Comparison

Aider vs Claude Code

On the evidence we track, Claude Code leads this comparison with a composite score of 58/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Aider full profile →Claude Code full profile →

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Aider52

★Claude Code58

Attribute comparison across 2 tools
Attribute	Aider	Claude CodeLeader
Vioscale score	52 / 100medium · 65%	58 / 100medium · 54%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	open_source	freemium
Price levelpricing.price_level	free	mid
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	26	6
Security
Gdprsecurity.gdpr	-	✓
Vulnerabilitiessecurity.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	-
Reliability
Status pagereliability.status_page	✓	✓
Adoption
Dependent reposadoption.dependent_repos	1	-
Github starsadoption.github_stars	48,509	-
Package downloads weeklyadoption.package_downloads_weekly	166,611	-
Activity
Commits last 30dactivity.commits_last_30d	0	-
Release
Cadence daysrelease.cadence_days	9	-
Historyrelease.history	20 items	-
License
Spdxlicense.spdx	Apache-2.0	-
Language
Primarylanguage.primary	Python	-
Market
Availabilitymarket.availability	Available worldwide	Available worldwide

Score

Vioscale score

Aider52 / 100medium · 65%

Claude Code58 / 100medium · 54%

Pricing

Free tier

Aider✓

Claude Code✓

Model

Aideropen_source

Claude Codefreemium

Price level

Aiderfree

Claude Codemid

Transparent

Aider✓

Claude Code✓

Integrations

Count

Aider26

Claude Code6

Security

Gdpr

Aider–

Claude Code✓

Vulnerabilities

AiderCount: 2 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=aider-chat&per_page=100 · Last 12m: 2 · Max severity: LOW

Claude Code–

Reliability

Status page

Aider✓

Claude Code✓

Adoption

Dependent repos

Aider1

Claude Code–

Github stars

Aider48,509

Claude Code–

Package downloads weekly

Aider166,611

Claude Code–

Activity

Commits last 30d

Aider0

Claude Code–

Release

Cadence days

Aider9

Claude Code–

History

Aider20 items

Claude Code–

License

Spdx

AiderApache-2.0

Claude Code–

Language

Primary

AiderPython

Claude Code–

Market

Availability

AiderAvailable worldwide

Claude CodeAvailable worldwide

Capabilities

Feature-by-feature on the axes that matter for ai coding assistants. “-” means undocumented, not absent.

Capability comparison for 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

Core

Form

AiderCLI agent

Claude CodeAutonomous agent

Autonomy level

AiderAgentic

Claude CodeAutonomous

Surface

Editor / surface support

AiderIDE integration via comments, web chat interface

Claude Codeterminal, IDE, browser, desktop extensions

Model source

AiderModel-agnostic (BYO key)

Claude CodeSingle-vendor

Deployment

Self-hostable / air-gapped

Aider✓

Claude Code✗

Context

Codebase context

AiderRepo-wide indexing

Claude Code-

Editing

Multi-file edits

Aider✓

Claude Code-

Agentic

Runs commands / tools

Aider✓

Claude Code✓

Data

Zero-data-retention option

Aider✓

Claude Code-

Security

Enterprise controls

Aider✗

Claude Code-

Ecosystem

Language coverage

Aider100+ languages including Python, JavaScript, Rust, Ruby, Go, C++, PHP, HTML, CSS

Claude Code-

Commercial

Pricing model

AiderFree

Claude CodePer-seat

Licensing

Open-source client

AiderOSS

Claude CodeClosed

What each one is

The product in its own terms, so the numbers below have context.

Aider

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.

Independently observed

Claude Code

Leader

Claude Code is an AI coding assistant integrated into Claude that helps developers write, edit, and generate code across multiple interfaces and platforms.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Aider

Open sourceFree tier

Completely free and open source

as of 2026-08-14verify ↗

Claude Code

Leader

from $17/moSubscriptionFree tier

Free tier available. Pro from $17/month (annual) or $20/month (monthly). Max from $100/month (monthly).

FreeFree
- 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
- +5 more
Pro$17/month (annual, $200 billed upfront) or $20/month (monthly)
- More usage
- Includes Claude Code
- Includes Claude Cowork
- Includes Claude Design
- Includes Claude Science
- +4 more
MaxFrom $100/month (billed monthly)
- 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

as of 2026-08-05verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Aider	Claude Code
WebPlatforms	✓	✓
iOSPlatforms	✗	✓
AndroidPlatforms	✗	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✗

Platforms

Web

Aider✓

Claude Code✓

iOS

Aider✗

Claude Code✓

Android

Aider✗

Claude Code✓

CLI

Aider✓

Claude Code✓

Deployment

Cloud / SaaS

Aider✓

Claude Code✓

Self-hosted

Aider✓

Claude Code✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Aider

33 total

Claude
DeepSeek
OpenAI
Gemini
GROQ
LM Studio
xAI
Azure
Cohere
Ollama
OpenRouter
GitHub Copilot
Vertex AI
Amazon Bedrock
Claude 3.7 Sonnet
Claude Opus
Claude Sonnet
DeepSeek R1
DeepSeek Chat V3
DeepSeek V3
GPT-4o
GPT-4.1
o1
o3-mini
+9 more

Independently observed

Claude Code

Leader

6 total

Slack
Google Workspace
Microsoft 365
Remote MCP
Connectors
External APIs

Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.