Every change to a published price lands here as a dated entry with the old figure, the new figure, and the source. The log is append-only; the git history of the underlying dataset is the tamper-evident audit trail.
RSS feed — monitorable by newsrooms and agents alike.
September 7, 2026
25 image models added
Image modality launched: 25 models, 10 comparisons, /image matrix, image calculator. Official rates for Black Forest Labs, OpenAI, Google, xAI, and Midjourney plans were read live from public pricing pages on 2026-09-07 and carry verified labels; aggregator rates are carried from the operator's cost audit (2026-03-23) as derived/estimated pending scrape.
snapshot: data/snapshots/2026-09-07/image-import.json
August 28, 2026
14 video models seeded
Initial dataset: 14 video models seeded from the operator's cost audit (2026-03-23) and launch research. Every price labeled derived or estimated; live re-verification pending.
snapshot: data/snapshots/2026-08-28/seed-import.json
August 28, 2026
10 voice models seeded
Initial dataset: 10 voice/TTS models seeded. Price history begins at launch; the weekly diff pipeline appends every subsequent change here.
snapshot: data/snapshots/2026-08-28/seed-import.json
Weekly verification runs every Monday once the site is live. A week with no entries means every price re-verified unchanged — that is a result, not an absence.