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NousResearch/hermes-agent

Gemini 3 thinking config: thinkingBudget vs thinkingLevel handling

Cluster 135176 · agent. Data as of

Nothing open on GitHub. Fix merged in #137989 on 13 Oct 2026. Check it covers your case.

The short answer

0open issues
0open PRs
3items grouped
Known?
Yes. 3 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #137989. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #137989. That is separate from the fix event.
Still open
Nothing open on GitHub.

These members all concern how reasoning/thinking is disabled for Gemini 3 and later models, covering the deprecated thinkingBudget: 0 setting and use of thinkingLevel or version-gated logic instead. One also mentions bounded long decode, which goes beyond the shared theme.

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.

  • #137989 fix(gemini): version-gated thinking for Gemini 3+ (incl. Argon); bounded long decode

    merged to main

    files: agent/auxiliary_client.py, agent/gemini_long_decode.py, agent/gemini_native_adapter.py, agent/transports/chat_completions.py, agent/turn_usage.py, run_agent.py, tests/agent/test_gemini_long_decode.py, tests/agent/test_gemini_stream_resume.py, tests/agent/test_gemini_thinking_config.py, tests/agent/test_run_budget.py, tests/agent/test_turn_usage_log_line.py, tests/agent/test_unsupported_temperature_retry.py, tests/fixtures/provider_wire_snapshot.json

1 PR closed without merging

From the close comments: done elsewhere 1

  • #135335 fix(gemini): disable thinking with thinkingLevel on Gemini 3 · done elsewhere → 446508f, 4ec52fc, #137989
Closed issues · 1
  • Closed#135176Gemini 3: thinkingBudget: 0 sent when reasoning is disabled; deprecated, will 400 on upcoming models
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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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
Merged PRs
#137989
Closed issues
1
Attempts
1 PR closed without merging
Fix link checked
13 Oct 2026

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