NousResearch/hermes-agent

Misclassified reasoning_effort 400 errors in agent

Cluster 100536 · agent. Data as of

1 open item. Fix merged in #115736 on 19 Sep 2026. Check it covers your case.

The short answer

0open issues
1open PR
4items grouped
Known?
Yes. 4 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #115736. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #115736. That is separate from the fix event.
Still open
0 issues and 1 PR.

These issues and fixes address a bug where invalid reasoning_effort parameter 400 errors are incorrectly classified as context overflow, causing unintended compression or failure instead of proper error recovery.

Open issues0

No open issues.

Open PRs1

  • PR#100550fix(agent): preserve invalid reasoning effort errors without compression

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

  • #115736 fix(agent): enum-style and structured reasoning_effort 400s recover instead of failing or compressing (#115277, #100536, salvage #115281)

    merged to main

    files: agent/chat_completion_helpers.py, agent/error_classifier.py, agent/turn_recovery.py, tests/agent/test_auxiliary_parameter_rung_chaining.py, tests/agent/test_error_classifier.py, tests/agent/test_reasoning_disable_recovery.py

1 PR closed without merging

From the close comments: other 1

  • #100596 fix(agent): reasoning-effort validation 400s are format errors, not context overflow · other
Closed issues · 1
  • Closed#100536[Bug]: custom Responses `invalid_reasoning_effort` 400 is misclassified as context_overflow, triggering bogus compression
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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 0.50: the share of item 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.

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 Lab

At a glance

Subsystem
agent
Merged PRs
#115736
Closed issues
1
Attempts
1 PR closed without merging
Fix link checked
19 Sep 2026

For your agent

The same facts, typed.