Inflection AI

Inflection AI is a foundation-model company behind the Pi personal AI assistant and the Inflection 3.0 family of empathetic large language models (Pi, Productivity). The Inflection Developer API serves these proprietary models for enterprise integration with cloud and on-premise deployment options.

6 APIs 0 Features

AILLMPersonal AIPiFoundation ModelsEmpathetic AI

APIs

Inflection Chat API

Generates chat-style completions against Inflection's empathetic foundation models (inflection_3_pi, inflection_3_productivity, Pi-3.1) with streaming responses.

Inflection Models API

Lists the available Inflection 3.0 models (inflection_3_pi, inflection_3_productivity, Pi-3.1) with metadata.

Inflection Playground

Browser-based playground for prototyping prompts and evaluating Inflection 3.0 models.

Inflection Usage API

Surfaces usage metrics and rate-limit consumption for the developer account.

Pi Personal AI

Pi consumer chat product (web, iOS, Android, WhatsApp, SMS, Telegram) - empathetic personal AI assistant. Not a developer surface; access is via consumer apps.

Inflection for Enterprise

Enterprise deployment of Inflection 3.0 models including a purpose-built on-premise server option for data locality and TCO optimization. Contact sales.

Resources

Sources

aid: inflection
url: https://raw.githubusercontent.com/api-evangelist/inflection/refs/heads/main/apis.yml
name: Inflection AI
x-type: company
description: >-
  Inflection AI is a foundation-model company behind the Pi personal AI assistant and the Inflection 3.0 family of empathetic large language models (Pi, Productivity). The Inflection Developer API serves these proprietary models for enterprise integration with cloud and on-premise deployment options.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
  - AI
  - LLM
  - Personal AI
  - Pi
  - Foundation Models
  - Empathetic AI
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis:
  - aid: inflection:inflection-chat-api
    name: Inflection Chat API
    tags:
      - Chat
      - Completions
      - LLM
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://developers.inflection.ai/docs
    baseURL: https://layercake.pubwestus3.inf7ks8.com
    properties:
      - url: https://developers.inflection.ai/docs
        type: Documentation
      - url: https://developers.inflection.ai/docs/api-reference
        type: API Reference
      - url: openapi/inflection-openapi.json
        type: OpenAPI
    description: >-
      Generates chat-style completions against Inflection's empathetic foundation models (inflection_3_pi, inflection_3_productivity, Pi-3.1) with streaming responses.
  - aid: inflection:inflection-models-api
    name: Inflection Models API
    tags:
      - Models
      - Catalog
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://developers.inflection.ai/docs/api-reference
    baseURL: https://layercake.pubwestus3.inf7ks8.com
    properties:
      - url: https://developers.inflection.ai/docs/api-reference
        type: API Reference
      - url: openapi/inflection-openapi.json
        type: OpenAPI
    description: >-
      Lists the available Inflection 3.0 models (inflection_3_pi, inflection_3_productivity, Pi-3.1) with metadata.
  - aid: inflection:inflection-playground
    name: Inflection Playground
    tags:
      - Playground
      - Testing
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://developers.inflection.ai/playground
    baseURL: https://developers.inflection.ai
    properties:
      - url: https://developers.inflection.ai/playground
        type: Documentation
      - url: openapi/inflection-openapi.json
        type: OpenAPI
    description: >-
      Browser-based playground for prototyping prompts and evaluating Inflection 3.0 models.
  - aid: inflection:inflection-usage-api
    name: Inflection Usage API
    tags:
      - Usage
      - Metrics
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://developers.inflection.ai/usage
    baseURL: https://developers.inflection.ai
    properties:
      - url: https://developers.inflection.ai/usage
        type: Documentation
      - url: openapi/inflection-openapi.json
        type: OpenAPI
    description: >-
      Surfaces usage metrics and rate-limit consumption for the developer account.
  - aid: inflection:inflection-pi-app
    name: Pi Personal AI
    tags:
      - Pi
      - Consumer
      - Personal AI
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://pi.ai/
    baseURL: https://pi.ai/
    properties:
      - url: https://pi.ai/
        type: Website
      - url: openapi/inflection-openapi.json
        type: OpenAPI
    description: >-
      Pi consumer chat product (web, iOS, Android, WhatsApp, SMS, Telegram) - empathetic personal AI assistant. Not a developer surface; access is via consumer apps.
  - aid: inflection:inflection-enterprise
    name: Inflection for Enterprise
    tags:
      - Enterprise
      - On-Prem
      - Sovereign AI
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://inflection.ai/
    baseURL: https://inflection.ai/
    properties:
      - url: https://inflection.ai/
        type: Documentation
      - url: openapi/inflection-openapi.json
        type: OpenAPI
    description: >-
      Enterprise deployment of Inflection 3.0 models including a purpose-built on-premise server option for data locality and TCO optimization. Contact sales.
common:
  - type: Website
    url: https://inflection.ai/
  - type: Documentation
    url: https://developers.inflection.ai/
  - type: Plans
    url: plans/inflection-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/inflection-rate-limits.yml
  - type: FinOps
    url: finops/inflection-finops.yml
maintainers:
  - FN: Kin Lane
    email: [email protected]