Chat UI
  • Persistent memory
  • Tool calling
  • Automatic fallbacks

running entirely on your machine.

I'd be curious to hear how others are handling local AI infrastructure and whether you're embedding LLM logic directly into applications or using a service layer like this.

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