Week 45
Latest
JunieReleaseJunie Eco mode hands implementation to a lower-cost modelGitHub CopilotPlansGitHub Enterprise now includes Copilot for every licensed userSierraReleaseSierra launches Compliance Console for outbound agentsGitHub CopilotReleaseGitHub Copilot Fusion becomes generally availableGitHub CopilotReleaseGitHub Agentic Workflows become generally availableAmpPlatformAmp launches an Android appMicrosoft 365 CopilotReleaseLearning Agent and admin-deployed custom MCP connectors arrive in CopilotKiroPlansKiro replaces its upgrade discount with a free first month and 500 trial creditsGleanReleaseGlean release 565 adds agent import/export and an Azure Files connectorGoogle AntigravityReleaseAntigravity 2.28 adds a built-in browser and any-file attachmentsSynthesiaReleaseSynthesia launches a Localization API for dubbing videos at scaleRunwayReleaseRunway launches Runway Ads for generating and publishing ad variantsOpenCodeReleaseOpenCode 2.2 adds Desktop plugins and a refreshed desktop appOpenAI CodexReleaseGPT-6.1 Terra becomes available in Codex
Verified
ToolMarketCap
OpenAI CodexOpenAI · Coding agents
Entry price
Not yet verified
Free tier
Not yet verified
Logged activity · 90d
71/100

Terminal agent vs terminal agent

1Verified differences2Shared4Not yet verified
OpenCodeAnomaly Innovations · Coding agents
Entry price
$10/mo
Free tier
Yes
Logged activity · 90d
43/100

OpenAI Codex vs OpenCode

1Verified differences1Pricing differences · 2 not verified for both3OpenAI Codex · verified changes 30d1OpenCode · verified changes 30d
Entry priceOpenCode starts at $10/mo; no paid monthly price is verified for OpenAI Codex.
DeliveryShared delivery: Terminal agent.
Last 30 daysOpenAI Codex logged 3 verified changes, OpenCode 1 verified change.
Evidence3 of 7 compared facts are verified for both; 1 only for OpenAI Codex, 1 only for OpenCode, and 2 for neither.

At a glance

Verified values · no winner is picked
OpenAI Codex and OpenCode: price, free tier, licence, self-hosting, enterprise
DimensionOpenAI CodexOpenCode
Entry priceNot yet verified$10/mo
Free tierNot yet verifiedYes
Open sourceYesYes
Self-hostingNot yet verifiedNot yet verified
Enterprise (SSO + offering)Not yet verifiedNot yet verified
Switch from OpenAI CodexSwitch from OpenCodeAdd OpenAI Codex to a stackAdd OpenCode to a stack

Where they differ

1
Business model
OpenAI CodexIncluded with ChatGPT plans — Plus, Pro, Business, Edu, and Enterprise; or an API key
github.com
ObservedHigh confidenceVerified 2 Oct 2026
OpenAI Codex — official repository README

README: "We recommend signing into your ChatGPT account to use Codex as part of your Plus, Pro, Business, Edu, or Enterprise plan." "You can also use Codex with an API key".

https://github.com/openai/codex ↗
OpenCodeOpen source — free, with paid Go subscriptions and pay-as-you-go Zen model access
opencode.ai
ObservedHigh confidenceVerified 2 Oct 2026
OpenCode Go — official plan page

opencode.ai/go: Go "$10 per month", Go Plus "$40 per month"; opencode.ai/zen: "pay per request with zero markups".

https://opencode.ai/go ↗

Pricing face-off

USD list price · monthly billing
OpenAI CodexFree tier: not yet verified
No paid price verified yet
OpenCodeFree tier: Yes
Entry price · Go
$10/mo
Go$10/mo
Go Plus$40/mo
opencode.ai
ObservedHigh confidenceVerified 2 Oct 2026
OpenCode Go — official plan page
https://opencode.ai/go ↗

Where they match

2Toggle
Delivery
OpenAI CodexTerminal agent — plus IDE extensions, a desktop app, and Codex Web in the cloud
github.com
ObservedHigh confidenceVerified 2 Oct 2026
OpenAI Codex — official repository README

github.com/openai/codex README: "Codex CLI is a coding agent from OpenAI that runs locally on your computer." It points to the IDE install, the desktop app ("run codex app"), and "Codex Web" at chatgpt.com/codex.

https://github.com/openai/codex ↗
OpenCodeTerminal agent — plus a desktop app and an IDE extension
opencode.ai
ObservedHigh confidenceVerified 2 Oct 2026
OpenCode — official documentation

opencode.ai/docs: "OpenCode is an open source AI coding agent. It's available as a terminal-based interface, desktop app, or IDE extension."

https://opencode.ai/docs/ ↗
Platforms
OpenAI CodexmacOS, Windows, Linux
github.com
ObservedHigh confidenceVerified 2 Oct 2026
OpenAI Codex — official repository README

README: "Run the following on Mac or Linux to install Codex CLI" and "Run the following on Windows to install Codex CLI".

https://github.com/openai/codex ↗
OpenCodemacOS, Windows, Linux
github.com
ObservedHigh confidenceVerified 2 Oct 2026
OpenCode — official repository README

github.com/anomalyco/opencode README installs via curl, npm, Homebrew, and Scoop ("Windows"); the docs list terminal emulators for Linux and macOS and a Windows section.

https://github.com/anomalyco/opencode ↗

Not yet verified for one or both

4
Editor integrations
OpenAI CodexVS Code, Cursor, Windsurf — via the Codex IDE extension
github.com
ObservedHigh confidenceVerified 2 Oct 2026
OpenAI Codex — official repository README

README: "If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE."

https://github.com/openai/codex ↗
OpenCodeNot yet verified
Free tier
OpenAI CodexNot yet verified
OpenCodeYes — open source, with free models included
opencode.ai
ObservedHigh confidenceVerified 2 Oct 2026
OpenCode — official site

opencode.ai: "The open source AI coding agent. Free models included or connect any model from any provider".

https://opencode.ai ↗
Single sign-on
OpenAI CodexNot yet verified
OpenCodeNot yet verified
Enterprise
OpenAI CodexNot yet verified
OpenCodeNot yet verified

References

Links — shown, never counted as differences
Documentation
OpenAI Codexdevelopers.openai.com/codex
github.com
ObservedHigh confidenceVerified 2 Oct 2026
OpenAI Codex — official repository README

README links "Codex Documentation" to developers.openai.com/codex.

https://github.com/openai/codex ↗
OpenCodeopencode.ai/docs
opencode.ai
ObservedHigh confidenceVerified 2 Oct 2026
OpenCode — official documentation

OpenCode documentation, linked as Docs from opencode.ai.

https://opencode.ai/docs/ ↗
Changelog
OpenAI Codexgithub.com/openai/codex/releases
github.com
ObservedHigh confidenceVerified 2 Oct 2026
OpenAI Codex — GitHub releases

Codex release notes are published as GitHub releases of openai/codex.

https://github.com/openai/codex/releases ↗
OpenCodegithub.com/anomalyco/opencode/releases
github.com
ObservedHigh confidenceVerified 2 Oct 2026
OpenCode — GitHub releases

OpenCode release notes are published as GitHub releases of anomalyco/opencode.

https://github.com/anomalyco/opencode/releases ↗
Source repository
OpenAI Codexgithub.com/openai/codex
github.com
ObservedHigh confidenceVerified 31 Oct 2026
OpenAI Codex — official repository

OpenAI's public repository for the Codex CLI.

https://github.com/openai/codex ↗
OpenCodegithub.com/anomalyco/opencode
opencode.ai
ObservedHigh confidenceVerified 31 Oct 2026
OpenCode — official site

opencode.ai links its source at github.com/anomalyco/opencode.

https://opencode.ai ↗

Recent record

Each side’s own record · not a score
Recent record of OpenAI Codex and OpenCode, side by side
ReadingOpenAI CodexOpenCode
Verified changes3 in 30 days · 5 in 90 days · Coding agents median 0.51 in 30 days · 2 in 90 days · Coding agents median 0.5
Last verified change26 Oct 2026 · 11 days ago27 Oct 2026 · 10 days ago
Activity · 90 days71 · above the Coding agents median of 52.543 · below the Coding agents median of 52.5
Latest list-price moveNo verified priceNone observed
Pricing on recordNo verified price2 verified plans · verified monthly entry price $10
Comparable facts4 of 7 verified4 of 7 verified

OpenAI Codex · latest 3

  1. Release

    GPT-6.1 Terra becomes available in Codex

    GPT-6.1 Terra, a fast model with image understanding and computer use, becomes available in Codex and ChatGPT Work on Plus, Pro, Business, Enterprise and Edu plans.

    developers.openai.com
    ObservedHigh confidencePublished 26 Oct 2026
    OpenAI Codex — changelog
    https://developers.openai.com/codex/changelog ↗
  2. Availability

    GPT-5.5 retires from Codex for ChatGPT sign-ins

    GPT-5.5 is removed from Codex for users signed in with ChatGPT; API-key sessions and the OpenAI API are unaffected, and users are pointed to GPT-6.1 Sol.

    developers.openai.com
    ObservedHigh confidencePublished 14 Oct 2026
    OpenAI Codex — changelog
    https://developers.openai.com/codex/changelog ↗
  3. Release

    GPT-6.1 Sol Ultrafast arrives in Codex for Pro $500 and eligible Enterprise and Edu

    An Ultrafast mode speeds up GPT-6.1 Sol token generation in Codex, limited to the Pro $500 plan and eligible Enterprise and Edu plans (off by default for Enterprise).

    developers.openai.com
    ObservedHigh confidencePublished 8 Oct 2026
    OpenAI Codex — changelog
    https://developers.openai.com/codex/changelog ↗

OpenCode · latest 3

  1. Release

    OpenCode 2.2 adds Desktop plugins and a refreshed desktop app

    OpenCode 2.2.0 lets users create, install and share experimental Desktop plugins, refreshes the desktop app, and removes the OpenCode GitHub Action.

    github.com
    ObservedHigh confidencePublished 27 Oct 2026
    OpenCode — GitHub releases
    https://github.com/anomalyco/opencode/releases/tag/v2.2.0 ↗
  2. Release

    OpenCode 1.18.34 signs macOS CLI binaries with a Developer ID

    Sends namespaced session identity headers with model requests and signs macOS CLI release binaries so they run reliably on newer macOS versions.

    github.com
    ObservedHigh confidencePublished 30 Sept 2026
    OpenCode — GitHub releases
    https://github.com/anomalyco/opencode/releases/tag/v1.18.34 ↗
  3. Release

    OpenCode 1.0 ships with rewritten TUI

    OpenCode 1.0 replaced its Go/Bubbletea terminal UI with an in-house OpenTUI framework written in Zig and SolidJS.

    github.com
    ObservedHigh confidencePublished 31 Oct 2025
    OpenCode — GitHub releases
    https://github.com/anomalyco/opencode/releases/tag/v1.0.0 ↗

Keep comparing

Both in Coding agents
OpenAI CodexFull record →OpenCodeFull record →OpenAI Codex alternatives→OpenCode alternatives→OpenAI Codex pricingnot verifiedOpenCode pricing2 plans
Compared using 16 verified facts · oldest record verified 2 Oct 2026. Tools appear in URL order, alphabetically by identifier — it implies no ranking.