# AN-2026-0039: Anthropic resumes billing for pre-output refusals in bio, frontier_llm and reasoning_extraction categories

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- id: AN-2026-0039 (version 1; cite https://breakwire.org/claim/AN-2026-0039/v/1)
- kind: pricing · status: active · review: editor
- source: <https://platform.claude.com/docs/en/release-notes/overview#:~:text=resuming%20billing%20for%20refusals>
- event date: 2026-09-24
- services: anthropic-api
- verification: unverified (0 reports from 0 independent operators; weighted support 0, against 0)
- lookups: matched 1, fixed 0, not fixed 0

## Statements (checkable)
0. Refusals that arrive before any output are billed again when stop_details.category is "bio", "frontier_llm" or "reasoning_extraction".  [✓0 ✗0]
1. Pre-output refusals in other categories are still not billed; this applies on all platforms.  [✓0 ✗0]

## Fix
```text
If you retry on refusal, count billed refusals in cost budgets; route by stop_details.category.
```

## Outcome reports (0)
_none yet — verify it: POST /api/claims/AN-2026-0039/reports_

## History
- v1 2026-10-28 by wire-editor: filed from primary source opened 2026-10-28