A comprehensive comparison of the leading AI coding tools as of 2026-06-12.
| Feature | Claude Code | Cursor | Copilot | Windsurf | Codex CLI | Aider |
|---|---|---|---|---|---|---|
| Interface | CLI | IDE | Extension | IDE | CLI | CLI |
| Multi-file edit | Yes | Yes | Yes | Yes | Yes | Yes |
| Agent mode | Native | Agent | Workspace | Cascade | Native | Native |
| Background agents | Yes | No | No | No | No | No |
| MCP support | Native | Native | Yes | Native | Native | Via plugins |
| Local models | No | Yes | No | Yes | No | Yes |
| Git integration | Native | VS Code | VS Code | VS Code | Native | Native |
| Context files | CLAUDE.md | .cursor/rules/ | .github/copilot-instructions.md | .windsurfrules | AGENTS.md | .aider* |
| Open source | No | No | No | No | Partial | Yes |
| Tool | Default Model | Other Models | Bring Your Own Key |
|---|---|---|---|
| Claude Code | Claude Sonnet/Opus | Claude family only | Anthropic API key |
| Cursor | Claude, OpenAI | Gemini, others | Yes (any provider) |
| Copilot | OpenAI, Claude | Growing lineup | No |
| Windsurf | Multiple | Claude, OpenAI, SWE-1.6 | Yes |
| Codex CLI | OpenAI flagship | OpenAI models only | OpenAI API key |
| Aider | Any | Any (via litellm) | Yes (any provider) |
| Tool | Free Tier | Paid |
|---|---|---|
| Claude Code | None (requires Pro+) | Included with Claude subscription (Pro $20 / Max $100–$200) or API usage-based |
| Cursor | Hobby (Free) | Pro $20 / Pro+ $60 / Ultra $200 / Teams $40/seat / Enterprise (custom) |
| Copilot | Free (2,000 completions/mo) | Pro $10 / Pro+ $39 / Max $100 / Business $19/seat / Enterprise $39/seat |
| Windsurf | Free | Pro $20 / Max $200 / Teams $40/user + $80 base / Enterprise (custom) |
| Codex CLI | API costs | OpenAI API pricing |
| Aider | Free (OSS) | Model API costs only |
| Tool | Effective Context |
|---|---|
| Claude Code | Full project (via file reading + caching) |
| Cursor | Open files + indexed codebase |
| Copilot | Open files + workspace index |
| Windsurf | Cascade context management |
| Aider | Git repo map + selected files |
Codex CLI gained native MCP support (STDIO + streamable HTTP servers, configured via ~/.codex/config.toml or codex mcp), verified 2026-06-12 against OpenAI's Codex docs.