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NousResearch/hermes-agent

Kimi K2 HTTP 400 thinking/reasoning_effort conflict fixes

Cluster 16875. Data as of

Nothing open on GitHub. Fix merged in #18271 on 1 May 2026. Check it covers your case.

The short answer

0open issues
0open PRs
4items grouped
Known?
Yes. 4 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #18271. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #18271. That is separate from the fix event.
Still open
Nothing open on GitHub.

Multiple bug reports and fix attempts addressing HTTP 400 errors when OpenCode Go sends both 'thinking' and 'reasoning_effort' parameters simultaneously to Kimi K2 models. Also includes adjacent work on Moonshot schema cleanup and minor catalog/routing changes for Kimi and related models.

Open issues0

No open issues.

Open PRs0

No open pull requests.

Fixes on record

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

  • #18271 fix(moonshot): strip null-type anyOf branches + null/empty enum values (salvages #18177)

    merged to main

    files: agent/moonshot_schema.py, scripts/release.py, tests/agent/test_moonshot_schema.py

2 PRs closed without merging

From the close comments: closed without comment 1 · merged via another change 1

  • #17011 fix(opencode-go): normalize Kimi and MiMo runtime routing · closed without comment
  • #18177 fix(moonshot): fill missing type before enum cleanup · merged via another change → #18271, #16875
Closed issues · 1
  • Closed#16875[Bug]: HTTP 400 error when using kimi-k2.6 model via OpenCode Go in Hermes Agent
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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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.

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At a glance

Merged PRs
#18271
Closed issues
1
Attempts
2 PRs closed without merging
Fix link checked
1 May 2026

For your agent

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