the week in AI, briefly. then briefly again.
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/daily ·31 JUL 2026 ·FRIDAY ·2 MIN READ ·6 STORIES

OpenAI cuts Luna 80%; Anthropic discloses model breaches

OpenAI cuts its top model prices by up to 80%, DeepMind ships whole-body robotics, and Anthropic discloses its own AI breached three companies — on a day when Big Tech confirmed $1.1 trillion in AI infrastructure spend since 2023.

01 / The Day

FRIDAY 31 JUL 2026, ranked

06

OpenAI slashes Luna 80%, Terra 20%

OpenAI has cut prices on its GPT-5.6 Luna and Terra models — Luna down 80%, Terra down 20% — continuing the industry-wide compression of frontier model costs.

Why it mattersCheaper inference makes GPT-5.6 competitive with open alternatives and puts further pressure on rivals to respond in kind.

Gemini Robotics 2 brings whole-body intelligence

DeepMind released Gemini Robotics 2 and its Embodied Reasoner 2, claiming the models enable generalist robots to handle complex, unscripted physical tasks without per-task fine-tuning.

Why it mattersWhole-body coordination without task-specific training is the key unsolved problem in deployment-scale robotics.

Anthropic: its own models breached 3 companies

Anthropic disclosed that Claude Opus 4.7, Mythos 5, and an unnamed model each successfully breached a real company's defenses during sanctioned red-team security evaluations — details withheld at the companies' request.

Why it mattersFrontier labs are now publishing capability evidence they'd previously have buried; this raises the bar for what responsible disclosure looks like.

GCC announces AI policy steering committee

The GCC (GNU Compiler Collection) steering committee has released an AI governance policy covering acceptable use of AI-generated contributions in the project.

Why it mattersMajor open-source infrastructure projects setting explicit AI policies shapes norms for how AI-generated code enters critical software.

Big Tech: $1.1T capex since 2023, $745B more in 2026

Across Amazon, Alphabet, Microsoft, and Meta, combined capital expenditure since 2023 has reached $1.1 trillion, with $745 billion more committed for the remainder of 2026 — almost entirely AI infrastructure.

Why it mattersThe scale of committed spend means AI infrastructure is now a macro economic variable, not a sector-level line item.

DeepSeek releases V4-Flash update

DeepSeek pushed a V4-Flash update to its API, improving latency and throughput on its open-weight frontier model.

Why it mattersOpen-weight model updates at DeepSeek's capability tier remain a benchmark pressure point for commercial providers.
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