Friday, 18 September 2026 Sign in

KernelBench-Mega

Reported model scores on KernelBench-Mega, best parseable score first. Each row keeps its verbatim score, test conditions and provenance, and links to the source coverage it was extracted from. Benchmark profile →

Model	Score	Conditions	Provenance	Measured	Source
Fable	18.71X speedup	GPU kernel optimization over optimized PyTorch baselines	vendor-reported	—	coverage →
Claude Opus	14.4X speedup	GPU kernel optimization over optimized PyTorch baselines	independent	—	coverage →

Scores are only comparable within one benchmark under matching conditions — results under different test setups, and scores from other benchmarks, are not directly comparable.

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TLDRocket 18 September 2026

The biggest signal today wasn’t a new model—it was money moving to the infrastructure that makes models practical. Crusoe, OpenAI’s Stargate partner, raised $3.9 billion in a Series F that pushes its post-money valuation to $30.9 billion, up from about $10 billion after its roughly year-earlier Series E. The implication is simple: compute is still the scarce input, and data-center scale remains where value concentrates. Crusoe says the cash will fund projects like Abilene and expand its AI data-center and cloud offerings, with board changes and “potential IPO discussions” adding to the sense that this is moving from high-growth story to public-market candidate.

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Every AI story that matters, in your inbox by 8am.

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