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Google’s newest coding model, Gemini 3.8 Flash, is tuned for long jobs and comes with an incredible launch discount. #
Google shipped three Flash releases in six weeks, and the newest one is built for exactly the kind of work Junie does all day: multi-step engineering tasks that take real exploration to get right. Gemini 3.8 Flash is now available in Junie, in both the IDE plugin and Junie CLI, with a limited-time introductory offer of 75% off.
Slower per step, faster to a working answer
Gemini 3.7 Flash was built for quick, reliable answers. 3.8 Flash takes a different approach. It spends more tokens per task, exploring directories, retrying code that doesn’t work, and running verification steps before it calls a job done. Instead of generating a solution in one shot, it works in a loop: It breaks a goal into smaller sub-tasks, writes scripts to reproduce any bugs, runs tests through tool calls, and checks its own changes before finishing.
That shift shows up directly in Google’s own numbers on DeepSWE v1.1*, the benchmark built to test autonomous agents on long-horizon, real-world development work without data contamination. In testing, 3.8 Flash outperforms most larger frontier models while costing significantly less. The extra tokens aren’t wasted. On complex, multi-step work, they’re what turns a plausible-looking answer into one that’s actually been checked.
If your task just involves implementing a minor fix or small refactoring and doesn’t require the extra diligence of 3.8, 3.7 Flash is still available with full support and remains the cheaper choice per token.
75% off to start
For a limited time only, we’re offering Gemini 3.8 Flash at 75% off. Select it from the model picker in the IDE plugin or Junie CLI, and it’s ready to use, with no setup or waitlist required.