The best AI Coding Assistants
Every option ranked — open-source, self-hostable, and commercial — by our transparent Sovereignty Score, with honest trade-offs so you choose what fits you, not us.
AI pair programmers and autonomous coding agents — the tools that read your repository, write and refactor code, and run commands on your behalf. Compare editor-integrated agents, terminal agents and self-hosted platforms on licence, model choice, whether they can run against a model on your own hardware, and what a month actually costs.
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Cline
Top pickOpen sourceThe open-source agent that lives in the editor you already have.
Free and open source (Apache-2.0) — you pay only your model provider. Optional prepaid Cline credits and a paid enterprise tier exist; bring-your-own-key needs no account. · in our Cursor comparison →
What is Cline? →92sovereignty - 2
opencode
Open sourceThe terminal-native agent with the largest open-source community in the category.
Free and open source (MIT) — you pay your own provider. The optional opencode Zen gateway is pay-as-you-go, with some free models; your own API keys cost nothing extra. · in our Cursor comparison →
What is opencode? →93sovereignty - 3
OpenHands
Open sourceSelf-hosted, sandboxed coding agents — the whole stack runs on infrastructure you control.
Free and open source (MIT) to self-host — you pay only your model provider. Managed OpenHands Cloud and a licensed enterprise self-host are the paid tiers. · in our Cursor comparison →
What is OpenHands? →91sovereignty - 4
Aider
Open sourceGit-native pair programming in the terminal — every change lands as a commit.
Free and open source (Apache-2.0) — you pay only your model provider. No account, no hosted tier, no credits. · in our Cursor comparison →
What is Aider? →89sovereignty - 5
GitHub Copilot
CommercialThe polished commercial option at half the price — and for many readers the honest answer.
Free tier (2,000 completions/month); Pro $10/mo; Pro+ $39/mo; Max $100/mo; Business $19/seat/mo; Enterprise $39/seat/mo. Verified on GitHub's own plans documentation 2026-07-29. · in our Cursor comparison →
What is GitHub Copilot? →28sovereignty
Replacing a specific tool?
Head-to-head comparisons for each popular ai coding assistants product.
Straight head-to-heads
Two ai coding assistants tools, side by side — verified facts and a plain verdict.