# Bench report — full-opus48-v3

Model **claude-opus-4-8** (claude-cli), engine in-process, KiCad `10.0.3`, 62 tasks (pcbbench).

## Headline — KiCad-judged pass rate

| checkpoint | graded | pass | rate | Easy | Medium | Hard |
|---|---|---|---|---|---|---|
| model alone (round 0) | 62 | 26 | 41.9% | 8/17 | 12/28 | 6/17 |
| with Ohmatic loop (final) | 62 | 62 | 100.0% | 17/17 | 28/28 | 17/17 |

In-house Ohmatic ERC (parallel column, not the judge): round0 17/62, final 62/62.

Repair: mean rounds 2.226, converged_within {'1': 17, '2': 46, '3': 53, '4': 58, '5': 60, '6': 62, '7': 62, '8': 62, '9': 62, '10': 62}, unconverged none.

## KiCad ERC violation histogram (errors)

| type | round 0 | final |
|---|---|---|
| power_pin_not_driven | 5 | 0 |

## Verdict counts

- round 0: {'pass': 26, 'schema_invalid': 32, 'unparseable': 1, 'kicad_erc_fail': 3}
- final: {'pass': 62}

## Harness honesty

- harness errors round0: none
- harness errors final: none
- connectivity self-check failures: none