Fusion

OpenRouter chat Long

API ID: openrouter/fusion

Compare Calculate
Input Price
$-1000000.0000
/1M tokens
Output Price
$-1000000.0000
/1M tokens

About Fusion

Fusion is a budget-friendly general-purpose model from OpenRouter with ultra-long context (1.0M), suitable for conversations, content creation, and general AI tasks.

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

Model Specifications

Context Length
1.0M
Max Output
—
Release Date
2026-06-13
Capabilities
chat
Input Modalities
text
Output Modalities
text

Best For

  • Conversations, content writing, general assistance

Consider Alternatives For

  • Image understanding (needs vision capability)

💰 Real-World Cost Examples

Estimated monthly costs for common use cases

Personal AI Assistant
$-750000.00
/month
50 conversations/day, ~500 tokens each
Customer Service Bot
$-24000000.00
/month
1000 tickets/day, ~800 tokens each
Calculate Your Custom Usage

OpenRouter Model Lineup

Compare all models from OpenRouter to find the best fit

Model Input Output Context Capabilities
Fusion Current $-1000000.0000 $-1000000.0000 1.0M chat
Body Builder (beta) $-1000000.0000 $-1000000.0000 128k 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
Cinematika 7B (alpha) Free Free 8k chat
View All OpenRouter Models →

🚀 Quick Start

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

Resources

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