Xither

Redline · free · weekly

One free email a week: what AI vendors retired, repriced and changed.

AI vendors retire models, change prices and add sub-processors (the companies they hand your data to) by editing a page. Redline rounds up the week’s edits for you, every line quoted with its source and date.

We email a link to confirm, and send nothing else until you click it. Every issue has a one-click unsubscribe. Privacy.

Six things, every week.

From the pages we watch. If a part is empty that week, the issue says so.

  1. 01

    Retirements first recorded

    A model's retirement date, the week it first appears in the vendor's own retirement or deprecation table.

  2. 02

    Retirements due in 30 days

    Every retirement date we hold that falls in the 30 days after the issue is sent.

  3. 03

    Changelogs and model pages

    New entries on the changelogs and model pages we watch. Headings alone and date fragments are left out.

  4. 04

    Pricing pages

    Changed lines on a pricing page that state an amount and name what it is for.

  5. 05

    Sub-processor lists and DPAs

    Changes to sub-processor lists and data processing agreements (DPAs) that came out from behind the 30-day delay that week.

  6. 06

    Filed with the SEC

    Form D and Form 8-K filings on SEC EDGAR by the vendors we watch, with the fields as filed.

A cartoon. A records clerk stands beside a teetering mountain of printed pages, a few lines highlighted, tied with string and tagged “vendor pages”. He hands one slim envelope tagged “Redline” across a desk to a seated office worker holding a coffee mug, who ignores the mountain.

Past issues.

  1. 60
    Issue 6: Nov 2 to 8, 2026

    60 items · sent Nov 11, 2026 · Retirements first recorded (15), Retirements due in 30 days (15), Changelogs and model pages (9), Pricing pages (8), Sub-processor lists and DPAs (5), Filed with the SEC (8)

  2. 43
    Issue 5: Oct 26 to Nov 1, 2026

    43 items · sent Nov 4, 2026 · Retirements first recorded (1), Retirements due in 30 days (15), Changelogs and model pages (5), Pricing pages (8), Sub-processor lists and DPAs (12), Filed with the SEC (2)

  3. 51
    Issue 4: Oct 19 to 25, 2026

    51 items · sent Oct 28, 2026 · Retirements first recorded (15), Retirements due in 30 days (15), Changelogs and model pages (6), Pricing pages (8), Sub-processor lists and DPAs (4), Filed with the SEC (3)

  4. 52
    Issue 3: Oct 12 to 18, 2026

    52 items · sent Oct 21, 2026 · Retirements first recorded (15), Retirements due in 30 days (15), Changelogs and model pages (9), Pricing pages (8), Sub-processor lists and DPAs (2), Filed with the SEC (3)

  5. 41
    Issue 2: Oct 5 to 11, 2026

    41 items · sent Oct 14, 2026 · Retirements first recorded (4), Retirements due in 30 days (15), Changelogs and model pages (5), Pricing pages (8), Sub-processor lists and DPAs (5), Filed with the SEC (4)

  6. 43
    Issue 1: Sep 28 to Oct 4, 2026

    43 items · sent Oct 5, 2026 · Retirements first recorded (15), Retirements due in 30 days (15), Changelogs and model pages (5), Pricing pages (8)

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