- Entry price
- Not yet verified
- Free tier
- No
- Logged activity · 90d
- 17/100
Terminal agent vs terminal agent
- Entry price
- $10/mo
- Free tier
- Yes
- Logged activity · 90d
- 43/100
Gemini CLI vs OpenCode
At a glance
Verified values · no winner is picked| Dimension | Gemini CLI | OpenCode |
|---|---|---|
| Entry price | Not yet verified | $10/mo |
| Free tier | No | Yes |
| Open source | Yes | Yes |
| Self-hosting | Not yet verified | Not yet verified |
| Enterprise (SSO + offering) | Not yet verified | Not yet verified |
Where they differ
2developers.googleblog.com
developers.googleblog.com (May 19, 2026): "If your organization uses Gemini CLI or our IDE extensions via a Gemini Code Assist Standard or Enterprise license … your access remains unchanged." The README documents Gemini API key and Vertex AI authentication.
https://developers.googleblog.com/an-important-update-transitioning-gemini-cli-to-antigravity-cli/ ↗opencode.ai
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 ↗developers.googleblog.com
developers.googleblog.com (May 19, 2026): "On June 18, 2026, Gemini CLI and Gemini Code Assist IDE extensions will stop serving requests for Google AI Pro and Ultra, as well as those using it free of charge". The release notes banner confirms unpaid-tier users moved to Antigravity CLI.
https://developers.googleblog.com/an-important-update-transitioning-gemini-cli-to-antigravity-cli/ ↗opencode.ai
opencode.ai: "The open source AI coding agent. Free models included or connect any model from any provider".
https://opencode.ai ↗Pricing face-off
USD list price · monthly billingNot yet verified for one or both
4github.com
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 ↗geminicli.com
geminicli.com/plans, Vertex AI: "Enterprise security & compliance", "Google Cloud terms of service", "SLA and regional data residency".
https://geminicli.com/plans/ ↗References
Links — shown, never counted as differencesgeminicli.com
README: "Learn all about Gemini CLI in our documentation" (geminicli.com/docs).
https://geminicli.com/docs/ ↗opencode.ai
OpenCode documentation, linked as Docs from opencode.ai.
https://opencode.ai/docs/ ↗geminicli.com
Gemini CLI release notes, linked as Changelog from geminicli.com.
https://geminicli.com/docs/changelogs/ ↗github.com
OpenCode release notes are published as GitHub releases of anomalyco/opencode.
https://github.com/anomalyco/opencode/releases ↗github.com
Google's public repository for Gemini CLI.
https://github.com/google-gemini/gemini-cli ↗opencode.ai
opencode.ai links its source at github.com/anomalyco/opencode.
https://opencode.ai ↗Recent record
Each side’s own record · not a score| Reading | Gemini CLI | OpenCode |
|---|---|---|
| Verified changes | 0 in 30 days · 1 in 90 days · Coding agents median 0.5 | 1 in 30 days · 2 in 90 days · Coding agents median 0.5 |
| Last verified change | 23 Sept 2026 · 44 days ago | 27 Oct 2026 · 10 days ago |
| Activity · 90 days | 17 · below the Coding agents median of 52.5 | 43 · below the Coding agents median of 52.5 |
| Latest list-price move | No verified price | None observed |
| Pricing on record | No verified price | 2 verified plans · verified monthly entry price $10 |
| Comparable facts | 4 of 7 verified | 4 of 7 verified |
Gemini CLI · latest 3
- Release
Gemini CLI v0.61 hardens against indirect prompt injection
Core security hardening prevents indirect prompt injection via build file modifications and untrusted flags, and hardens filesystem boundaries.
github.com
ObservedHigh confidencePublished 23 Sept 2026Gemini CLI — GitHub releaseshttps://github.com/google-gemini/gemini-cli/releases/tag/v0.61.0 ↗ - Availability
Gemini CLI stops serving free and Google AI Pro/Ultra users
Gemini CLI and the Gemini Code Assist IDE extensions stop serving requests for Google AI Pro and Ultra and free-of-charge users; organizations on Code Assist Standard or Enterprise keep access.
developers.googleblog.com
ObservedHigh confidencePublished 18 Jun 2026Google for Developers blog — transitioning Gemini CLI to Antigravity CLIhttps://developers.googleblog.com/an-important-update-transitioning-gemini-cli-to-antigravity-cli/ ↗ - Availability
Google announces Gemini CLI transition to Antigravity CLI
Google said Gemini CLI and Code Assist IDE extensions would stop serving Google AI Pro, Ultra and free individual users on June 18, 2026; enterprise licenses unaffected.
developers.googleblog.com
ObservedHigh confidencePublished 19 May 2026Google Developers Bloghttps://developers.googleblog.com/an-important-update-transitioning-gemini-cli-to-antigravity-cli ↗
OpenCode · latest 3
- 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 2026OpenCode — GitHub releaseshttps://github.com/anomalyco/opencode/releases/tag/v2.2.0 ↗ - 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 2026OpenCode — GitHub releaseshttps://github.com/anomalyco/opencode/releases/tag/v1.18.34 ↗ - 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 2025OpenCode — GitHub releaseshttps://github.com/anomalyco/opencode/releases/tag/v1.0.0 ↗