# NousResearch/hermes-agent · TTS response_format fallback and retry handling

## Open now

- 1 issue, 1 PR open on GitHub.
- #73470: \[Bug\]: OpenAI-compatible TTS backends that reject response_format=opus still fail after #57184
- PR #73482: fix(tts): fall back to mp3 when an OpenAI-compatible backend rejects response_format (#73470)

These issues and fixes address how the TTS integration handles unsupported or rejected response_format values from OpenAI-compatible backends, including fallback to mp3 and retry logic.

## TL;DR

- 4 member(s): 1 open issue(s), 0 closed issue(s), 1 open PR(s), 0 merged PR(s), 2 PR(s) closed without merging.
- No fix has been merged to main; one or more PRs were attempted (see below).
- **Recommended:** review the prior/competing PR(s) below. A fix was attempted but not merged; your case may extend or revive that work.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `unresolved`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.50`: the share of member pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. `1.00` means every pair is linked.

## Open related issues

- #73470: \[Bug\]: OpenAI-compatible TTS backends that reject response_format=opus still fail after #57184

## Prior & competing PRs

- **#73481: fix(tts): retry unsupported response formats**. closed without merge
  - maintainer direction: category `volume_quota`; implication `active`; refs `#73482`
- **#73482: fix(tts): fall back to mp3 when an OpenAI-compatible backend rejects response_format (#73470)**. open
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `70db671fac`, `fae29c841`, `cebddf0418`, `#73470`, `#57184`
  - files: `tests/tools/test_tts_openai_format_fallback.py`, `tools/tts_tool_openai.py`
- **#73604: fix(tts): respect backend response_format in OpenAI TTS**. closed without merge
  - maintainer direction: category `uncategorized`; implication `needs_llm`; refs `#73604`, `#73482`

## Fix status

- No merged fix on record.
- Subsystem: `agent`