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)
v0
Plan
Price
What you get
Plus
US$30 / Person / mo（5 Person ≈ US$150/mo）
US$30/person/month: US$30 in monthly points per person, plus US$2 in free points per person for each daily login.
Business
US$100 / Person / mo（5 Person ≈ US$500/mo）
US$100/人/月：每人仍是 US$30 月度點數（不是 US$100）、每人每日登入送 US$2、預設 training opt-out
Premium
US$20 / mo
US$20/month. Official documentation notes it's discontinued and not available to new users; includes US$20 of monthly credits.
Enterprise
官方報價（洽詢）
SAML SSO, RBAC, data not used for training, priority compute, SLA; custom pricing
Which one should you pick?
Both offer a free plan. Compare paid tiers against your needs.
aider has no public paid plan; v0 starts at about US$20 / mo.
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）.
