The cheapest AI coding agents in 2026
You do not need an expensive subscription to code with an AI agent. Here is how coding agent pricing works, and how to get the most out of a small budget.
Updated October 2026
How AI coding agents charge
Agents charge in three ways: a monthly subscription with usage limits, pay-as-you-go API usage, or free software where you bring your own API key and pay the model provider directly. Popular premium plans typically start around $20/month at the time of writing — check each vendor for current prices.
Exvisit Studio — free with BYOK, plans from ₹150/month
Disclosure: this is our product. Exvisit Studio is free with your own API key with no platform markup. If you would rather not manage keys, Lite is ₹150/month (≈ $1.50), Mini is ₹650/month (≈ $6.50) and Pro is ₹1,500/month (≈ $15), each with cloud credits charged at each model's live price. Renewing within 5 days of expiry carries half of your unused credits into the next month.
Download freeOther low-cost options
Open-source agents such as OpenCode, Cline, Roo Code and Aider are free software — you pay only for model usage. Several commercial tools also offer limited free tiers.
Compare alternativesHow to cut your coding agent costs
The model you use matters more than the tool. A few habits keep spending low:
- Use a cheaper model for routine edits and a frontier model only for hard problems.
- Run local models through Ollama for free, offline work.
- Give the agent focused context instead of the whole repository.
- Catch errors early — Exvisit's local compile checks avoid paying for broken attempts you would otherwise re-prompt.
Frequently asked questions
What is the cheapest AI coding agent?+
Free, bring-your-own-key tools are the cheapest, because you pay only for model usage — or nothing with local models. Exvisit Studio is free with BYOK, and its paid plans start at ₹150/month (≈ $1.50).
Is there a free AI coding agent?+
Yes. Exvisit Studio is free with your own API key, and open-source agents like OpenCode, Cline and Aider are also free software.
Can I use an AI coding agent without paying for an API?+
Yes. Exvisit supports local models through Ollama and other OpenAI-compatible servers, so you can run it fully offline at no model cost.
How much does Exvisit cost?+
Exvisit Studio is free with your own API keys (BYOK). Paid plans are Lite at ₹150/month (≈ $1.50), Mini at ₹650/month (≈ $6.50) and Pro at ₹1,500/month (≈ $15), each with cloud credits. You can pay in INR with UPI, net banking or Indian cards, or with international cards.
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Free with your own keys