Compare Aider and Amazon Kiro free tiers side by side. Pricing, limits, change history, and risk assessment for developers.

Aider vs Amazon Kiro

Side-by-side free tier comparison. Catalogue dates here run to 2026-11-08.

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Verdict

Amazon Kiro offers a free tier ("Free"). We are not publishing a free-tier verdict for Aider. The page we cite for Aider states no amount, tier or rate we can read when we last looked, on 2026-10-14. We are not comparing the two pricing histories.

A verdict here is not a fixed property of the vendor. A one-off pricing event demotes a vendor while its recorded date falls in the last 180 days and then lapses on its own, with nothing about the vendor having changed; a standing condition — a free tier withdrawn and not restored, a product retired — does not lapse with time. A badge carrying a date states the record it rests on; a badge with no date rests on no record in force.

Aider

Risk
CategoryAI Coding
TierOpen Source
Verified2026-07-27
Last read2026-10-14
Changes0 recorded
Open-source AI pair programming CLI tool. Fully free — users provide their own LLM API keys (supports GPT-4o, Claude, Gemini, DeepSeek, Ollama local models). Git-aware editing, multi-file changes, voice coding, in-chat image support. Apache 2.0 licensed.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-14, so we cannot confirm these terms today.

Amazon Kiro

Riskcaution 2026-06-03 reduced
CategoryAI Coding
TierFree
Verified2026-11-08
Last read2026-11-08
Changes2 recorded
AI coding tool by AWS, with an IDE, a CLI and a web interface. Prompts run by default on Auto, "an agent that uses a mix of different frontier models", and users can pick Claude, GPT or open-weight models. KIRO FREE $0 per month 50 credits. KIRO PRO $20 per user / month 1,000 credits. KIRO PRO+ $40 per user / month 2,000 credits. KIRO PRO MAX $100 per user / month 5,000 credits. KIRO POWER $200 per user / month 10,000 credits. Add-on credits are $0.04/credit. Credit pooling is for teams of 2 or more. Each seat costs $20 per month and adds 500 credits a month to the shared pool. Admins can buy add-on credits for the pool at $0.04 per credit. From November 1, 2026, the first upgrade to Pro includes the rest of that month free and 500 trial credits. Trial credits are used after plan credits and expire after 12 months. On the free tier, unused trial credits carry over but can only be spent on free-tier models. Before November 1, 2026, the first upgrade includes a $20 discount. From that date, plan fees and credits are prorated.
  • Kiro subscriptions can be used with Kiro IDE, Kiro CLI, Kiro Web, Kiro Crew, ACP compatible IDEs, and automation in software development. Use through third-party automation harnesses such as OpenClaw is not permitted. (From kiro.dev/pricing, read 2026-10-16.)
  • Monthly plan credits reset at the start of each billing month and unused ones do not roll over. Add-on credits roll over and expire 12 months after purchase. (From kiro.dev/pricing, read 2026-10-16.)

Pricing Change History

Aider

No recorded pricing changes for Aider.

Amazon Kiro

new tier effective 2026-07-10 low impact
Kiro added a Pro Max plan at $100 per user a month with 5,000 credits, between Pro+ and Power. It first appears on kiro.dev/pricing between the 2026-06-03 and 2026-07-10 captures. Source ↗
reduced effective 2026-06-03 medium impact
Kiro stopped giving new users 500 bonus credits on sign-up, usable within 30 days, and now credits $20 toward the first paid plan instead. The change falls between the 2026-05-02 and 2026-06-03 captures of kiro.dev/pricing. Source ↗

Watch Both Vendors for Pricing Changes

We do not push notifications. Every change we record is readable the moment it lands, and the JSON answer carries an ETag — send it back as If-None-Match and an unchanged answer costs one 304.

curl https://agentdeals.dev/api/changes?vendor=Aider curl https://agentdeals.dev/pricing-changes/feed.xml?vendor=Aider curl https://agentdeals.dev/api/changes?vendor=Amazon%20Kiro curl https://agentdeals.dev/pricing-changes/feed.xml?vendor=Amazon%20Kiro

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