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Mercury Edit 2 claims the next-edit quality lead at 221ms
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Introducing Mercury Edit 2: highest quality next-edit model at the lowest latency. 75.6% quality at 221ms. Beats Zeta 2 (64.4%), Claude 4.5 Haiku (71.4%), GPT-5.4 Nano (73.5%). +48% accept rate. -27% shown rate.
@zeddotdev Fewer suggestions, higher signal. Zed users: try Mercury Edit 2 free for 1 month with this API key: sk_ae471146ea60fc117c131b574b00ba96
Why it matters
Next-edit suggestions live or die on latency. A 221ms model with a higher accept rate and fewer interruptions is a direct swap for editor autocomplete, and it is already selectable in Zed.
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