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Codex

OpenAI · #11 most active of 25 in Coding

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A software engineering agent that runs tasks in parallel sandboxes and opens pull requests.

50

Trust score · Mixed

2 data points checked · 2026-11-03

Model stack: DisputedEntry price: UnverifiableVersion: DisputedHow this works →

Current version

Codex

Entry cost

from $20/mo

Changes / 30d

2

The short answers · verified November 2, 2026

What is the latest version of Codex?
The current shipped version of Codex is Codex, as of November 2, 2026.
How much does Codex cost?
Codex starts at $20 per month on its cheapest paid tier, as of November 2, 2026.
What AI model does Codex use?
Codex runs primarily on 5.6 Sol.

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

Capabilities

  • Codex CLI
  • Codex IDE extension
  • Codex cloud
  • Codex Micro
  • Code review
  • Security workbench
  • Code generation
  • Codex Security
  • Integrated terminal
  • Local environments
  • Cloud environment
  • Codex SDK
  • Codex Security plugin
  • MCP Server
  • GitHub Action
  • Computer use
  • Voice Plugins
  • Web search
  • Image generation
  • Image inputs
  • Appshots
  • Chrome extension
  • Voice
  • Plugins
  • Code interpreter
  • CLI customization
  • IDE extension
  • ChatGPT Voice
  • Security scan
  • CLI
  • Cloud
  • code generation
  • code review
  • cli
  • ide extension
  • agent
  • computer use
  • cloud environment
  • cloud
  • Browser
  • Git support
  • Computer History
  • Browser extension
  • GitLab integration
  • Scheduled tasks
  • Browser use
  • Git integration
  • MCP connections
  • Agent workflows
  • Sandboxing
  • Security review
  • Security scans
  • Local shell
  • GitHub integration
  • GitLab CI/CD Reference
  • TypeScript SDK
  • Codex Cloud
  • cloud environments
  • Workspace Agents
  • Commerce
  • Ads
  • App Server
  • Codex Security CLI
  • Cloud environments
  • mcp server
  • Security scanning
  • Security plugin
  • Code Interpreter
  • Agent builder
  • Code completion

Pricing

  • Plus

    $20

  • Pro

    $200

  • Business

    $25

  • API

    usage-based

    Free

Entry price over time

7/29/2026 · $2011/2/2026 · $20

Geek mode

Models under the hood

  • 5.6 Sol

    OpenAI

    disclosed

  • Codex

    OpenAI

    inferred

  • GPT-4

    OpenAI

    inferred

  • GPT-5.2

    OpenAI

    disclosed

  • GPT-5.2-Codex

    OpenAI

    disclosed

  • GPT-5.4

    OpenAI

    inferred

  • GPT-5.5

    OpenAI

    inferred

  • GPT-5.6

    OpenAI

    disclosed

  • GPT-5.6 Luna

    OpenAI

    disclosed

  • GPT-5.6 Sol

    OpenAI

    disclosed

  • GPT-5.6 Terra

    OpenAI

    disclosed

  • GPT-6

    OpenAI

    inferred

  • GPT-6 Astra

    OpenAI

    disclosed

  • GPT-6 Luna

    OpenAI

    disclosed

  • GPT-6 Sol

    OpenAI

    disclosed

  • GPT-Live

    OpenAI

    disclosed

  • GPT-Live-1

    OpenAI

    inferred

  • gpt-oss

    OpenAI

    inferred

Context window

400K tokens

Public API

yes

Multi-model routing

yes

Stack signals

  • Rust CLI
  • Container sandbox
  • MCP

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.

No public usage figure on record for this product.

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Change history

  • model

    Codex added GPT-Live-1 to its model stack

    5.6 Sol, Codex, GPT-4, GPT-5.2, GPT-5.2-Codex, GPT-5.4, GPT-5.5, GPT-5.6, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-6, GPT-6 Astra, GPT-6 Luna, GPT-6 Sol, GPT-Live, gpt-oss5.6 Sol, Codex, GPT-4, GPT-5.2, GPT-5.2-Codex, GPT-5.4, GPT-5.5, GPT-5.6, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-6, GPT-6 Astra, GPT-6 Luna, GPT-6 Sol, GPT-Live, GPT-Live-1, gpt-oss

    source
  • capability

    New capabilities: Code completion

    69 tracked70 tracked · +Code completion

    source
  • capability

    New capabilities: Code Interpreter, Agent builder

    67 tracked69 tracked · +Code Interpreter, Agent builder

    source
  • model

    Codex added GPT-6 to its model stack

    5.6 Sol, Codex, GPT-4, GPT-5.2, GPT-5.2-Codex, GPT-5.4, GPT-5.5, GPT-5.6, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-6 Astra, GPT-6 Luna, GPT-6 Sol, GPT-Live, gpt-oss5.6 Sol, Codex, GPT-4, GPT-5.2, GPT-5.2-Codex, GPT-5.4, GPT-5.5, GPT-5.6, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-6, GPT-6 Astra, GPT-6 Luna, GPT-6 Sol, GPT-Live, gpt-oss

    source
  • capability

    New capabilities: Security plugin

    66 tracked67 tracked · +Security plugin

    source
  • capability

    New capabilities: Security scanning

    65 tracked66 tracked · +Security scanning

    source
  • capability

    New capabilities: mcp server

    64 tracked65 tracked · +mcp server

    source
  • capability

    New capabilities: Cloud environments

    63 tracked64 tracked · +Cloud environments

    source
  • capability

    New capabilities: Codex Security CLI

    62 tracked63 tracked · +Codex Security CLI

    source
  • capability

    New capabilities: App Server

    61 tracked62 tracked · +App Server

    source
  • capability

    New capabilities: Workspace Agents, Commerce, Ads

    58 tracked61 tracked · +Workspace Agents, Commerce, Ads

    source
  • model

    Codex added Codex to its model stack

    5.6 Sol, GPT-4, GPT-5.2, GPT-5.2-Codex, GPT-5.4, GPT-5.5, GPT-5.6, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-6 Astra, GPT-6 Luna, GPT-6 Sol, GPT-Live, gpt-oss5.6 Sol, Codex, GPT-4, GPT-5.2, GPT-5.2-Codex, GPT-5.4, GPT-5.5, GPT-5.6, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-6 Astra, GPT-6 Luna, GPT-6 Sol, GPT-Live, gpt-oss

    source
  • capability

    New capabilities: cloud environments

    57 tracked58 tracked · +cloud environments

    source
  • capability

    New capabilities: Codex Cloud

    56 tracked57 tracked · +Codex Cloud

    source
  • capability

    New capabilities: GitLab CI/CD Reference, TypeScript SDK

    54 tracked56 tracked · +GitLab CI/CD Reference, TypeScript SDK

    source
  • capability

    New capabilities: GitHub integration

    53 tracked54 tracked · +GitHub integration

    source
  • model

    Codex added GPT-6 Luna, GPT-6 Sol to its model stack

    5.6 Sol, GPT-4, GPT-5.2, GPT-5.2-Codex, GPT-5.4, GPT-5.5, GPT-5.6, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-6 Astra, GPT-Live, gpt-oss5.6 Sol, GPT-4, GPT-5.2, GPT-5.2-Codex, GPT-5.4, GPT-5.5, GPT-5.6, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-6 Astra, GPT-6 Luna, GPT-6 Sol, GPT-Live, gpt-oss

    source
  • capability

    New capabilities: Local shell

    52 tracked53 tracked · +Local shell

    source
  • capability

    New capabilities: Security scans

    51 tracked52 tracked · +Security scans

    source
  • model

    Codex added GPT-5.5 to its model stack

    5.6 Sol, GPT-4, GPT-5.2, GPT-5.2-Codex, GPT-5.4, GPT-5.6, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-6 Astra, GPT-Live, gpt-oss5.6 Sol, GPT-4, GPT-5.2, GPT-5.2-Codex, GPT-5.4, GPT-5.5, GPT-5.6, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-6 Astra, GPT-Live, gpt-oss

    source
  • capability

    New capabilities: Security review

    50 tracked51 tracked · +Security review

    source
  • version

    Codex moved to Codex

    GPT-6 AstraCodex

    source
  • capability

    New capabilities: Sandboxing

    49 tracked50 tracked · +Sandboxing

    source
  • capability

    New capabilities: Agent workflows

    48 tracked49 tracked · +Agent workflows

    source
  • version

    Codex moved to GPT-6 Astra

    CodexGPT-6 Astra

    source
  • version

    Codex moved to Codex

    0.154.0Codex

    source
  • version

    Codex moved to 0.154.0

    GPT-6 Astra0.154.0

    source
  • capability

    New capabilities: MCP connections

    47 tracked48 tracked · +MCP connections

    source
  • version

    Codex moved to GPT-6 Astra

    0.153.4GPT-6 Astra

    source
  • version

    Codex moved to 0.153.4

    GPT-6 Astra0.153.4

    source
  • capability

    New capabilities: Git integration

    46 tracked47 tracked · +Git integration

    source
  • version

    Codex moved to 5.6

    Codex5.6

    source
  • version

    Codex moved to Codex

    5.6Codex

    source
  • model

    Codex added GPT-4 to its model stack

    5.6 Sol, GPT-5.2, GPT-5.2-Codex, GPT-5.4, GPT-5.6, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-Live, gpt-oss5.6 Sol, GPT-4, GPT-5.2, GPT-5.2-Codex, GPT-5.4, GPT-5.6, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-Live, gpt-oss

    source
  • capability

    New capabilities: Browser use

    45 tracked46 tracked · +Browser use

    source
  • version

    Codex moved to GPT-6 Astra

    5.6GPT-6 Astra

    source
  • model

    Codex added GPT-6 Astra to its model stack

    5.6 Sol, GPT-4, GPT-5.2, GPT-5.2-Codex, GPT-5.4, GPT-5.6, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-Live, gpt-oss5.6 Sol, GPT-4, GPT-5.2, GPT-5.2-Codex, GPT-5.4, GPT-5.6, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-6 Astra, GPT-Live, gpt-oss

    source
  • capability

    New capabilities: GitLab integration, Scheduled tasks

    43 tracked45 tracked · +GitLab integration, Scheduled tasks

    source
  • capability

    New capabilities: Browser extension

    42 tracked43 tracked · +Browser extension

    source
  • version

    Codex moved to 5.6

    5.6 Sol5.6

    source
Subscribe to Codex changes

Codex compared

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

Codex vs WindsurfCodex vs LovableCodex vs Claude CodeCodex vs Gemini Code AssistCodex vs DevinCodex vs GitHub Copilot

How to cite this page

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

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