The battle of the AI coding assistants
summary
Three IDE plugins — Tabnine (Tab 9 chat), GitHub Copilot (Co-pilot chat with GPT‑4) and JetBrains AI Assistant — get compared by building a Java prime number generator live; all three produce runnable code despite flaky demos. Differences: Copilot and JetBrains give smooth diffs in‑editor and better test placement, Tabnine offers ephemeral processing and self‑hosting for privacy (business tier), JetBrains uses hybrid local models, Copilot ties to Microsoft IDEs. Pricing, waitlists and integration quality decide which to try.
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chapters (17)
- 0:00Introduction to AI coding assistants
- 3:36First edition recap
- 5:04Second edition contenders
- 11:27Cost and availability
- 12:32Demo setup and Java code
- 13:56Tap Nine Chat demo
- 17:27Copilot Chat demo
- 19:30JetBrains AI Assistant demo
- 22:16Code proposals and diffs
- 23:43Writing unit tests
- 25:29Generating documentation
- 26:12Creating regular expressions
- 27:15Explaining code
- 27:57Finding bugs
- 29:21Conclusion AI benefits
- 31:48Recommendations by use case
- 35:41Will AI replace jobs?
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