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ChatGPT

OpenAI · #15 most active of 27 in Writing

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The most widely used consumer AI assistant, spanning writing, analysis, images and voice.

100

Trust score · Verified

1 data point checked · 2026-11-02

Model stack: VerifiedEntry price: UnverifiableUsage claim: UnverifiableVersion: UnverifiableHow this works →

Current version

GPT-6

Entry cost

Free tier · from $20/mo

Changes / 30d

4

The short answers · verified November 5, 2026

What is the latest version of ChatGPT?
The current shipped version of ChatGPT is GPT-6, as of November 5, 2026.
How much does ChatGPT cost?
ChatGPT starts at $20 per month on its cheapest paid tier, as of November 5, 2026.
What AI model does ChatGPT use?
ChatGPT runs primarily on Astra.

Source: OpenAI — help.openai.com · Reusable under CC BY 4.0 — cite Tomorrow

Capabilities

  • Voice mode
  • Deep research
  • Canvas
  • Agent mode
  • Projects
  • Connectors
  • Realtime API
  • Voice agents
  • Computer use
  • Code interpreter
  • Image generation
  • Video generation
  • Web search
  • File search
  • Prompt caching
  • Fine-tuning
  • Plugins
  • Workspace Agents
  • Memories
  • Live translation
  • MCP Connectors
  • Text generation
  • Code generation
  • Realtime transcription
  • MCP and Connectors
  • Structured output
  • Embeddings
  • Images and vision
  • Audio and speech
  • Reasoning models
  • Vision fine-tuning
  • API
  • Voice & Audio
  • Agents
  • text generation
  • code generation
  • multimodal
  • agents
  • voice & audio
  • image generation
  • fine-tuning
  • Multimodal
  • File inputs
  • Image inputs
  • Speech generation
  • Agent Builder
  • MCP Server
  • text-generation
  • code-interpreter
  • voice-agents
  • voice agents
  • code interpreter
  • prompt caching
  • audio
  • mcp server
  • plugins
  • Agent builder
  • API access
  • Realtime audio
  • MCP Server support
  • agent builder
  • image-generation
  • mcp-servers
  • web-search
  • Voice
  • MCP connections
  • reasoning
  • images and vision
  • video generation
  • audio and speech
  • realtime api
  • Reasoning
  • Responses API
  • WebSocket mode
  • Multi-agent
  • file inputs
  • web search
  • mcp connections
  • conversational ai
  • voice agent
  • voice
  • computer use
  • vision fine-tuning
  • realtime API
  • audio & voice
  • Tools
  • Audio & voice
  • Moderation
  • Voice and audio
  • Data analysis
  • Custom GPTs
  • file search
  • MCP server
  • realtime audio
  • Custom agents
  • image inputs
  • realtime voice
  • Plugin architecture
  • voice experiences
  • custom GPTs
  • voice composer
  • Image input

Pricing

  • ChatGPT Free

    Basic access to assistance, writing, and learning tools with standard model access

    Free

  • ChatGPT Plus

    Five times more messages for GPT-4o, early access to new features, and advanced tools

    $20

Entry price over time

9 of 73 points reconstructed from Internet Archive captures (hollow dots) — dated by capture, not by when we first saw the page. View a capture

1/10/2024 · $2011/5/2026 · $20

Geek mode

Models under the hood

  • Astra

    OpenAI

    disclosed

  • Codex

    OpenAI

    disclosed

  • GPT Image

    OpenAI

    disclosed

  • GPT-4

    OpenAI

    inferred

  • GPT-4o

    OpenAI

    inferred

  • GPT-4o mini

    OpenAI

    inferred

  • GPT-5.2

    OpenAI

    disclosed

  • GPT-5.2 Thinking

    OpenAI

    disclosed

  • GPT-5.4

    OpenAI

    disclosed

  • gpt-5.6

    OpenAI

    disclosed

  • GPT-6

    OpenAI

    disclosed

  • gpt-6-astra

    OpenAI

    disclosed

  • GPT-Live-1

    OpenAI

    disclosed

  • o1

    OpenAI

    inferred

  • o3-mini

    OpenAI

    inferred

Context window

196K tokens on Plus

Public API

yes

Multi-model routing

yes

Stack signals

  • Model router
  • MCP connectors

Shared model stack

Other tracked products running on the same foundation models — a quick read on how much of the catalog moves when one of these models changes.

green disclosed · amber inferred · grey unattributed. Aliases are folded into one model; provider concentration counts only models with an established vendor.

Reported scale

Reference data. Each figure is whatever the source actually said — weekly users, downloads, revenue run-rate — with its own definition and date. These are not comparable between tools and are never used to rank anything.

  • Weekly active users

    ~1B

    weekly users

    Reported as approaching 1B weekly actives; not a direct OpenAI disclosure.

    as of Jul 2026·The Information ·inferred

  • Weekly active users

    800M

    weekly users

    Vendor stated

    Weekly actives, not paying seats.

    as of Oct 2025·OpenAI DevDay keynote ·disclosed

  • Business seats

    1M+

    paid seats

    Vendor stated

    as of Aug 2025·OpenAI business blog ·disclosed

Also in Writing

All Writing
ERNIE Bot

BaiduChina

15

Baidu's flagship assistant, now on open-weight ERNIE models.

Version
5.0
Cost
Pay-as-you-go API pricing with select free trial skills/components. Ernie 5.0 at 0.006-0.01 RMB per 1k input tokens.
Model
DeepSeek-V3.1
Jasper

Jasper

13

Brand-consistent marketing copy

Version
Jasper Platform
Cost
Free tier · from $69/mo
Model
ChatGPT
Claude

Anthropic

12

Assistant for long-form and analysis

Version
5.5
Cost
Free tier · from $17/mo
Model
Claude Fable 5
Hunyuan

TencentChina

12

Tencent's multimodal model family and assistant.

Version
Hunyuan
Cost
Free trial quota of 1M tokens. Pay-as-you-go pricing applies afterward.
Model
Hunyuan-a13b
DeepSeek

DeepSeekChina

11

Open-weight reasoning models at a fraction of frontier pricing.

Version
DeepSeek-V4.1-Flash-1017
Cost
Pay-as-you-go API pricing (not fully detailed in text). Free tier or flat-rate seats not specified.
Model
deepseek-flash
Grok

xAI

11

Frontier assistant with real-time X data and heavy reasoning modes.

Version
Grok 4.7
Cost
from $2/mo
Model
grok-4.5

Elsewhere on the same models

Products in other segments that name one of ChatGPT's models in their stack.

Breeze

HubSpot

3

AI across the CRM

Version
Agent Hub
Cost
Free tier · from $20/mo
Model
GPT-5.2
ChatGPT Agent

OpenAI

3

Browser-using assistant

Version
GPT-6
Cost
from $20/mo
Model
Astra
ChatGPT Deep Research

OpenAI

2

Multi-step research reports

Version
Deep Research
Cost
from $20/mo
Model
GPT-5.2 Thinking
Consensus

Consensus

Evidence-based answers from science

Version
2025 platform
Cost
Free tier · from $9/mo
Model
GPT-5.2
Ideogram

Ideogram

12

Image generation with legible text

Version
4.5
Cost
from $8/mo
Model
GPT Image
Khanmigo

Khan AcademyUnited States

14

AI tutor for students and teachers

Version
GPT-4 integration
Cost
Free for teachers. Paid monthly or annual subscription required for parents and learners (pricing not specified).
Model
GPT-4

Change history

  • capability

    New capabilities: Image input

    101 tracked102 tracked · +Image input

    source
  • capability

    New capabilities: voice composer

    100 tracked101 tracked · +voice composer

    source
  • capability

    New capabilities: voice experiences, custom GPTs

    98 tracked100 tracked · +voice experiences, custom GPTs

    source
  • capability

    New capabilities: Plugin architecture

    97 tracked98 tracked · +Plugin architecture

    source
  • model

    ChatGPT added Codex to its model stack

    Astra, GPT Image, GPT-4, GPT-4o, GPT-4o mini, GPT-5.2, GPT-5.2 Thinking, GPT-5.4, GPT-6, GPT-Live-1, gpt-5.6, gpt-6-astra, o1, o3-miniAstra, Codex, GPT Image, GPT-4, GPT-4o, GPT-4o mini, GPT-5.2, GPT-5.2 Thinking, GPT-5.4, GPT-6, GPT-Live-1, gpt-5.6, gpt-6-astra, o1, o3-mini

    source
  • capability

    New capabilities: realtime voice

    96 tracked97 tracked · +realtime voice

    source
  • capability

    New capabilities: image inputs

    95 tracked96 tracked · +image inputs

    source
  • capability

    New capabilities: Custom agents

    94 tracked95 tracked · +Custom agents

    source
  • capability

    New capabilities: realtime audio

    93 tracked94 tracked · +realtime audio

    source
  • capability

    New capabilities: MCP server

    92 tracked93 tracked · +MCP server

    source
  • version

    ChatGPT moved to GPT-6

    GPT-4oGPT-6

    source
  • capability

    New capabilities: file search

    91 tracked92 tracked · +file search

    source
  • version

    ChatGPT moved to GPT-4o

    GPT-6GPT-4o

    source
  • model

    ChatGPT added o3-mini to its model stack

    Astra, GPT Image, GPT-4, GPT-4o, GPT-4o mini, GPT-5.2, GPT-5.2 Thinking, GPT-5.4, GPT-6, GPT-Live-1, gpt-5.6, gpt-6-astra, o1Astra, GPT Image, GPT-4, GPT-4o, GPT-4o mini, GPT-5.2, GPT-5.2 Thinking, GPT-5.4, GPT-6, GPT-Live-1, gpt-5.6, gpt-6-astra, o1, o3-mini

    source
  • capability

    New capabilities: Voice and audio, Data analysis, Custom GPTs

    88 tracked91 tracked · +Voice and audio, Data analysis, Custom GPTs

    source
  • version

    ChatGPT moved to GPT-6

    GPT-4oGPT-6

    source
  • version

    ChatGPT moved to GPT-4o

    GPT-6GPT-4o

    source
  • pricing

    Entry price increased to $20/mo

    $0$20

    source
  • model

    ChatGPT added GPT-4 to its model stack

    Astra, GPT Image, GPT-4o, GPT-4o mini, GPT-5.2, GPT-5.2 Thinking, GPT-5.4, GPT-6, GPT-Live-1, gpt-5.6, gpt-6-astra, o1Astra, GPT Image, GPT-4, GPT-4o, GPT-4o mini, GPT-5.2, GPT-5.2 Thinking, GPT-5.4, GPT-6, GPT-Live-1, gpt-5.6, gpt-6-astra, o1

    source
  • capability

    New capabilities: Tools, Audio & voice, Moderation

    85 tracked88 tracked · +Tools, Audio & voice, Moderation

    source
  • model

    ChatGPT added Astra to its model stack

    GPT Image, GPT-4o, GPT-4o mini, GPT-5.2, GPT-5.2 Thinking, GPT-5.4, GPT-6, GPT-Live-1, gpt-5.6, gpt-6-astra, o1Astra, GPT Image, GPT-4o, GPT-4o mini, GPT-5.2, GPT-5.2 Thinking, GPT-5.4, GPT-6, GPT-Live-1, gpt-5.6, gpt-6-astra, o1

    source
  • model

    ChatGPT added GPT-4o, GPT-4o mini, o1 to its model stack

    GPT Image, GPT-5.2, GPT-5.2 Thinking, GPT-5.4, GPT-6, GPT-Live-1, gpt-5.6, gpt-6-astraGPT Image, GPT-4o, GPT-4o mini, GPT-5.2, GPT-5.2 Thinking, GPT-5.4, GPT-6, GPT-Live-1, gpt-5.6, gpt-6-astra, o1

    source
  • capability

    New capabilities: audio & voice

    84 tracked85 tracked · +audio & voice

    source
  • version

    ChatGPT moved to GPT-6

    GPT-6 / GPT-6 AstraGPT-6

    source
  • version

    ChatGPT moved to GPT-6 / GPT-6 Astra

    GPT-6GPT-6 / GPT-6 Astra

    source
  • model

    ChatGPT added GPT-6 to its model stack

    GPT Image, GPT-5.2, GPT-5.2 Thinking, GPT-5.4, GPT-Live-1, gpt-5.6, gpt-6-astraGPT Image, GPT-5.2, GPT-5.2 Thinking, GPT-5.4, GPT-6, GPT-Live-1, gpt-5.6, gpt-6-astra

    source
  • capability

    New capabilities: vision fine-tuning, realtime API

    82 tracked84 tracked · +vision fine-tuning, realtime API

    source
  • version

    ChatGPT moved to GPT-6

    GPT-6 AstraGPT-6

    source
  • model

    ChatGPT added GPT-Live-1 to its model stack

    GPT Image, GPT-5.2, GPT-5.2 Thinking, GPT-5.4, gpt-5.6, gpt-6-astraGPT Image, GPT-5.2, GPT-5.2 Thinking, GPT-5.4, GPT-Live-1, gpt-5.6, gpt-6-astra

    source
  • capability

    New capabilities: computer use

    81 tracked82 tracked · +computer use

    source
  • capability

    New capabilities: voice

    80 tracked81 tracked · +voice

    source
  • capability

    New capabilities: voice agent

    79 tracked80 tracked · +voice agent

    source
  • capability

    New capabilities: conversational ai

    78 tracked79 tracked · +conversational ai

    source
  • capability

    New capabilities: file inputs, web search, mcp connections

    75 tracked78 tracked · +file inputs, web search, mcp connections

    source
  • version

    ChatGPT moved to GPT-6 Astra

    gpt-6-astraGPT-6 Astra

    source
  • capability

    New capabilities: Responses API, WebSocket mode, Multi-agent

    72 tracked75 tracked · +Responses API, WebSocket mode, Multi-agent

    source
  • version

    ChatGPT moved to gpt-6-astra

    GPT-6 Astragpt-6-astra

    source
  • capability

    New capabilities: Reasoning

    71 tracked72 tracked · +Reasoning

    source
  • capability

    New capabilities: reasoning, images and vision, video generation

    66 tracked71 tracked · +reasoning, images and vision, video generation, audio and speech, realtime api

    source
  • capability

    New capabilities: MCP connections

    65 tracked66 tracked · +MCP connections

    source
Subscribe to ChatGPT changes

ChatGPT compared

Straight head-to-head pages against the busiest products in Writing.

ChatGPT vs ERNIE BotChatGPT vs JasperChatGPT vs ClaudeChatGPT vs HunyuanChatGPT vs DeepSeekChatGPT vs Grok

How to cite this page

Free to cite and reuse under CC BY 4.0. Permalink: https://tomorrow.aliensquad.ai/tools/chatgpt

APA
Tomorrow. (2026). ChatGPT — version, pricing and model stack [Data set entry]. AlienSquad. Retrieved 2026-11-08, from https://tomorrow.aliensquad.ai/tools/chatgpt
BibTeX
@misc{tomorrow-tools-chatgpt,
  author       = {{Tomorrow}},
  title        = {ChatGPT — version, pricing and model stack},
  year         = {2026},
  publisher    = {AlienSquad},
  howpublished = {\url{https://tomorrow.aliensquad.ai/tools/chatgpt}},
  note         = {Accessed: 2026-11-08}
}