# NousResearch/hermes-agent · Claude Opus 5 Bedrock context length fixes

## Open now

- Nothing open on GitHub.

A bug was identified where Claude 5 models (Sonnet 5, Opus 5) were missing from the BEDROCK_CONTEXT_LENGTHS table, causing them to fall back to a 128K context limit instead of 1M. Related changes add or correct these entries and update model picker availability for Opus 5 and 5.5 on Bedrock.

## TL;DR

- 3 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #122633. Verify it addresses your case.
- **Recommended:** read PR #122633 (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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 `0.67`: 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

- #74263: \[Bug\] BEDROCK_CONTEXT_LENGTHS has no Claude 5 entries — sonnet-5/opus-5 resolve to the 128K catch-all, compressor compacts 8x too early

## Prior & competing PRs

- **#122633: Claude Opus 5.5 shows in the Anthropic and Bedrock pickers; Bedrock Opus 5/5.5 get 1M context (salvage #119444, #75824)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/bedrock_adapter.py`, `contributors/emails/163799701+ryrenz@users.noreply.github.com`, `contributors/emails/JiaDe-Wu@users.noreply.github.com`, `contributors/emails/[redacted:email]`, `contributors/emails/[redacted:email]`, `hermes_cli/models_catalog_static.py`, `tests/agent/test_bedrock_adapter.py`
- **#75824: fix(bedrock): add Claude Opus 5 to the 1M context table (salvage #75432)**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `cda237464a51739e55ab13946a00272e548443e5`, `#122633`

## Fix status

- Merged to main in PR #122633 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-26`.
- Subsystem: `agent`