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fx auto mode benchmarked with Jev

Vercel's Pranit reports benchmarking the fx auto-mode safety classifier with Jev: about 5 to 18 times faster and more accurate than GPT-5.6 Luna.
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Post
Reading time
3 min
Published by
Community
Author
Pranit
Last verified
Sep 2026

Highlights

  • Reports 5 to 18 times faster and more accurate than GPT-5.6 Luna, the previous top choice.
  • Targets fx auto mode, the safety classifier that screens tool calls.
  • A screenshot post with no published harness or dataset.

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A vendor engineer's summary; the raw numbers and evaluation code are not in the post.

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