# NousResearch/hermes-agent · Gemini 3 thinking budget zero rejection workaround

## Open now

- Nothing open on GitHub.

A bug where passing \`thinkingBudget: 0\` to Gemini 3 Flash-Lite causes rejection during auxiliary title generation, with fixes exploring alternative approaches such as using a documented floor value or switching to \`thinkingLevel: minimal\`.

## TL;DR

- 4 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 2 PR(s) closed without merging.
- A fix was merged to main in PR #137989. Verify it addresses your case.
- **Recommended:** read PR #137989 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `unresolved`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.50`: the share of member 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.

## Closed / duplicate issues

- #123512: \[Bug\]: Gemini 3 Flash-Lite rejects the \`thinkingBudget: 0\` that auxiliary title generation sends, silently degrading session titles to the truncated first message

## Prior & competing PRs

- **#137989: fix(gemini): version-gated thinking for Gemini 3+ (incl. Argon); bounded long decode**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - 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`
- **#123546: fix(gemini): send thinkingLevel minimal instead of thinkingBudget 0 to Gemini 3**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `446508f44b0`, `4ec52fc9586`, `#137989`
- **#123553: fix(gemini): degrade the Gemini 3 thinking-off request to the documented floor**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `446508f44b0`, `4ec52fc9586`, `#137989`

## Fix status

- Merged to main in PR #137989 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-10-13`.
- Subsystem: `agent`