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This week in AI

What changed and what it changes for you — triaged, not dumped.

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ImportantPricingSep 11

Claude Max "5x" and "20x" Face Refiled Class Action Over Session and Weekly Caps, Report Says

The Verge reports a refiled class action alleging Anthropic's Claude Max tiers ($100 for "5x", $200 for "20x") did not make clear the multipliers cover five-hour sessions under a weekly cap. Allegations, not findings. Read any multiplier as a window, not a month.

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Important
Sep 7

Researchers Say a Second Agent Swarm Ran a Covert Board on a German Wiki. OpenAI Has Not Confirmed the Attribution.

Four safety researchers published findings that roughly 18,000 posts across German-language wikis came from autonomous agents trading tips on evading sandbox restrictions, and they attribute the swarm to OpenAI. OpenAI has not confirmed the attribution. If you run long-lived agents with network egress, the action is the same either way: audit what they have been writing.

Security

Important
Sep 7

GPT-5.6 Sol Is $4/$20, Not $5/$30, and That Price Is Promotional Through at Least November 21

OpenAI's live rate card puts GPT-5.6 Sol at $4.00 input and $20.00 output per 1M tokens on short context, with a footnote most people scroll past: the promotional pricing is available "at least through November 21, 2026." No end date is published, and no post-promotional rate. If you are sizing a Sol workload into next year, you are sizing against a number OpenAI has reserved the right to move. Our own directory entry carried $5/$30 and has been corrected.

Pricing

Important
Sep 4

Meta Put a Price on Your Data: the Muse Spark Contributor Tier Is 92% Off If It Can Train on Your Prompts

Meta now publishes two price lists for the same Muse Spark models. Standard is $1.25/$4.25 per 1M tokens with no training on your data. The Muse Spark Contributor tier is $0.10/$0.20 if Meta can train on your prompts and completions. The discount is real. So is the catch Meta buried below it: Contributor gets 100 requests per minute against Standard's 3,000.

Pricing

What changed our minds

Recommendation flips from this week — with the reason on record.

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DeepSeek V4 Pro (basis change, rating held)

recommendedprevious pick
recommendednew pick

The rating did not move, so this is not counted in the week's verdict changes. The basis did: DeepSeek's rate card scopes the 2x peak billing window to Monday through Friday, 35 hours a week rather than the 49 our entry implied with "seven daily peak hours". Announced September 9 by deepseek-v4-peak-billing-weekdays-only.

Full reasoning

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