Auto
fastrouter/auto is an enhanced meta-model that intelligently routes each prompt to the best-fit model from dozens of options — optimizing for quality, contextual relevance, and cost. You will be billed at the exact rate of the selected model, with full transparency in the Activity page and response metadata. With improved query understanding and a next-gen selection engine, Auto delivers sharper routing decisions and more consistent outputs — making it the most reliable way to get started.
Context
1M
Input /1M
Varies
Output /1M
Varies
Blended /1M
Varies
AcceptsTextImageProducesTextTokenizer Other
Performance
Median throughput and time to first token per provider over the last week.
Throughput
Latency
Make your first API call
OpenAI-compatible. Point your SDK at FastRouter, or call the API directly.
Replace
<FASTROUTER_API_KEY> with your key · Get your key →Installfrom openai import OpenAI
client = OpenAI(
base_url="https://api.fastrouter.ai/api/v1", # FastRouter base URL
api_key= "<FASTROUTER_API_KEY>", # Replace with your FastRouter API key
)
completion = client.chat.completions.create(
model="fastrouter/auto", # Replace with your model ID
messages=[
{ "role": "user", "content": "What is the meaning of life?" }
]
)
print(completion.choices[0].message.content)
Frequently asked questions
Model scores sourced from ArtificialAnalysis