OpenCode vs Aider

Side by side, as alternatives to Claude Code. Rows that differ are highlighted; the strongest value in a row is marked. Unknown means no source yet.

Also replaces Claude Code: + OpenAI Codex CLI + Gemini CLI + Zed + OpenHands + Cline + goose

OpenCodeanomalyco/opencode

AiderAider-AI/aider

Claude Codepaid product

Cost and coverage

Price

$0 software; you run it

Included with Claude Pro ($20/month, or $17/month billed annually), Max (from $100/month), Team and Enterprise; not on the free plan source ↗

Edit code across a repo from the terminal with an AI agent

Partly

Yes

Run commands and tests

Partly

Yes

Use the agent inside VS Code or JetBrains

Partly

Yes

Connect tools and data through MCP

Partly

Yes

Write commits and pull requests

Partly

Yes

Run the agent headless in scripts or CI (GitHub Actions)

Partly

Yes

Jobs covered

5 of 6 jobs

4 of 6 jobs

All 6

Popularity and activity (from GitHub)

Stars

219,699Top

49,688

—

Gain this week

Unknown

—

Signal

Building history

—

Commits / 4 wk

986Top

—

Latest release

v1.19.3 · 2026-10-16Top

v0.86.0 · 2025-08-09

—

Commits / 12 wk

2,164

—

People committing / 12 mo

420+

12+

—

Issues opened / closed, 30 days

3742 / 4694

107 / 75

—

Facts, with sources on each project page

Runs on my machine?Differs

Yes, CLI and desktop app

Yes, a command-line tool that runs in your project folder on your computer

Hosted by the vendor

Code licenceDiffers

MIT

Apache-2.0

—

Model weights licenceDiffers

No single bundled model licence. OpenCode connects to models/providers; their individual terms apply.

No separate model weights

—

Commercial useDiffers

Yes, MIT code

Allowed under Apache-2.0

—

Paid services needed?Differs

Needs a model provider: local models via Ollama, LM Studio or llama.cpp, or a paid API

Not required with local models (Ollama, LM Studio); cloud model APIs (Anthropic, OpenAI, DeepSeek and others) are optional

Subscription

HardwareDiffers

No hardware requirements documented in the README or docs (checked 2026-10-21)

Not documented; the installer only needs Python

—

Operating systemsDiffers

Windows, macOS and Linux; on Windows the docs recommend WSL for the CLI, and there is a Windows desktop app

Windows, macOS and Linux, with one-line installers for each

—

Setup effortDiffers

Easy; one-line install script, npm, Homebrew, Chocolatey or Scoop, then add a model provider

Easy; one-line installer (or pip/uv/pipx), then add an API key or point it at a local model

—

Stars over time

Switch to Growth % to compare projects of different sizes fairly.

OpenCode
Aider

Focus a point, use arrow keys, or tap for its value.

Tracked daily since 19 Oct 2026. Dashed history: estimated from public records of when people starred the repo. Lines connect observations only; gaps contain no measured points.

Growth % starts at each project's first observed point in the shown range. Zero-star starts are unavailable.

Notes for a video or post

A plain summary with today's date and a link to the sources. Check each project page before you publish.

OpenCode vs Aider (as alternatives to Claude Code)
Figures from RepoQuarry, 22 Oct 2026. Sources: https://repoquarry.dev/compare?ids=opencode,aider&product=claude-code

Claude Code: Included with Claude Pro ($20/month, or $17/month billed annually), Max (from $100/month), Team and Enterprise; not on the free plan
OpenCode: free software; does 5 of 6 Claude Code jobs
Aider: free software; does 4 of 6 Claude Code jobs

- OpenCode: 219,699 GitHub stars, 2,164 commits in 12 weeks, licence MIT
- Aider: 49,688 GitHub stars, 0 commits in 12 weeks, licence Apache-2.0

Where they differ:
- Runs on my machine?: OpenCode Yes, CLI and desktop app; Aider Yes, a command-line tool that runs in your project folder on your computer
- Code licence: OpenCode MIT; Aider Apache-2.0
- Model weights licence: OpenCode No single bundled model licence. OpenCode connects to models/providers; their individual terms apply.; Aider No separate model weights
- Commercial use: OpenCode Yes, MIT code; Aider Allowed under Apache-2.0
- Paid services needed?: OpenCode Needs a model provider: local models via Ollama, LM Studio or llama.cpp, or a paid API; Aider Not required with local models (Ollama, LM Studio); cloud model APIs (Anthropic, OpenAI, DeepSeek and others) are optional
- Hardware: OpenCode No hardware requirements documented in the README or docs (checked 2026-10-21); Aider Not documented; the installer only needs Python
- Operating systems: OpenCode Windows, macOS and Linux; on Windows the docs recommend WSL for the CLI, and there is a Windows desktop app; Aider Windows, macOS and Linux, with one-line installers for each
- Setup effort: OpenCode Easy; one-line install script, npm, Homebrew, Chocolatey or Scoop, then add a model provider; Aider Easy; one-line installer (or pip/uv/pipx), then add an API key or point it at a local model

Stars show popularity, not quality. Check each project page before publishing.

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Numbers: GitHub, fetched nightly. Facts: read from each project's own documentation, with the source on its page. How we check. anomalyco/opencode ↗Aider-AI/aider ↗

OpenCode vs Aider

Stars over time

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