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Zed now predicts your next edit with Zeta, our new open model

From the Zed Blog: A tool that anticipates your next move.

By writing our test assertions in plain English and having Claude check if the results matched our intent, we could validate that Zeta was making sensible edits, even when its exact output differed between runs. The most annoying ones were when Zeta was working with a small piece of code in a larger file—it would sometimes get confused and make random deletions or insertions that had nothing to do with what the user was trying to do, and it didn't seem like adding more examples steered the model away from those mistakes. We use n-gram search to identify promising jumping-off points in the input where we can start parallel token generation, giving us a significant speedup without sacrificing quality.

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