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InferenceBench: Fable 5.1 leads with 9.83x speedup, ahead of GPT-6 Astra Ultra

On the InferenceBench speedup benchmark, Fable 5.1 leads at 9.83x, while GPT-6 Astra Ultra trails at 7.90x.

Maksym Andriushchenko
@maksym_andrArchived 2026.09.14Originally posted 2026.09.11
InferenceBench: Fable 5.1 leads with 9.83x speedup, ahead of GPT-6 Astra Ultra
Maksym Andriushchenko @maksym_andrOriginally posted 2026.09.11
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A new state-of-the-art on InferenceBench! - Fable 5.1 is leading the benchmark (9.83x speedup). - GPT-6-Astra (Ultra) is quite behind (only 7.90x speedup).

This post quotes another post: x.com/jehyeoky248/status/2098429037332860974

x.com/maksym_andr/status/2098436148628439380Archived 2026.09.14 16:12