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Editorial collage headed GROK 4.7 with the subtitle 500K context, $2 / $6, wins 2 of 7: the angular xAI X mark on a torn card, a code card reading model equals grok-4.7, a spec card listing context 500,000, cutoff May 2026, in / out $2 / $6, reasoning low to xhigh, and a price card setting $2 against $10

AINew release

Grok 4.7 (xAI): the cheap seat at the frontier

Grok 4.7 is xAI's current flagship, released 21 September 2026 with a 500,000-token context window at $2 and $6 per million tokens. It beats Grok 4.6 on all seven of xAI's own benchmarks and takes the best score on two of them.

AI

What we know about DeepSeek V4.1 Pro

DeepSeek's V4.1 research describes specialist teachers, AI teamwork and training on workplace failures. Together, they suggest how the next Pro could handle bigger projects.

AINew release

Model safeguards on security requests: what each lab puts in front of the model

What each frontier lab puts between a security request and its model in 2026: Anthropic's typed refusals with a fallback to Opus 4.8 and published block rates, OpenAI's two Daybreak tiers, Google's access programmes, and the licences binding the open-weight models, read from the labs' own documents.

AINew release

Google Big Sleep: the agent finder, 26 attributed entries and the SQLite origin

Google Big Sleep is the vulnerability agent built by Google DeepMind and Project Zero, announced 1 November 2024 with a stack buffer underflow in SQLite. Eighteen CVE records name it in their credits and seven more carry its credit in Apple's and Google's advisories, each checked at the record in September 2026.

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