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NousResearch/hermes-agent

Claude Opus 5.5 thinking-disabled 400 error fix

Cluster 120069 · agent. Data as of

2 open items. Fix attempted, not merged.

The short answer

0open issues
2open PRs
3items grouped
Known?
Yes. 3 related items grouped here, 1 issue already closed.
Fix event
No fix has been merged to main. see the attempts below.
Tracker
The maintainers' tracker marks this unresolved. That is separate from the fix event.
Still open
0 issues and 2 PRs.

Claude Opus 5.5 rejects the thinking.type=disabled parameter, causing HTTP 400 errors on title generation and reasoning-off requests. These members address omitting that parameter for this model to prevent the failures.

Open issues0

No open issues.

Open PRs2

  • PR#120075fix(anthropic): keep claude-opus-5-5 on the mandatory-thinking omission list
  • PR#121016Thinking-off turns no longer 400 on Claude Opus 5.5 (fixes #120069, salvage #119419)
Closed issues · 1
  • Closed#120069Anthropic adapter: claude-opus-5-5 rejects thinking.type=disabled, so title generation and /reasoning none fail with HTTP 400
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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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. 1.00 means every pair is linked.

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At a glance

Subsystem
agent
Closed issues
1
Attempts
0 PRs closed without merging

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