Open Source Text Analytics for LLM Apps

Turn your LLM app prototype into a product matching your quality standards.

Test, evaluate, guardrail and improve your LLM app

Backed & built by people from
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They use phospho

Ship LLM apps in production that meet your quality standards.

Discover how phospho help companies of all sizes to keep track of their LLM apps performance and quality.

Monitor. Detect. Take Actions.

Semantic observability for production grade LLM apps.

Analytics you can finally understand. And leverage.

Test & Evaluate

You store LLM messages...

Easily log user inputs and LLM app outputs to get an overview of what is happening in real time.

... we run custom evaluation pipelines

Link user feedback to phospho. Annotate a few messages. We handle the rest on all messages.

Monitor & Improve

Define and extract semantic events

Automatically detect and extract semantic events in each message.

Create and run A/B tests

Design and run A/B tests to compare different versions of your LLM app.

Guardrail & Take Actions

Trigger actions

Build automated workflows via webhooks or API calls when specific events are detected. In real time.

Learn from your data

Export your data. Explore them through API. Your labelled datasets are ready for finetuning.

Pricing plans

Flexible plans and features

For projects of all sizes

Pro
from $299/mo
14 days free trial
Enterprise
Custom
Enterprise-wide deployment
Usage
Pricing
1$ / 1K logsPricing
CustomPricing
Team members
15 membersTeam members
CustomTeam members
Custom events
100 differentCustom events
UnlimitedCustom events
Features
Custom Evaluations
Custom Evaluations
Custom Evaluations
Events Detection
Events Detection
Events Detection
Cloud hosting
Cloud hosting
Cloud hosting
Team Workspace
Team Workspace
Team Workspace
SSO + SAML
SSO + SAML
SSO + SAML
Higher Rate Limits
Higher Rate Limits
Higher Rate Limits
Support
Dedicated Support
Dedicated Support
Dedicated Support
White Glove Migration
White Glove Migration
White Glove Migration
Priority on Feature Release
Priority on Feature Release
Priority on Feature Release
Open Source text analytics for LLM apps

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