# NousResearch/hermes-agent · Thinking flag conflicts with assistant prefill turns

## Open now

- Nothing open on GitHub.

These items address a bug where enabling thinking mode conflicts with assistant response prefilling, including fixes to drop or disable thinking in affected turn sequences before provider calls.

## TL;DR

- 3 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #16959. Verify it addresses your case.
- **Recommended:** read PR #16959 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 `0.67`: 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.

## Closed / duplicate issues

- #11213: \[Bug\]: Assistant Response Prefill and Thinking Flag Conflict

## Prior & competing PRs

- **#16959: fix(agent): drop thinking-only assistant turns before provider call**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `run_agent.py`, `tests/run_agent/test_thinking_only_sanitizer.py`
- **#11324: fix(agent): disable thinking on assistant-prefill continuation**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `2b728e12748e3a30273acdbef36ecad15a04f2b9`, `#16959`, `#12427`

## Fix status

- Merged to main in PR #16959 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-04-28`. This confirmation is old and may be out of date (a revert/reopen would not have invalidated it here); re-verify.
- Subsystem: `agent`