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AI coding agents have moved from autocomplete novelties to genuine pair programmers that can architect features, write tests, debug issues, and review pull requests. This guide compares the leading AI coding tools on what each vendor documents and what independent reporting shows — which models they run, the languages and frameworks they officially support, context-window limits, how multi-file work is handled, IDE integration, and what they cost. We do not run these agents on client projects, so we publish no benchmark of our own; where a capability is only claimed by the vendor, it is attributed to them.

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AI coding assistants compared on documented model access, language and framework support, IDE integration, context limits and current pricing.

Our master list of the best AI agents across every category, kept current as vendors change their capabilities and pricing.


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Background reading on this category from the NorwegianSpark journal.