Aider vs Pieces
Aider uniquely has 6 features · Pieces uniquely has 3 features.
| Aider | Pieces | |
|---|---|---|
| Company | ||
| Founded | 2023 | 2021 |
| HQ | — | Cincinnati, Ohio, USA |
| AI model | Claude 3.7 Sonnet, DeepSeek R1, OpenAI o1/o3-mini/GPT-4o, and others | LTM-2 (Proprietary Long-Term Memory Engine) + multiple cloud/local LLM providers |
| User base | — | 150,000+ |
| Platforms | CLI (Linux, macOS, Windows) | Windows, macOS, Linux, Chrome Extension, VS Code, JetBrains, Obsidian, Neovim, Teams, Slack |
| Languages | 100+ programming languages including Python, JavaScript, Rust, Ruby, Go, C++, PHP, HTML, CSS | 25+ |
| Pricing | ||
| Pricing model | Usage-based | — |
| Free plan | Yes | Yes |
| Free trial | No | No - Free plan is permanent |
| Starting price | Free — Open Source | Free Plan |
| Refund policy | Not applicable — free and open source | — |
| All plans | Open Source / FreeFree usage | Pieces Pro$18.99/mo |
| Positioning | ||
| Best for | Developers who want AI pair programming in their local terminal via open-source tooling | Individual developers and engineering teams who want persistent, OS-level AI memory across all their tools |
| Differentiator | Fully free and open-source; users pay only for their chosen AI API (OpenAI, Anthropic, OpenRouter, etc.) with no platform subscription fee | OS-level long-term memory engine (LTM-2) that passively captures everything a developer works on across all apps, giving LLMs persistent personal context without manual effort |
| Competitors | GitHub Copilot, Cursor, Continue | GitHub Copilot, Cursor, Codeium, Continue.dev, Mem.ai, Rewind.ai |
| Features | ||
| Bring Your Own API Key | ✓ | — |
| Multi Model Support | ✓ | — |
| Open Source | ✓ | — |
| Terminal/Cli Based | ✓ | — |
| Cli Support | ✓ | ✓ |
| Code Completion | ✕ | ✓ |
| Code Generation | ✓ | ✓ |
| Code Review | ✓ | ✓ |
| Codebase Indexing | ✓ | ✓ |
| Debugging | ✓ | ✓ |
| Git Integration | ✓ | ✓ |
| IDE Plugins | ✓ | ✓ |
| Multi Language Support | ✓ | ✓ |
| Refactoring | ✓ | ✓ |
| Security Scanning | ✕ | — |
| Self Hosted Option | ✓ | ✓ |
| Team Features | ✕ | ✓ |
| Test Generation | ✓ | — |
| Integrations | ||
| API Access | ✓ | ✓ |
| Github Integration | ✓ | ✓ |
| Gitlab Integration | ✓ | — |
| Jetbrains Plugin | — | ✓ |
| Key Integrations | OpenAI API, Anthropic API, DeepSeek API, local LLMs, git, IDE/editor comment workflow, voice input | VS Code, JetBrains, Chrome, Neovim, Obsidian, Slack, Microsoft Teams, GitHub Copilot, Claude, Cursor, Goose |
| Vscode Extension | ✓ | ✓ |