Muse Spark Open - Thorsten Meyer AI

Reality Check

Nemotron 3.5 Doubles NVIDIA’s Score. America’s Open-Weight Gap Is Still There.

A large and a compact glowing cobalt engine on a bright white floor, with turquoise bars rising toward the horizon

NVIDIA’s Nemotron 3.5 Super VL scores 26, twice its predecessor, at $0.25 per index task. Bolt nearly matches June’s 550B flagship with 9B active parameters. The best permissive US open model still ranks 18th.

Thorsten Meyer
October 16, 2026

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Reality Check

Muse Spark Open: America’s Strongest Open-Weight Model, Priced Like Meta’s Closed One

Open glass display case holding a glowing cluster of cobalt and turquoise crystals threaded with luminous wires, against a bright sky

Muse Spark Open is the best US open-weight model by 12 points and leads all open models on knowledge reliability. It also costs the same per token as the closed Muse Spark 1.3, scores 8% on Terminal-Bench 4.0 and ships under a license you need to read.

Thorsten Meyer
October 16, 2026

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Reality Check

Nemotron 3.5 Doubles NVIDIA’s Score. America’s Open-Weight Gap Is Still There.

NVIDIA's Nemotron 3.5 Super VL scores 26, twice its predecessor, at $0.25 per index…

Thorsten Meyer
October 16, 2026

Reality Check

Muse Spark Open: America’s Strongest Open-Weight Model, Priced Like Meta’s Closed One

Muse Spark Open is the best US open-weight model by 12 points and leads all open models…

Thorsten Meyer
October 16, 2026

Small glowing glass cube beside a tall dark-blue server rack, its light beam rising into a bright blue sky

Reality Check

Nemotron 3.5 Bolt: An Ultra-Class Score at a Seventh of the Size. You Pay for It in Tokens.

NVIDIA's Nemotron 3.5 Bolt 74B-A9B scores 21.4, close to the 550B Nemotron 3 Ultra. It…

Thorsten Meyer
October 16, 2026

AI Tools & Automation

Redesigning Source Control At Anthropic – Anthropic

Anthropic’s headline signals a source control redesign, but no article text was…

Thorsten Meyer
October 16, 2026