# Aider vs Claude Code

**Leader by Vioscale score:** Claude Code

| Attribute | Aider | Claude Code |
|---|---|---|
| **Vioscale score** | 52 (65% (medium)) | 57.5 (54% (medium)) |
| activity.commits_last_30d | 0 | - |
| adoption.dependent_repos | 1 | - |
| adoption.github_stars | 48,509 | - |
| adoption.package_downloads_weekly | 166,611 | - |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | Aider is a command-line assistant that pairs developers with AI models for collaborative coding. It maps your entire codebase for context, automatically commits changes via git, supports 100+ programming languages, and integrates with popular LLMs and IDEs. | Claude Code is an AI coding assistant integrated into Claude that helps developers write, edit, and generate code across multiple interfaces and platforms. |
| features.capabilities | `{"form":"cli_agent","autonomy":"agentic","languages":"100+ languages including Python, JavaScript, Rust, Ruby, Go, C++, PHP, HTML, CSS","oss_client":"oss","model_source":"model_agnostic","pricing_model":"free","runs_commands":true,"self_hostable":true,"editor_support":"IDE integration via comments, web chat interface","codebase_context":"repo_wide","multi_file_edits":true,"architecture_model":"cli_tool_aider","enterprise_controls":false,"zero_data_retention":true,"rag_on_external_documentation_urls":true,"bring_your_own_key_byok_api_support":true,"mit_or_apache_permissive_oss_license":true,"local_llm_support_via_ollama_or_lmstudio":true,"multi_file_diff_generation_and_automated_apply":true,"workspace_indexing_and_semantic_codebase_search":true,"terminal_bash_execution_and_self_correction_loops":true}` | `{"form":"autonomous_agent","autonomy":"autonomous","oss_client":"closed","model_source":"single_vendor","pricing_model":"per_seat","runs_commands":true,"self_hostable":false,"editor_support":"terminal, IDE, browser, desktop extensions"}` |
| integrations.count | 26 | 6 |
| integrations.list | `[{"name":"Claude"},{"name":"DeepSeek"},{"name":"OpenAI"},{"name":"Gemini"},{"name":"GROQ"},{"name":"LM Studio"},{"name":"xAI"},{"name":"Azure"},{"name":"Cohere"},{"name":"Ollama"},{"name":"OpenRouter"},{"name":"GitHub Copilot"},{"name":"Vertex AI"},{"name":"Amazon Bedrock"},{"name":"Claude 3.7 Sonnet"},{"name":"Claude Opus"},{"name":"Claude Sonnet"},{"name":"DeepSeek R1"},{"name":"DeepSeek Chat V3"},{"name":"DeepSeek V3"},{"name":"GPT-4o"},{"name":"GPT-4.1"},{"name":"o1"},{"name":"o3-mini"},{"name":"o3-pro"},{"name":"GPT-5"},{"name":"Grok-4"},{"name":"Command R"},{"name":"Fireworks AI"},{"name":"VS Code"},{"name":"vim"},{"name":"neovim"},{"name":"Emacs"}]` | `[{"name":"Slack"},{"name":"Google Workspace"},{"name":"Microsoft 365"},{"name":"Remote MCP"},{"name":"Connectors"},{"name":"External APIs"}]` |
| language.primary | Python | - |
| license.spdx | Apache-2.0 | - |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"ios":true,"web":true,"android":true}` |
| pricing | `{"type":"open_source","summary":"Completely free and open source","freeTier":true,"sourceUrl":"https://aider.chat","retrievedAt":"2026-08-14T13:41:57.320Z"}` | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"$0","features":["Chat on web, iOS, Android, and desktop","Generate code and visualize data","Write, edit, and create content","Ability to search the web","Memory across conversations","Create files and execute code","Unlock more from Claude with desktop extensions","Connect Slack and Google Workspace services","Integrate any context or tool through connectors with remote MCP","Extended thinking for complex work"],"components":[{"kind":"fixed","amount":0,"currency":"USD"}],"description":"Free for everyone","contactSales":false},{"free":false,"name":"Pro","summary":"$17/month (annual, $200 billed upfront) or $20/month (monthly)","features":["More usage","Includes Claude Code","Includes Claude Cowork","Includes Claude Design","Includes Claude Science","Access to unlimited projects to organize chats and documents","Access to Research","Ability to use more Claude models","Claude for Microsoft 365"],"commitment":"annual","components":[{"kind":"fixed","amount":17,"period":"month","currency":"USD"},{"kind":"fixed","amount":20,"period":"month","currency":"USD"}],"description":"For everyday productivity","contactSales":false},{"free":false,"name":"Max","summary":"From $100/month (billed monthly)","features":["Choose 5x or 20x more usage than Pro","Higher output limits for all tasks","Early access to advanced Claude features","Priority access at high traffic times"],"commitment":"monthly","components":[{"kind":"fixed","amount":100,"period":"month","currency":"USD"}],"description":"5–20x more usage than Pro","contactSales":false}],"summary":"Free tier available. Pro from $17/month (annual) or $20/month (monthly). Max from $100/month (monthly).","currency":"USD","freeTier":true,"sourceUrl":"https://claude.ai/code","retrievedAt":"2026-08-05T14:07:01.276Z","startingPrice":{"amount":17,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | mid |
| pricing.transparent | yes | yes |
| release.cadence_days | 9 | - |
| release.history | `[{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.86.0","date":"2025-08-09T17:42:19Z","type":"stable","version":"v0.86.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.85.0","date":"2025-06-27T23:47:09Z","type":"stable","version":"v0.85.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.84.0","date":"2025-05-30T23:28:11Z","type":"stable","version":"v0.84.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.83.0","date":"2025-05-09T22:46:05Z","type":"stable","version":"v0.83.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.82.0","date":"2025-04-14T23:29:05Z","type":"stable","version":"v0.82.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.81.0","date":"2025-04-04T09:06:20Z","type":"stable","version":"v0.81.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.80.0","date":"2025-03-31T01:21:50Z","type":"stable","version":"v0.80.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.79.0","date":"2025-03-25T21:16:38Z","type":"stable","version":"v0.79.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.78.0","date":"2025-03-21T18:59:35Z","type":"stable","version":"v0.78.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.77.0","date":"2025-03-13T21:46:58Z","type":"stable","version":"v0.77.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.76.0","date":"2025-03-10T16:00:08Z","type":"stable","version":"v0.76.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.75.0","date":"2025-03-04T20:41:19Z","type":"stable","version":"v0.75.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.74.0","date":"2025-02-06T22:43:06Z","type":"stable","version":"v0.74.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.73.0","date":"2025-01-31T22:02:06Z","type":"stable","version":"v0.73.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.72.0","date":"2025-01-20T22:26:59Z","type":"stable","version":"v0.72.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.71.0","date":"2025-01-10T23:02:26Z","type":"stable","version":"v0.71.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.70.0","date":"2024-12-26T23:22:53Z","type":"stable","version":"v0.70.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.69.0","date":"2024-12-13T19:45:41Z","type":"stable","version":"v0.69.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.68.0","date":"2024-12-10T16:28:05Z","type":"stable","version":"v0.68.0"},{"url":"https://github.com/Aider-AI/aider/releases/tag/v0.67.0","date":"2024-12-06T14:44:33Z","type":"stable","version":"v0.67.0"}]` | - |
| reliability.status_page | yes | yes |
| security.gdpr | - | yes |
| security.vulnerabilities | `{"count":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=aider-chat&per_page=100","last_12m":2,"max_severity":"LOW"}` | - |

## Capabilities (AI Coding Assistants)

| Capability | Aider | Claude Code |
|---|:--:|:--:|
| **Core** |  |  |
| Form | CLI agent | Autonomous agent |
| Autonomy level | Agentic | Autonomous |
| **Surface** |  |  |
| Editor / surface support | IDE integration via comments, web chat interface | terminal, IDE, browser, desktop extensions |
| **AI** |  |  |
| Model source | Model-agnostic (BYO key) | Single-vendor |
| **Deployment** |  |  |
| Self-hostable / air-gapped | ✓ | ✗ |
| **Context** |  |  |
| Codebase context | Repo-wide indexing | - |
| **Editing** |  |  |
| Multi-file edits | ✓ | - |
| **Agentic** |  |  |
| Runs commands / tools | ✓ | ✓ |
| **Data** |  |  |
| Zero-data-retention option | ✓ | - |
| **Security** |  |  |
| Enterprise controls | ✗ | - |
| **Ecosystem** |  |  |
| Language coverage | 100+ languages including Python, JavaScript, Rust, Ruby, Go, C++, PHP, HTML, CSS | - |
| **Commercial** |  |  |
| Pricing model | Free | Per-seat |
| **Licensing** |  |  |
| Open-source client | OSS | Closed |

*Source: Vioscale. Generated 2026-09-01T16:59:22.556Z. "-" = undocumented, not absent.*