OpenCode vs Gemini CLI: 2026 comparison

OpenCode and Gemini CLI in brief

OpenCode and Gemini CLI both act inside software projects: they can explore files, modify code and execute commands. Their shared purpose is practical development assistance, but their documented scope differs. OpenCode lists several model families and three interface types. Gemini CLI focuses on Gemini through the command line. Human validation is recorded for Gemini CLI and unspecified for OpenCode. The relevant choice is therefore about the flexibility your workflow needs and the oversight documented for actions within your project.

OpenCode : An open source coding agent that reads and edits project files and runs commands to perform software development tasks.

Gemini CLI : A terminal agent using Gemini and tools to explore projects, edit source files, and execute development commands.

They are often weighed against each other by people who hesitate. This page lines up their features point by point (11 criteria), with no partnership with either publisher.

Comparison table

Criterion by criterion

For each criterion: why it matters, each one's value and who has the edge. A criterion without data on both sides is not decided.

Popularity (GitHub stars)

Stars measure developer interest; a widely followed project has more tutorials, integrations and answers. OpenCode : 221K. Gemini CLI : 107.8K. Edge: OpenCode.

Activity over a year

Commits over 52 weeks show whether the project moves fast, fixes bugs and keeps up with new models. OpenCode : 14,702 commits. Gemini CLI : 3,489 commits. Edge: OpenCode.

Releases (6 months)

Regular releases signal a project that ships; very frequent releases can also mean frequent updates on your side. OpenCode : 30. Gemini CLI : 3. Edge: OpenCode.

Last commit

A repository with no commit for months may fall behind new APIs and security fixes. OpenCode : October 24, 2026. Gemini CLI : October 23, 2026. Edge: OpenCode.

License

A clear open-source license (MIT, Apache…) allows commercial use and modification; without one, usage rights are unclear. OpenCode : MIT. Gemini CLI : Apache-2.0. A tie on this point.

Self-hosting

Running the agent on your machine or server keeps your files and keys with you. OpenCode : yes. Gemini CLI : yes. A tie on this point.

Supported models

An agent that accepts several model families lets you pick the best value, or a local model. OpenCode : 6. Gemini CLI : 1. Edge: OpenCode.

Interfaces

Terminal, code editor, web app or chat: more interfaces mean more ways to fit it into your work. OpenCode : 3. Gemini CLI : 1. Edge: OpenCode.

Risk level

Our risk level considers the access granted (terminal, files, network) and default human approval. OpenCode : high. Gemini CLI : moderate. Edge: Gemini CLI.

Community (forks)

Forks count developers who copied the project to adapt it: a sign of a living ecosystem. OpenCode : 29.5K. Gemini CLI : 14.8K. Edge: OpenCode.

Track record

An older project has had time to fix early flaws; a recent one often brings the latest ideas. OpenCode : April 2025. Gemini CLI : April 2025. Edge: Gemini CLI.

In charts

Our analysis

Published by Anomaly, OpenCode offers flexibility in both models and working interfaces. Its record lists command line, IDE and desktop access, alongside several model families. Google's Gemini CLI has a more concentrated scope: Gemini and a command line interface. Both projects are written in TypeScript and described as open source. Their stated development functions overlap, but the supplied information contains no execution results that would establish a performance difference. If you already do most of your work in a terminal, interface variety may matter less than your model requirements and the level of documented human oversight.

OpenCode has 221008 GitHub stars and 29547 forks, compared with Gemini CLI's 107807 stars and 14791 forks. The records list 14702 commits over twelve months for OpenCode and 3489 for Gemini CLI. Their release counts over six months are 30 and 3 respectively. OpenCode's latest commit is dated October 24, 2026, while Gemini CLI's is dated October 23. These figures describe popularity and repository activity without measuring the reliability of code changes. Scores of 95 and 88 out of 100 concern popularity, activity and framework. Neither dataset provides pricing for assessing the budget your intended usage would require.

OpenCode carries an MIT license, while Gemini CLI uses Apache-2.0. Both projects are listed as self-hostable and have shell, file and network access. OpenCode includes local models among its options; Gemini CLI lists Gemini only. Those facts do not fully describe data handling in either deployment. Human validation is documented for Gemini CLI and unspecified for OpenCode. The recorded risk levels are medium for Gemini CLI and high for OpenCode. These categories highlight differences in the supplied framework, but they do not guarantee confidentiality or security, nor explain the permissions applied in a particular installation.

For everyday integration, OpenCode gives you terminal, IDE and desktop options while allowing you to vary the models used. That breadth is relevant if your work extends beyond Gemini or beyond the command line. Gemini CLI suits a workflow centered on Gemini in the terminal, with human validation explicitly recorded. The supplied information does not specify which actions require that validation. It also provides no task success results, resource consumption figures or comparative performance measurements. You can assess how closely the listed interfaces match your working environment, but you cannot establish a general operational advantage for either agent from these records.

Depending on your situation

The right choice depends on use. For a few common situations, here are the criteria that matter and who wins (OpenCode value / Gemini CLI value).

Trying it out quickly

Here, OpenCode has the edge: it wins 3 of the 3 criteria that matter in this situation, namely interfaces (3 / 1), supported models (6 / 1), and popularity (github stars) (221K / 107.8K).

Production use

Here, OpenCode has the edge: it wins 3 of the 4 criteria that matter in this situation, namely activity over a year (14,702 commits / 3,489 commits), last commit (October 24, 2026 / October 23, 2026), license (MIT / Apache-2.0), and releases (6 months) (30 / 3).

Security and control

Here, Gemini CLI has the edge: it wins 1 of the 2 criteria that matter in this situation, namely risk level (high / moderate) and self-hosting (yes / yes).

Which one to choose?

Choose OpenCode if…

• you value popularity (github stars) (221K)
• you value activity over a year (14,702 commits)
• you value releases (6 months) (30)
• you value last commit (October 24, 2026)
• you value supported models (6)

OpenCode is a logical fit if you need several model families, including local models, and want to move between terminal, IDE and desktop interfaces. Its MIT license gives you an explicit reference for considering adaptations. You should still clarify human validation before assigning sensitive operations, because the supplied record does not explain whether or how that oversight is provided.

Choose Gemini CLI if…

• you value risk level (moderate)
• you value track record (April 2025)

Gemini CLI makes sense if you want to work with Gemini through the command line and documented human validation matters to your process. Its Apache-2.0 license and self-hosting capability are explicitly recorded. You would still need to check the scope of approval requirements and the actual costs, since neither is detailed in the supplied information for your intended use.

Strengths and limits of each

OpenCode

• + Widely followed: 221K stars
• + Very active development
• + Frequent releases (30 in a year)
• − Broad access without default approval
• − 2,506 open issues

Gemini CLI

• + Widely followed: 107.8K stars
• + Very active development
• + Can run on your side: data under control
• − Tied to a single model provider (Gemini (Google))

The best test is still yours: take three real tasks from your day and give them to both for a week. Our “Which AI agent?” quiz can also guide you.

What about the others?

If neither suits you, look at Cline, OpenHands, Codex, Open Interpreter, Qwen Code, and Kilo Code.

Related comparisons:

• Claude Code vs Gemini CLI
• Codex vs Gemini CLI
• OpenCode vs Claude Code
• OpenCode vs Codex

Conclusion

OpenCode addresses a need for model choice and interface variety. Gemini CLI fits Gemini-centered terminal work with human validation documented. Both have explicit licenses and are listed as self-hostable. Choose according to your working environment and the oversight you require for project actions. Repository indicators offer context about popularity and activity, but they cannot establish the quality of completed tasks or the budget required to use either agent.