Body Builder (beta)

OpenRouter chatreasoning Free

API ID: openrouter/bodybuilder

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

About Body Builder (beta)

OpenRouter Alpha models are experimental routing and specialized models from OpenRouter. These models showcase innovative approaches to AI routing and capability. Alpha variants include various specialized functions. For developers interested in experimental AI routing, OpenRouter Alpha offers preview capability.

🏆
Price Ranking
#1 lowest price among 599 Chat models — Top 20% cheapest!

Model Specifications

Context Length
128k
Max Output
—
Release Date
2025-12-05
Capabilities
chat reasoning
Input Modalities
text
Output Modalities
text

Best For

  • Complex reasoning, math problems, multi-step logic
  • Conversations, content writing, general assistance

Consider Alternatives For

  • Image understanding (needs vision capability)
  • 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
Body Builder (beta) Current Free Free 128k chat reasoning
Cinematika 7B (alpha) Free Free 8k chat
Optimus Alpha Free Free 1.0M chat vision
Quasar Alpha Free Free 1.0M chat vision
Bert-Nebulon Alpha Free Free 256k chat vision reasoning
Sherlock Dash Alpha Free Free 1.8M chat vision reasoning
View All OpenRouter Models →

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🚀 Quick Start

Get started with Body Builder (beta) 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/bodybuilder",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

Resources

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