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Steven Chong
056f970881
Grok was imaging on the Responses path with no readability data. Add eval/grok-density: density ladder, climb receipts, and a live image-vs-factsheet comparison on grok-4.5. Findings locked into the receipts: - Production 5x8 image-only confabulates exact IDs (0/4). - Image + factsheet clears 4/4 exact, 0 confab, gist+guard ok (~70% fixture savings). - Looser pure-image packing can clear exact recall but only ~30% savings — not worth the default. Supports keeping Grok opt-in with dense 5x8 + factsheet when enabled.
1.1 KiB
1.1 KiB
Grok climb — densest packing that matches the Opus bar
Live binary-search climb on grok-4.5, 2026-07-09.
Goal: 4/4 exact, 0 confab, gist ok, guard ok, densest packing first.
Image savings use measured Grok billing (~1000 tok/MPix), not the GPT tile model.
Result
Best so far: spleen5x8_aa_d4_c84 at ~30% savings.
{
"stripCols": 84,
"maxHeightPx": 1932,
"style": {
"cellWBonus": 4,
"cellHBonus": 4,
"aa": true,
"grid": false,
"colorCycle": false
},
"font": "spleen5x8"
}
Ladder (Spleen 5x8, AA)
| id | exact | confab | save | dims |
|---|---|---|---|---|
spleen5x8_aa_d0_c152 |
0/4 | 4 | ~76% | 768x360 |
spleen5x8_aa_d2_c108 |
2/4 | 2 | ~70% | 764x458 |
spleen5x8_aa_d3_c95 |
2/4 | 2 | ~37% | 768x954 |
spleen5x8_aa_d4_c84 |
4/4 | 0 | ~30% | 764x1064 |
Notes
- Production packing (d0) confabulates exact IDs.
- d2/d3 improve but still confab hex/port.
- d4 (cell bonus 4/4, stripCols 84) clears Opus bar at ~30% real savings.
- Font/atlas swaps are eval-only; production still ships Spleen 5x8.