agent · ai-coding-agents
Aider vs Refact.ai
55 fields both were evaluated on, 23 of them different — including where one discloses something the other does not. Every value links to the document it came from. 32 further fields are disclosed by neither and are listed at the end rather than tabled.
Assurance
| Field | Aider | Refact.ai |
|---|---|---|
| Audit trail· | “Git integration Aider automatically commits changes with sensible commit messages.”aider.chat · checked Aug 1, 2026 | no public information refact.ai · checked Aug 1, 2026 |
| Explainability· | no public information aider.chat · checked Aug 1, 2026 |
Agency
| Field | Aider | Refact.ai |
|---|---|---|
| Autonomy level· | no public information aider.chat · checked Aug 1, 2026 | “Autonomous AI agent Delegate your coding tasks end-to-end Just describe what you need — Refact.ai Agent plans, executes, and deploys.”refact.ai · checked Aug 1, 2026 |
| Human oversight· | no public information aider.chat · checked Aug 1, 2026 | “It works like another developer in your IDE, integrating with your codebase and stack, while letting you preview and control the process.”refact.ai · checked Aug 1, 2026 |
| Goal complexity· | no public information aider.chat · checked Aug 1, 2026 | |
| Action space· | no public information aider.chat · checked Aug 1, 2026 | “Refact.ai Agent accesses your resources and handles related operations autonomously, mimicking your workflow.”refact.ai · checked Aug 1, 2026 |
| Operating environment· | no public information aider.chat · checked Aug 1, 2026 | Runs inside the developer's IDE, working against their codebase and stack “It works like another developer in your IDE, integrating with your codebase and stack, while letting you preview and control the process.”refact.ai · checked Aug 1, 2026 |
Safety
| Field | Aider | Refact.ai |
|---|---|---|
| Data handling· | no public information aider.chat · checked Aug 1, 2026 | On-premise deployment offered as the data-control option; no retention, training-use or deletion terms published on the page checked “On-premise deployment keeps your code private and fully under your control. It provides maximum security and complete data ownership.”refact.ai · checked Aug 1, 2026 |
Practicality
| Field | Aider | Refact.ai |
|---|---|---|
| Price point· | no public information aider.chat · checked Aug 1, 2026 | |
| Availability· | no public information aider.chat · checked Aug 1, 2026 | Hosted service being discontinued - the homepage carries a banner stating Refact Cloud is shutting down soon “Refact Cloud is shutting down soon”refact.ai · checked Aug 1, 2026 |
| Deployment options· | no public information refact.ai · checked Aug 1, 2026 | |
| Integrations· | “Git integration Aider automatically commits changes with sensible commit messages.”aider.chat · checked Aug 1, 2026 | no public information refact.ai · checked Aug 1, 2026 |
| Support model· | no public information aider.chat · checked Aug 1, 2026 | "Priority support and onboarding" named as a paid-tier feature; no response times or remedies published “Priority support and onboarding”refact.ai · checked Aug 1, 2026 |
Foundation models
| Field | Aider | Refact.ai |
|---|---|---|
| Base models· | “Aider works best with Claude 3.7 Sonnet, DeepSeek R1 & Chat V3, OpenAI o1, o3-mini & GPT-4o”aider.chat · checked Aug 1, 2026 | “Powered by Qwen2.5-Coder model and Retrieval-augmented generation (RAG)”refact.ai · checked Aug 1, 2026 |
| Model provider· | “Aider works best with Claude 3.7 Sonnet, DeepSeek R1 & Chat V3, OpenAI o1, o3-mini & GPT-4o”aider.chat · checked Aug 1, 2026 | “Use Claude 4, GPT-4o, or GPT-4o mini with AI Agent or for chat queries. Bring your own key Connect your API key and use any LLM: Gemini, Grok, OpenAI, Deepseek, and others.”refact.ai · checked Aug 1, 2026 |
| Model swappable· | “but can connect to almost any LLM, including local models.”aider.chat · checked Aug 1, 2026 | “Bring your own key Connect your API key and use any LLM: Gemini, Grok, OpenAI, Deepseek, and others.”refact.ai · checked Aug 1, 2026 |
| Fine-tuning· | no public information aider.chat · checked Aug 1, 2026 | “Fine-tune LLMs Train AI on your stack to customize its behavior.”refact.ai · checked Aug 1, 2026 |
Ecosystem
| Field | Aider | Refact.ai |
|---|---|---|
| Tool use· | no public information aider.chat · checked Aug 1, 2026 | “Refact.ai Agent accesses your resources and handles related operations autonomously, mimicking your workflow.”refact.ai · checked Aug 1, 2026 |
| API access· | no public information refact.ai · checked Aug 1, 2026 | |
| Open source· | no public information aider.chat · checked Aug 1, 2026 | Self-described as open source in the homepage headline; no licence named on the page checked “Your Open-Source, Autonomous AI Agent”refact.ai · checked Aug 1, 2026 |
| Marketplace presence· | no public information aider.chat · checked Aug 1, 2026 | Plugins published for VS Code, JetBrains IDEs (PyCharm, WebStorm, GoLand, IntelliJ, CLion), Visual Studio, Neovim and Sublime Text; several marked beta “Download Refact.ai plugins: VS Code JetBrains Visual Studio beta Neovim beta Sublime Text beta PyCharm WebStorm GoLand IntelliJ CLion”refact.ai · checked Aug 1, 2026 |
Impact
| Field | Aider | Refact.ai |
|---|---|---|
| User base· | “⭐ GitHub Stars 44K 📦 Installs 6.8M 📈 Tokens/week 15B”aider.chat · checked Aug 1, 2026 | |
| Deployment scale· | “⭐ GitHub Stars 44K 📦 Installs 6.8M 📈 Tokens/week 15B”aider.chat · checked Aug 1, 2026 | no public information refact.ai · checked Aug 1, 2026 |
Disclosed by neither
Both Aider and Refact.ai publish nothing on these 32 fields. That is a finding about the category rather than a difference between them, so it is recorded here instead of as 32 identical table rows. Each is shown with its source check on the individual profiles.
- Initiative
- Target sectors
- High-risk domains
- Documented incidents
- Pricing model
- Supported regions
- Open weights
- Context window
- Protocols supported
- Multi-agent
- Safety evaluations
- Red teaming
- Safety policy
- Usage restrictions
- Model or system card
- Incident reporting
- Third-party evaluations
- Insurance available
- Insurance carriers
- Coverage limits
- Indemnification
- Liability cap
- Tamper-evident log
- Runtime governance
- Permission scopes
- Compliance certifications
- Regulatory alignment
- Outcome-based pricing
- Settlement mechanism
- Dispute process
- SLA terms
- Evaluation coverage
Questions
- How do Aider and Refact.ai compare on operating environment?
- Aider: no public information disclosed. Refact.ai: Runs inside the developer's IDE, working against their codebase and stack.
- How do Aider and Refact.ai compare on availability?
- Aider: no public information disclosed. Refact.ai: Hosted service being discontinued - the homepage carries a banner stating Refact Cloud is shutting down soon.
- How do Aider and Refact.ai compare on support model?
- Aider: no public information disclosed. Refact.ai: "Priority support and onboarding" named as a paid-tier feature; no response times or remedies published.
- How do Aider and Refact.ai compare on open source?
- Aider: no public information disclosed. Refact.ai: Self-described as open source in the homepage headline; no licence named on the page checked.
- How do Aider and Refact.ai compare on marketplace presence?
- Aider: no public information disclosed. Refact.ai: Plugins published for VS Code, JetBrains IDEs (PyCharm, WebStorm, GoLand, IntelliJ, CLion), Visual Studio, Neovim and Sublime Text; several marked beta.
- How do Aider and Refact.ai compare on data handling?
- Aider: no public information disclosed. Refact.ai: On-premise deployment offered as the data-control option; no retention, training-use or deletion terms published on the page checked.