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openai/gpt-4o-mini @ openai: B3IT change (TV 0.33)

A tracking dashboard for the openai/gpt-4o-mini endpoint on OpenRouter recorded a B3IT change with a total-variation distance of 0.33, while the endpoint's log-probability drift (LT) and border-input vote drift (B3IT) are both measured against a reference period. Tracking spend since 2026-06-23 totals $0.15, with $0.084 in the last 30 days across 84,052 queries, broken down as $0.1172 for B3IT onboarding, $0.03725 for B3IT monitoring, $0.00483 for LT and $0.00031 for vetting. The page lists no detected changes in its changes table, so no dated level shift is reported.

read1 min views4 publishedNov 8, 2026

Tracking status #

LT

tracked— This endpoint is actively tracked. B3IT

monitoring— This endpoint is actively monitored through its border inputs.

Drift from baseline #

Both signals measure how far this endpoint's behavior has moved from its reference period. LT tracks the average change in the returned tokens' log-probabilities (nats); B3IT tracks the total-variation distance of the border-input votes (0–1). Both should ideally be as close to 0 as possible. Dashed lines mark published changes, labeled with the level shift across them: for LT the mean drift over the 7 days after minus the 7 days before; for B3IT the total-variation shift its detector measured.

Hover a day on either lane, a change mark or an epoch line to read the data behind it.

Detected changes #

| Date | Method | Level shift |

|---|---|---|

Spend #

what OpenRouter billed for tracking this endpoint. Spend recorded since 2026-06-23 Total to date

$0.15

Last 30 days

$0.084

Queries

84,052

- B3IT (onboarding)$0.1172%
- B3IT (monitoring)$0.03725%
  • LT$0.00483%
  • Vetting$0.00031<1%

Vetting is the one-off probe that checks the endpoint's billed cost against its advertised price.

**B3IT (onboarding)** is the initial border-input search;

**B3IT (monitoring)** and

LT are the recurring daily checks.

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