# NousResearch/hermes-agent · Skip unsupported reasoning extra_body for some models

## Open now

- Nothing open on GitHub.

These items relate to a bug where API calls fail because reasoning-related extra_body parameters are sent to models that do not support them. The fixes involve detecting and skipping those parameters for incompatible models, including certain OpenRouter models.

## 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 #1485. Verify it addresses your case.
- **Recommended:** read PR #1485 (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: `resolved` · deciding PR(s): `pr-1485`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #1083: \[Bug\]: ⚠️  API call failed (attempt 1/3): BadRequestError

## Prior & competing PRs

- **#1485: fix(agent): skip reasoning extra_body for unsupported OpenRouter models**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `run_agent.py`, `tests/test_run_agent.py`
- **#1089: fix(agent): skip reasoning extra_body for models that don't support it**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `#1485`

## Fix status

- Merged to main in PR #1485 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-03-16`. This confirmation is old and may be out of date (a revert/reopen would not have invalidated it here); re-verify.
- Subsystem: `agent`