Aider Pricing: Plans & Cost Guide 2026
The tool is 100% free and open source; you pay only for your own API usage, nothing marked up.
Aider plans and pricing
Open Source
Individual developers
Aider pricing: the quick answer
Aider is free and open source as of July 8, 2026, with no subscription and a single tier that costs $0. There is no paid plan to compare against, because the tool runs locally in your terminal and you supply your own LLM API key. What you actually spend is whatever your provider charges for the tokens Aider sends, and that bill is entirely usage-based. Aider does not publish or mark up those rates; your cost is exactly your token consumption, nothing more.
- Open SourceFree
Aider is free to start, against a $20/mo median across 12 ai coding tools tools we track.
Aider pricing, read against its live plans and category
Positioning
Aider is a free, open-source command-line tool, so it sidesteps a category median around $20/mo entirely. Instead of a flat subscription, you bring your own keys to run models like Claude Opus 4.8, GPT-5.5, and DeepSeek V4, paying only for exact token consumption while getting the repository map, multi-file editing, and voice-to-code for nothing. The value is real, but the cost lives in the tokens, not the sticker.
Cost drivers
- 1API Token Consumption: You pay third-party providers directly for input and output tokens, which can scale fast during a complex refactor.
- 2Repository Map Overhead: Sending a large codebase map to the model on each chat turn meaningfully raises token usage and cost.
- 3Model Inefficiencies: Reasoning-heavy models can produce unexpectedly high bills through long thinking time on hard problems.
Watch-outs
Beginners and non-programmers hit surprise API bills when they run complex tasks through the terminal, sometimes burning real money in a single evening on inefficient prompting and large context loads.
Strengths
Even at zero cost for the tool, the git-native auto-commit flow and whole-repo awareness are the reasons developers stay.
- Best-in-class terminal-based AI coding, at no software cost
- Automatic git commits with descriptive messages on every change
- Strong repository awareness before it edits
What users say
“Aider is totally free and open source. Best I”
“I need to use it with a local LLM since it can be expensive.”
Editor’s take
The free, open-source tier fits experienced developers who want full control over their models and prefer pay-as-you-go tokens to a flat subscription. For predictable monthly billing with no API keys to manage, Cursor at $20/mo is a capable alternative.
Oleh KemFounder & Lead AnalystAider Hidden Costs & Pitfalls
List price covers the subscription. Total cost of ownership for Aider typically includes additional line items that don't appear on the pricing page.
Aider price history
Cheaper AI Coding Tools tools
Frequently asked questions
Sources & verification
| Source | What was checked | Last checked |
|---|---|---|
| Official Website | Official vendor website | — |
| G2 | G2 verified user reviews · 4.7/5 · 17 reviews | — |
| Capterra | Capterra verified user reviews | — |
Every fact on this Aider pricing page is tied to a named source and a verification date. Freshness-sensitive figures trace to the sources above; verify against the vendor before relying on them.
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