# NousResearch/hermes-agent · Smart model routing feature: add, wire, and remove

## Open now

- Nothing open on GitHub.

These items trace the lifecycle of a smart_model_routing feature, from initial implementation and wiring into the agent runtime, through reports that the config key had no effect, to apparent removal or refactoring. The group spans addition, bug reports about missing implementation, and removal of the same feature.

## TL;DR

- 3 member(s): 0 open issue(s), 2 closed issue(s), 0 open PR(s), 0 merged PR(s), 1 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evidence (`STRUCTURAL_PARTIAL`): some members are connected by structural evidence (shared changed files, or a closing/superseded reference); the rest are joined by an automated relevance judgement over their text.
- Members outside that structural core may belong to a different underlying problem.
- Pairwise link density `0.45`: 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

- #16211: \[Bug\]: smart_model_routing config is accepted but not implemented in Docker/latest build
- #24338: Dead config key: smart_model_routing has no implementation

## Prior & competing PRs

- **#20678: feat(agent): implement minimal conservative smart-2-tier model routing**. closed without merge · fix tier `suggested`
  - maintainer direction: category `uncategorized`; implication `needs_llm`; refs `424e9f36b0fff2f34a0037f1df22996cc5a659aa`, `#12732`
  - _suggested-tier fix detail withheld; re-request with `?tier=all` to include it._

## Fix status

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