Agent ultra reasoning effort clamping for aux/MoA calls
Cluster 112010. Data as of
Nothing open on GitHub. Fix merged in #112252 on 16 Sep 2026. Check it covers your case.
The short answer
- Known?
- Yes. 3 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #112252. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
resolved, deciding PR #112252. That is separate from the fix event. - Still open
- Nothing open on GitHub.
These items concern a bug where setting reasoning_effort to 'ultra' causes 400 errors on auxiliary and MoA chat-completion calls, and fixes to clamp that value to the accepted wire vocabulary before sending.
Open issues0
Open PRs0
Fixes on record
-
#112252 fix(agent): reasoning_effort ultra no longer 400s auxiliary and MoA calls (#112010, salvage #112019)
files:
agent/auxiliary_client.py,agent/reasoning_effort.py,agent/transports/chat_completions.py,tests/agent/test_auxiliary_client.py
1 PR closed without merging
From the close comments: merged via another change 1
-
#112019 fix(agent): clamp auxiliary ultra reasoning effort · merged via another change →
5435ac8,#112252
Closed issues · 1
- Closed#112010[Bug]: `agent.reasoning_effort: ultra` 400s every MoA turn — aux/MoA chat-completions path never clamps effort to the wire vocabulary
How this cluster was grouped
-
Link evidence (
structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference. -
Pairwise link density
0.67: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36.1.00means every pair is linked.
Pick up a Lab task
Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.
Open the LabAt a glance
- Merged PRs
- #112252
- Closed issues
- 1
- Attempts
- 1 PR closed without merging
- Fix link checked
- 16 Sep 2026