Buyer's guide

AI assistants and chatbots

General-purpose assistants have become the default way many people reach a language model. This guide covers notable chat assistants and chatbots: the leading standalone services, assistants embedded in devices and social platforms, regional and multilingual offerings, and companion-style chat. Products are grouped by focus.

How to choose

Who this is for. Anyone comparing general-purpose chat assistants for everyday writing, coding help, and questions, who wants to see how standalone services, platform-embedded assistants, and regional options differ before committing to one.

Who this is not for. Teams that need a domain-specific agent for support, legal, or IDE-native coding rather than a general chatbot, and anyone who needs a self-hosted model with full control over weights and hosting.

Leading general-purpose assistants

Standalone web and app assistants from the largest model vendors, covering writing, coding help, and open questions; unlike the platform assistants next, you reach them through their own site or app.

AI products
Select for comparisonNameCompanyCategoryBusiness modelLaunchedUpdatedMy shortlist
ChatGPT

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OpenAI AI Assistants Freemium 2022-11 2026-10-10
Claude

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Anthropic AI Assistants Freemium 2023-03 2026-10-10
Gemini

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Google DeepMind AI Assistants Freemium 2023-12 2026-10-12
Grok

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xAI AI Assistants Freemium 2023-11 2026-10-09
Microsoft Copilot

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Microsoft AI Assistants Freemium 2023-02 2026-10-10

On-device and platform assistants

These assistants ship inside an operating system or social platform, so they arrive with the device or feed rather than as a separate destination; unlike the regional services below, they are not built around a single home market.

AI products
Select for comparisonNameCompanyCategoryBusiness modelLaunchedUpdatedMy shortlist
Apple Intelligence

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Apple AI Assistants Free 2024-10 2026-10-09
Meta AI

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Meta AI Assistants Free 2023-09 2026-07-30

Regional and multilingual assistants

Services with a strong regional language focus or a home market outside the US, which the global assistants above may serve only as a second language; unlike the companion apps below, they are general-purpose work and everyday tools.

AI products
Select for comparisonNameCompanyCategoryBusiness modelLaunchedUpdatedMy shortlist
Doubao

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ByteDance AI Assistants Freemium 2023-08 2026-09-10
Kimi

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Moonshot AI AI Assistants Freemium 2023-10 2026-09-04
Wenxin Assistant

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Baidu AI Assistants Freemium 2023-03 2026-09-10
Vibe

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Mistral AI AI Assistants Freemium 2024-02 2026-10-09
ChatGLM

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Z.ai (Zhipu AI) AI Assistants Freemium 2023-03 2026-09-10
Tencent Hunyuan

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Tencent AI Assistants Freemium 2023-09 2026-09-10

Companion and social chat

Chat products built for companionship, persona play, and long conversational sessions rather than workplace tasks; unlike the regional assistants above, they are usually not aimed at documents, code, or business workflows.

AI products
Select for comparisonNameCompanyCategoryBusiness modelLaunchedUpdatedMy shortlist
Character.AI

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Character Technologies AI Assistants Freemium 2022-09 2026-09-10
Pi

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Inflection AI AI Assistants Free 2023-05 2026-09-10
Talkie

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MiniMax AI Assistants Freemium 2023 2026-10-10

Your next step

  1. Compare ChatGPT and Claude on the recorded facts
  2. Check what switching to or from ChatGPT actually changes
  3. Spotted a stale value? Send a correction

Every link above keeps the evidence attached: the index shows each value with its source and the day it was checked.

Frequently asked questions

Does this guide pick a winner?

No. It groups notable indexed products by job-to-be-done and links to sourced records. It does not score or rank.

How are products grouped?

Groups follow workflow or deployment, not popularity. A product appears in one section of this guide.

Where do the facts come from?

From each product record in the index, which cites official and independent sources and a last-reviewed date.

What should I watch out for?

Capabilities, model families, prices, and regional availability change without notice, and an assistant can state wrong things confidently. Check the product record and the vendor's own page before relying on a feature.

Related comparisons

Sources and record dates

Record dates describe index updates, not independent product tests. Check linked documentation for current features and pricing.