I

IBM Watson Natural Language Understanding

API service

by IBM

Deep-learning text analytics service extracting entities, sentiment, emotion, concepts, semantic roles and custom classifications from unstructured text.

Find alternatives to IBM Watson Natural Language Understanding

Lite plan free (30,000 NLU items/month, 1 custom model); Standard from $0.003/item at 5M+ items/month, custom entity/relations models $800, classification models $25.

What it does

• Document extraction

Sources

Pricing

Pricing page · 14 Sep 2026

Description

Official documentation · 14 Sep 2026

What it does

Official documentation · 14 Sep 2026

Sold within

Pricing page · 14 Sep 2026

Free registration and self-serve signup on IBM Cloud.

Name

Official documentation · 14 Sep 2026

URL

Official documentation · 14 Sep 2026

Also from IBM

• IBM Bob Developer tool

  An AI coding agent that automates planning, code generation, review and verification across the software development lifecycle, including IBM Z mainframe modernization workflows.

• IBM Concert Platform

  An agentic AI IT-operations platform that unifies observability, optimization and automated remediation across applications, infrastructure and networks.

• IBM Watson Assistant Agent platform

  A conversational AI platform for building customer-support chatbots and virtual assistants deployed across voice and digital channels.

• IBM Watson Speech to Text API service

  A speech recognition API that converts audio into real-time or batch text for transcription, captioning and voice-analytics use cases.

• IBM Watson Text to Speech API service

  A text-to-speech API that converts text into multilingual synthesized speech using neural voices.

• IBM watsonx.ai Platform

  Studio for building, tuning and deploying model-based applications on IBM and third-party foundation models.

• IBM watsonx Code Assistant for Z Developer tool

  A generative AI assistant for IBM Z mainframe application discovery, code generation, refactoring and modernization.

• IBM watsonx.data Data service

  An open hybrid data lakehouse including a built-in Milvus vector database that unifies data access and automates governance for AI and analytics workloads.

• IBM watsonx.governance Platform

  A governance platform providing real-time visibility, policy enforcement and accountability tracking for AI models and agents across the AI lifecycle.

• IBM watsonx Orchestrate Agent platform

  Platform for building and running AI agents that call enterprise applications on a user's behalf.

• IBM Guardium AI Security Application

  Protects enterprise data across AI agents, applications and endpoints against agentic-AI, regulatory and post-quantum risks.

• IBM Instana Application

  Full-stack application and infrastructure observability powered by agentic AI, including automatic discovery/mapping of GenAI workflows and AI-driven Smart Alerts to reduce alert fatigue.

• IBM Robotic Process Automation Application

  AI-driven robotic process automation for building intelligent bots that automate business processes, with AI-embedded resilience built into the RPA runtime.

• IBM SPSS Modeler Application

  Visual data-science and machine-learning platform for building predictive models, with advanced algorithms, model deployment and open-source framework integration.

• IBM Watson Discovery Application

  Document intelligence platform using OCR, NLP enrichments (entity/sentiment/emotion/category extraction) and LLM integration to automate information discovery from enterprise documents.

Open IBM in the directory

Something wrong here? Send a correction — quote this product id: ibm-watson-nlu.