Per-dish gallery - best & worst

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Each model's read on the shipped flow (photo + a terse user caption) vs ground truth, for the dishes the models collectively get closest and furthest. Each macro cell shows the value and its signed % error (+ = over-estimate): ≤15% / ≤35% / >35%. Ranked by mean error across calories, fat, carbs & protein over 99 dishes all 4 models scored; mass shown as grams.

Best 5 - models nail these

Simple, well-separated plates where the photo + caption pin the portions.

dish_1568060697

“Had mixed greens with avocado and some onion.”

source	Calories	Mass	Fat	Carbs	Protein
Ground truth	134 kcal	161 g	10 g	12 g	3 g
Gemini 2.5 Flash-Lite	183 +37%	220 g	15 +54%	14 +14%	3 +6%
Gemini 2.5 Flash	133 -1%	180 g	11 +8%	10 -18%	3 +3%
Claude Opus 4.7	141 +5%	180 g	10 +6%	11 -7%	3 +3%
Claude Opus 4.8	143 +7%	210 g	10 +6%	12 -1%	3 +6%

dish_1562086595

“Had some scrambled eggs, fruit salad, and a bit of yogurt.”

source	Calories	Mass	Fat	Carbs	Protein
Ground truth	309 kcal	324 g	15 g	27 g	18 g
Gemini 2.5 Flash-Lite	341 +10%	330 g	18 +20%	26 -4%	19 +5%
Gemini 2.5 Flash	321 +4%	343 g	16 +8%	22 -16%	23 +27%
Claude Opus 4.7	297 -4%	300 g	18 +18%	16 -40%	12 -35%
Claude Opus 4.8	327 +6%	313 g	19 +28%	18 -33%	18 +2%

dish_1565370004

“Had scrambled eggs with bacon, green beans, and a bit of olive oil.”

source	Calories	Mass	Fat	Carbs	Protein
Ground truth	571 kcal	370 g	42 g	11 g	37 g
Gemini 2.5 Flash-Lite	452 -21%	285 g	33 -21%	9 -23%	29 -20%
Gemini 2.5 Flash	619 +8%	354 g	48 +14%	12 +7%	37 +0%
Claude Opus 4.7	457 -20%	260 g	36 -15%	9 -20%	26 -29%
Claude Opus 4.8	496 -13%	276 g	38 -9%	10 -12%	27 -27%

dish_1551374783

“Grabbed a banana, a lemon, and some cauliflower for a quick bite.”

source	Calories	Mass	Fat	Carbs	Protein
Ground truth	134 kcal	267 g	1 g	35 g	3 g
Gemini 2.5 Flash-Lite	129 -3%	250 g	1 -0%	33 -7%	4 +7%
Gemini 2.5 Flash	193 +45%	350 g	1 +31%	49 +40%	5 +41%
Claude Opus 4.7	108 -19%	220 g	1 -13%	28 -21%	3 -8%
Claude Opus 4.8	141 +6%	260 g	1 -13%	37 +4%	4 +4%

dish_1562691064

“Had scrambled eggs with fried rice, roasted potatoes, and broccoli, plus some berries and pineapple.”

source	Calories	Mass	Fat	Carbs	Protein
Ground truth	555 kcal	501 g	24 g	65 g	22 g
Gemini 2.5 Flash-Lite	580 +4%	510 g	17 -29%	124 +91%	23 +5%
Gemini 2.5 Flash	578 +4%	490 g	16 -31%	89 +37%	22 -2%
Claude Opus 4.7	580 +4%	475 g	22 -8%	78 +20%	16 -25%
Claude Opus 4.8	623 +12%	515 g	24 -1%	68 +4%	22 +0%

Worst 5 - every model misses

Dense, mixed, or visually ambiguous plates where portion size is hard to read.

dish_1565809120

“Had tuna with bell peppers, onions, cherry tomatoes, carrot, and lemon juice.”

source	Calories	Mass	Fat	Carbs	Protein
Ground truth	366 kcal	502 g	2 g	23 g	63 g
Gemini 2.5 Flash-Lite	390 +7%	295 g	20 +1065%	7 -68%	41 -35%
Gemini 2.5 Flash	1613 +341%	772 g	129 +7347%	42 +82%	73 +16%
Claude Opus 4.7	236 -35%	315 g	2 +4%	14 -38%	40 -36%
Claude Opus 4.8	245 -33%	300 g	2 +15%	11 -52%	45 -28%

dish_1565813414

“Had some tofu with raw spinach and radishes, drizzled with olive oil and vinegar, plus a few blueberries.”

source	Calories	Mass	Fat	Carbs	Protein
Ground truth	140 kcal	179 g	10 g	4 g	13 g
Gemini 2.5 Flash-Lite	456 +227%	325 g	42 +326%	31 +696%	27 +106%
Gemini 2.5 Flash	534 +282%	446 g	30 +201%	52 +1228%	18 +41%
Claude Opus 4.7	233 +67%	245 g	12 +17%	23 +477%	12 -5%
Claude Opus 4.8	381 +173%	265 g	27 +170%	9 +134%	31 +140%

dish_1560270630

“Had a snack of pineapple, watermelon, and a sweet potato.”

source	Calories	Mass	Fat	Carbs	Protein
Ground truth	121 kcal	215 g	0 g	29 g	2 g
Gemini 2.5 Flash-Lite	224 +86%	400 g	1 +233%	55 +88%	4 +131%
Gemini 2.5 Flash	180 +49%	300 g	0 +122%	43 +47%	3 +107%
Claude Opus 4.7	196 +63%	270 g	3 +1678%	40 +38%	2 +46%
Claude Opus 4.8	213 +77%	325 g	2 +1067%	47 +60%	3 +107%

dish_1551395800

“Had white rice with asparagus and pineapple.”

source	Calories	Mass	Fat	Carbs	Protein
Ground truth	91 kcal	118 g	0 g	21 g	2 g
Gemini 2.5 Flash-Lite	249 +175%	300 g	1 +183%	56 +170%	6 +201%
Gemini 2.5 Flash	215 +137%	265 g	1 +183%	48 +134%	5 +160%
Claude Opus 4.7	159 +75%	190 g	2 +749%	31 +53%	4 +99%
Claude Opus 4.8	226 +149%	260 g	3 +1126%	46 +121%	5 +170%

dish_1561578226

“Lunch was eggplant, cauliflower, and a salad with feta and vinaigrette.”

source	Calories	Mass	Fat	Carbs	Protein
Ground truth	119 kcal	289 g	7 g	14 g	4 g
Gemini 2.5 Flash-Lite	582 +388%	380 g	40 +503%	41 +196%	9 +112%
Gemini 2.5 Flash	400 +236%	390 g	28 +318%	33 +138%	9 +110%
Claude Opus 4.7	338 +184%	367 g	24 +265%	22 +62%	9 +120%
Claude Opus 4.8	276 +132%	312 g	19 +187%	18 +27%	8 +89%

Nutrition5K camera-C frame 10. Condition macroshot_cam_text_terse. GT from data/prompts.json.