What is the best free alternative to Claude Code?
OpenCode is the closest free alternative to Claude Code: same Terminal & CLI Agents sub-category, and it is free. Fully open-source terminal/IDE/desktop coding agent, MIT licensed
Best free Claude Code alternatives
Looking for a free alternative to Claude Code? Here are 9 terminal & cli agents worth trying — 9 with a free tier. Claude Code itself is paid.
| Tool | Claude Code (you searched) | OpenCode | Freebuff | Gemini CLI |
|---|---|---|---|---|
| Pricing | paid | free | freemium | free |
| Best for | Terminal-native agent, best on large codebases | Fully open-source terminal/IDE/desktop coding agent, MIT licensed | Terminal coding agent that needs no API key, subscription or card; funded by small text ads shown in the CLI | Open-source terminal agent from Google |
| Visit | Open ↗ | Open ↗ | Open ↗ | Open ↗ |
Claude Code alternatives — straight answers
Are there free Claude Code alternatives?
Yes — 9 of the 9 alternatives listed here are free or freemium: OpenCode, Freebuff, Gemini CLI, Aider, Cline. None of them are paid-only.
Is Claude Code free?
Claude Code is paid. That is why this page exists: the free and freemium options are listed first below.
How were these Claude Code alternatives chosen?
They are the other tools in Terminal & CLI Agents, then the rest of Code & Development, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.
All Claude Code alternatives
Browse Terminal & CLI Agents →OpenCode
Terminal & CLI Agents
✦ WhyA Claude Code alternative — Fully open-source terminal/IDE/desktop coding agent, MIT licensed.
- Fully open-source terminal/IDE/desktop coding agent, MIT licensed
- Bring-your-own model across 75+ providers, free models included
- Parallel agent sessions with shareable session links
✦ WhyA Claude Code alternative — Terminal coding agent that needs no API key, subscription or card; funded by small text ads shown in the CLI.
- Terminal coding agent that needs no API key, subscription or card; funded by small text ads shown in the CLI
- Daily allowance of 'Freebucks' spendable across several open models (DeepSeek V4.1 Flash, GLM 5.3 Flash, MiMo 2.6 and others)
- Built-in sub-agents for file picking, code review and browser use on the open Codebuff framework
- Freebuff Web builds and hosts full-stack apps at no charge
Gemini CLI
Terminal & CLI Agents
✦ WhyA Claude Code alternative — Open-source terminal agent from Google.
- Open-source terminal agent from Google
- Huge free daily model quota
- Built-in tools and MCP support
- Great value for everyday coding
Aider
Terminal & CLI Agents
✦ WhyA Claude Code alternative — Open-source AI pair programmer in your terminal.
- Open-source AI pair programmer in your terminal
- Git-aware commits and edits
- Works with any model (bring your key)
- Free to use
Cline
Terminal & CLI Agents
✦ WhyA Claude Code alternative — Open-source autonomous coding agent for VS Code.
- Open-source autonomous coding agent for VS Code
- Plan/Act modes with approvals
- Bring your own API key or model
- MCP tool support
Crush
Terminal & CLI Agents
✦ WhyA Claude Code alternative — Terminal coding agent from Charm with LSP-aware context.
- Terminal coding agent from Charm with LSP-aware context
- Cross-platform incl. Android/BSD, MCP server support over HTTP/stdio/SSE
- Agent Skills standard support for extensibility
Goose
Terminal & CLI Agents
✦ WhyA Claude Code alternative — Open-source agent (now under Agentic AI Foundation/Linux Foundation) usable as CLI, desktop app or API.
- Open-source agent (now under Agentic AI Foundation/Linux Foundation) usable as CLI, desktop app or API
- 70+ MCP extensions, 15+ LLM providers supported
- Apache-2.0 licensed, built in Rust
Qwen Code
Terminal & CLI Agents
✦ WhyA Claude Code alternative — Open-source terminal CLI adapted from Gemini CLI, tuned for Qwen3-Coder models.
- Open-source terminal CLI adapted from Gemini CLI, tuned for Qwen3-Coder models
- OpenAI-SDK compatible for flexible model backends
- Free npm install, agentic coding workflows
✦ WhyA Claude Code alternative — Open-source CLI agent for general software-engineering tasks.
- Open-source CLI agent for general software-engineering tasks
- Works with multiple LLM providers
- Trajectory recording and tool ecosystem
- Powers the agent behind ByteDance Trae