Free Models Router

OpenRouter chatreasoningtool_usevision Long Free

API ID: openrouter/free

Compare Calculate
Input Price
Free
/1M tokens
Output Price
Free
/1M tokens

About Free Models Router

The simplest way to get free inference. openrouter/free is a router that selects free models at random from the models available on OpenRouter. The router smartly filters for models that support features needed for your request such as image understanding, tool calling, structured outputs and more.

🏆
Price Ranking
#6 lowest price among 1240 Chat models — Top 20% cheapest!

Model Specifications

Context Length
200k
Max Output
—
Release Date
2026-02-01
Capabilities
chat reasoning tool_use vision
Input Modalities
textimage
Output Modalities
text

Best For

  • Complex reasoning, math problems, multi-step logic
  • Image analysis, document understanding, visual Q&A
  • Conversations, content writing, general assistance

Consider Alternatives For

  • Simple Q&A (cheaper models available)
🎉

This model is completely free!

No token costs - use it without worrying about API bills.

Estimate Token Usage

OpenRouter Model Lineup

Compare all models from OpenRouter to find the best fit

Model Input Output Context Capabilities
Free Models Router Current Free Free 200k chat reasoning tool_use vision
Body Builder (beta) $-1000000.0000 $-1000000.0000 128k chat
Fusion $-1000000.0000 $-1000000.0000 1.0M chat
Pareto Code Router $-1000000.0000 $-1000000.0000 2.0M chat code
Auto Router $-1000000.0000 $-1000000.0000 2.0M audio chat image_gen
Auto Router (Beta) $-1000000.0000 $-1000000.0000 2.0M audio chat image_gen
View All OpenRouter Models →

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🚀 Quick Start

Get started with Free Models Router API

OpenAI-compatible SDK 
from openai import OpenAI

client = OpenAI(
    base_url="https://api.provider.com/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="openrouter/free",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

Resources

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