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Hero Illustration
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Hero Illustration

Backed by Y combinator

Backed by Y combinator

Backed by Y combinator

Backed by Y combinator

Open source text analytics platform for LLM apps

Open source text analytics platform for LLM apps

Open source text analytics platform for LLM apps

Open source text analytics platform for LLM apps

Log & extract insights from user inputs in real time. Evaluate models and prompts continuously.

Log & extract insights from user inputs in real time. Evaluate models and prompts continuously.

Log & extract insights from user inputs in real time. Evaluate models and prompts continuously.

Log & extract insights from user inputs in real time. Evaluate models and prompts continuously.

Screenshot of the main dashboard with gradients as background
Screenshot of the main dashboard with gradients as background
Screenshot of the main dashboard with gradients as background
Screenshot of the main dashboard with gradients as background
A pattern made of dots placed behind the main visual
A pattern made of dots placed behind the main visual
A pattern made of dots placed behind the main visual

Backed & built by people from

McKinsey Logo
McKinsey Logo
McKinsey Logo
Hugging Face Logo
Hugging Face Logo
Hugging Face Logo
BCG Logo
BCG Logo
BCG Logo
Client 05
Client 05
Client 05
Google Logo
Google Logo
Google Logo
Mistral AI Logo
Mistral AI Logo
Mistral AI Logo

Turn text into insights to keep improving your GenAI app

Turn text into insights
to keep improving your GenAI app

Monitor

Get an overview of what is happening in real time. Annotate on the fly. Link your user feedback.

Learn

Understand customer usage, uncover edge cases. Detect vulnerabilities with personalized KPIs.

Measure & Evaluate

Improve continuously the performance of your model or prompt with automatic evals pipeline.

Streamline the iteration cycle of your GenAI product with phospho

FEATURES

Monitor user interactions in real time

Figure out what are your users talking about in your LLM app

Figure out what are your users talking about in your LLM app

Easily log user inputs and LLM outputs.

Browse to get an overview of what is happening.

Get an overview of what is happening.

FEATURES

Detect the signal in the noise

Detect the signal in the noise

Extract custom KPIs from text.

Automate insights detection in conversations.

Understand customer usage and detect vulnerabilities.

FEATURES

Test, evaluate, compare, iterate

Test, evaluate, compare, iterate

Define tailored metrics & evals.

Automatically measure how your LLM is performing.

Run A/B tests to compare versions of your LLM app.

INTEGRATIONS

Easy integrations at your fingertips

Easy integrations at your fingertips

Easy integrations at your fingertips

Easily integrate phospho in your existing workflows and infrastructure.

Connect your analytics to the tools you already use.

Easily integrate phospho in your existing workflows and infrastructure.

Connect your analytics to the tools you already use.


Our technology is available through serverless APIs, Saas version, and for VPC/on-premise deployment. Our independence from cloud providers is a guarantee of our customers’ independence.

  • Mistral ai

    Foundation models

  • JS

    Use our JS SDK

  • Python

    Use our Python client

  • Mistral ai

    Foundation models

  • JS

    Use our JS SDK

  • Python

    Use our Python client

  • Mistral ai

    Foundation models

  • JS

    Use our JS SDK

  • Python

    Use our Python client

  • 🧪

    Phospho API

    Connect to our API

  • Excel format

    Import your data

  • Langfuse

    Sync your Langfuse data

  • 🧪

    Phospho API

    Connect to our API

  • Excel format

    Import your data

  • Langfuse

    Sync your Langfuse data

  • 🧪

    Phospho API

    Connect to our API

  • Excel format

    Import your data

  • Langfuse

    Sync your Langfuse data

  • CSV format

    Import your data

  • OpenAI

    Powerful models

  • 🦜⚒️

    LangSmith

    Sync your LangSmith data

  • CSV format

    Import your data

  • OpenAI

    Powerful models

  • 🦜⚒️

    LangSmith

    Sync your LangSmith data

  • CSV format

    Import your data

  • OpenAI

    Powerful models

  • 🦜⚒️

    LangSmith

    Sync your LangSmith data

PRICING

Start making smarter decisions,
Choose a plan

Usage Based

$1/1k analysis

Up to 15 team members

Up to 100 different events

Cloud hosting

Dedicated support

Team workspace

1$/1K analysis

Enterprise

Custom

Everything in Usage Based

Unlimited events

SSO + SAML

Higher rate limits

White glove migration

Priority on feature release

24/7 premium support

Self-hosted deployment

Hassle free

Cancel anytime

Support included

BLOG

phospho's impact:
explore customer stories and our updates

Introducing Tak AI: The Next Generation of Search

Get concise, comprehensive answers to your questions in natural language.

Read More

phospho news - Product Update #8

The phospho team is hard at work improving the phospho text analytics platform 🧪

Read More

phospho News - Product Update #7

Testing and Finetuning pipelines incoming. But also a question suggestion feature.

Read More

READY?

Ship faster, learn more

Ship faster, learn more

Open Source text analytics for LLM apps