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z-ai/glm-5.3-flash @ sail-research/fp8: B3IT change (TV 0.25)

The z-ai/glm-5.3-flash endpoint hosted at sail-research/fp8 is now under active B3IT monitoring after its logprob probe failed to return usable logprobs, according to the tracking dashboard. The endpoint's B3IT detector recorded a total-variation level shift of 0.25, while OpenRouter has billed $0.11 for tracking since 2026-09-04 across 43,017 queries. No detected changes are listed in the dashboard's change table.

read1 min views11 publishedSep 9, 2026

Tracking status #

LT

probe failed— This endpoint claims logprob support, but our probe could not obtain usable logprobs. (No logprobs returned) 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 2026-09-04 Total to date

$0.11

Last 30 days

$0.11

Queries

43,017

- B3IT (onboarding)$0.1094%
- B3IT (monitoring)$0.00706%
  • Vetting$0.000038<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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