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[ARTICLE · art-129727] src=trackllm.net ↗ pub= topic=ai-infrastructure verified=true sentiment=· neutral

anthropic/claude-sonnet-4.6 @ claude-on-aws: B3IT change (TV 0.24)

OpenRouter has recorded $1.81 in total tracking spend on the anthropic/claude-sonnet-4.6 @ claude-on-aws endpoint since 2026-08-18, across 45,628 queries, with B3IT onboarding accounting for $1.5988 and B3IT monitoring for $0.2112 of that total. The endpoint is actively monitored through its border inputs, but no logprob tracking is possible because it does not return logprobs, and the detected-changes table lists no level shifts. B3IT, which measures total-variation distance of border-input votes on a 0–1 scale, is the signal used to track drift from the endpoint's reference period.

read1 min views21 publishedAug 28, 2026

Tracking status #

LT

no logprobs— This endpoint does not return logprobs, so logprob tracking is impossible. 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 2026-08-18 Total to date

$1.81

Last 30 days

$1.81

Queries

45,628

- B3IT (onboarding)$1.5988%
- B3IT (monitoring)$0.2112%
  • Vetting$0.0011<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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