Stop Overpaying for Simple Classifiers.

Use Sutro to dramatically reduce costs and speed up enterprise classification tasks. Create and reuse custom classification models that know your business inside and out.

import sutro as so

import polars as pl

from pydantic import BaseModel


new_products = pl.read_csv("march-2025-new-products.csv")


system_prompt = """

You are a helpful assistant that classifies products into categories:

Electronics, Home & Garden, Clothing, Toys & Games, Books, Movies & TV, Music, Art & Collectibles, Other

You will be shown a product's title and description. Return the category that best fits the product and nothing else.

"""


class NewProductClassification(BaseModel):

    category: str


results = so.infer(

    new_products,

    column=["Title: " + "title", "Description: " + "description"],

    system_prompt=system_prompt,

    model="gemma-3-27b-it",
output_schema=NewProductClassification,

)

print(results.head())

┌─────┬─────────────────────────────────┬─────────────────────────────────┬───────────────┐

│ id  ┆ title                           ┆ description                     ┆ category      │

│ --- ┆ ---                             ┆ ---                             ┆ ---           │

│ i64 ┆ str                             ┆ str                             ┆ str           │

╞═════╪═════════════════════════════════╪═════════════════════════════════╪═══════════════╡

│ 1   ┆ Wireless Noise-Cancelling Head… ┆ Over-ear Bluetooth headphones … ┆ Electronics   │

│ 2   ┆ Mid-Century Walnut Coffee Tabl… ┆ Handcrafted solid walnut coffe… ┆ Home & Garden │

│ 3   ┆ Men's Organic Cotton T-Shirt    ┆ Soft, breathable t-shirt made … ┆ Clothing      │

│ 4   ┆ Classic Wooden Train Set        ┆ 24-piece wooden train set with… ┆ Toys & Games  │

│ 5   ┆ The Great Gatsby                ┆ Hardcover edition of F. Scott … ┆ Books         │

└─────┴─────────────────────────────────┴─────────────────────────────────┴───────────────┘

Accurate Classifiers at a Fraction of the Cost

Accurate Classifiers at a Fraction of the Cost

Forget the training data

Skip the laborious process of gathering and paying for expensive training data. Use highly-capable, pre-trained models to save on upfront costs.

Iterate quickly to improve accuracy

Use Sutro’s fast prototyping capabilities to land on an accurate, versioned configuration within minutes.

Scale without the cost pains

Use your classifier on a few inputs, or a few million. Our throughput-optimized engine lets you run small, accurate classifiers for a fraction of the cost of other providers.

Scale Productivity with purpose-built functions.

Scale Productivity with purpose-built functions.

Document Categorization

Classify enterprise documents and emails for compliance, security, and hygiene.

Lead Scoring

Easily score inbound leads and prospects with a classifier suited to your business needs.

Churn Prediction

Continuously monitor customer behavior for signals of churn risk.

Sentiment Analysis

Easily monitor customer satisfaction from product reviews and support logs.

Customer Segmentation

Group users or prospects for better outreach targeting.

Fraud and Spam Detection

Identify bad actors, emails, resumes and more.

FAQ

What is Sutro?

Do I need to code to use Sutro?

How much can I save using Sutro?

How do I handle rate limits in Sutro?

Can I deploy Sutro within my VPC?

Are open-source LLMs good?

Is my data secure in Sutro?

Can I use custom models in Sutro?

How can I load data into Sutro?

How do I sign up for Sutro?

What is Sutro?

Do I need to code to use Sutro?

How much can I save using Sutro?

How do I handle rate limits in Sutro?

Can I deploy Sutro within my VPC?

Are open-source LLMs good?

Is my data secure in Sutro?

Can I use custom models in Sutro?

How can I load data into Sutro?

How do I sign up for Sutro?

What is Sutro?

Do I need to code to use Sutro?

How much can I save using Sutro?

How do I handle rate limits in Sutro?

Can I deploy Sutro within my VPC?

Are open-source LLMs good?

Is my data secure in Sutro?

Can I use custom models in Sutro?

How can I load data into Sutro?

How do I sign up for Sutro?

70%

Lower Costs

1B+

Tokens Per Job

10X

Faster Job Processing

Faster Processing

Purpose-built classifiers for high-leverage teams.

Stop overpaying for simple classification tasks - switch to Sutro today.