Completely open-source and free (Apache 2.0), with no subscription model; uses local models (such as Ollama) at zero cost; API call fees depend on the chosen LLM provider
Aider itself is free, the cost of LLM API is determined by the provider chosen by the user, usually ranging from US$10-30 per month (light usage) to US$50-200+ per month (heavy usage)
Both offer a free plan. Compare paid tiers against your needs.
Neither publishes paid pricing — check whether the free tier covers your needs.
FAQ
Is there a free version of aider?
Yes. Completely open-source and free (Apache 2.0), with no subscription model; uses local models (such as Ollama) at zero cost; API call fees depend on the chosen LLM provider
How much does aider cost?
The cheapest is the plan from aider named API cost (self-selected provider), at about 官方報價(洽詢).
Does aider support Chinese?
aider only partially supports Chinese.
Is there a free version of CreateOS Sandbox?
Yes. The official website does not disclose the free quota; charges are based on actual usage (no minimum consumption, no monthly fee)
How much does CreateOS Sandbox cost?
The cheapest is the plan from CreateOS Sandbox named Pay-as-you-go, at about 官方報價(洽詢).
Does CreateOS Sandbox support Chinese?
CreateOS Sandbox has no Chinese interface at this time.
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