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Virtual Cell Challenge

Predict how cells respond to gene knockdowns they have never seen. 440+ teams. Goal: win it. Official board →

Arc Institute · Virtual Cell Challenge 2026

Cellulation

Oct 26

Rank 233 / 1635 goal #1
Score
+0.2140
#1
+0.4720
Gap to #1
0.2580
Gap to top 10
—
Aug 27 → Oct 26 · up is better

Predict how 300 gene knockdowns change single-cell expression in cell types the model has never seen. 360,000 cells × 18,533 genes per submission, six metrics.

Date Rank Score #1 Note
2026-10-26 233 / 1635 +0.2140 +0.4720 submission 54
2026-10-25 233 / 1635 +0.2140 +0.4720 submission 54
2026-10-24 233 / 1635 +0.2140 +0.4720 submission 54
2026-10-23 233 / 1635 +0.2140 +0.4720 submission 54
2026-10-22 233 / 1635 +0.2140 +0.4720 submission 53
2026-10-21 236 / 1617 +0.2140 +0.4716 submission 53
2026-10-20 224 / 1585 +0.2145 +0.4734 submission 52
2026-10-19 224 / 1578 +0.2145 +0.4689 submission 52
2026-10-18 233 / 1572 +0.2145 +0.4709 submission 52
2026-10-17 229 / 1564 +0.2141 +0.4670 submission 51
2026-10-16 258 / 1556 +0.2054 +0.4670 submission 50
2026-10-15 226 / 1524 +0.2134 +0.4610 submission 49
2026-10-14 333 / 1516 +0.1850 +0.4729 submission 48
2026-10-13 263 / 1496 +0.2066 +0.4665 submission 45
2026-10-12 233 / 1479 +0.2133 +0.4625 submission 43
2026-10-11 221 / 1453 +0.2133 +0.4557 submission 43
2026-10-10 208 / 1437 +0.2133 +0.4536 submission 43
2026-10-09 208 / 1413 +0.2133 +0.4503 submission 43
2026-10-08 180 / 1386 +0.2133 +0.4372 submission 43
2026-10-07 170 / 1370 +0.2133 +0.4340 submission 43
2026-10-06 149 / 1332 +0.2133 +0.4350 submission 43
2026-10-05 146 / 1329 +0.2133 +0.4346 submission 43
2026-10-04 139 / 1301 +0.2133 +0.4339 submission 43
2026-10-03 120 / 1291 +0.2131 +0.4339 submission 42
2026-10-02 134 / 1275 +0.2075 +0.4321 submission 39
2026-10-01 120 / 1257 +0.2081 +0.4289 submission 37
2026-09-30 124 / 1230 +0.2081 +0.4192 submission 37
2026-09-29 116 / 1214 +0.2081 +0.4185 submission 37
2026-09-28 92 / 1198 +0.2081 +0.3797 submission 37
2026-09-27 72 / 1174 +0.2081 +0.3573 submission 37
2026-09-26 60 / 1172 +0.2081 +0.3579 submission 37
2026-09-25 58 / 1149 +0.2052 +0.3490 submission 36
2026-09-24 59 / 1128 +0.2052 +0.3548 submission 36
2026-09-23 52 / 1115 +0.2052 +0.3421 submission 36
2026-09-22 43 / 1085 +0.2049 +0.3598 submission 32
2026-09-21 39 / 1086 +0.2065 +0.3598 submission 30
2026-09-20 36 / 1065 +0.2065 +0.3449 submission 30
2026-09-19 34 / 1045 +0.2065 +0.3452 submission 30
2026-09-18 31 / 1027 +0.2069 +0.3304 submission 27
2026-09-17 35 / 1010 +0.2069 +0.3080 submission 27
2026-09-16 24 / 988 +0.2069 +0.2916 submission 27
2026-09-15 32 / 957 +0.2069 +0.2763 submission 27
2026-09-14 31 / 939 +0.2066 +0.2812 submission 26
2026-09-13 26 / 923 +0.2066 +0.2629 submission 26
2026-09-12 25 / 907 +0.2066 +0.2603 submission 26
2026-09-11 25 / 884 +0.2066 +0.2872 submission 26
2026-09-10 17 / 846 +0.2066 +0.2630 submission 26
2026-09-09 18 / 829 +0.2062 +0.2630 submission 24
2026-09-08 6 / 795 +0.2052 +0.2419 submission 22
2026-09-07 6 / 760 +0.2036 +0.2389 submission 21
2026-09-06 10 / 731 +0.1949 +0.2362 submission 20
2026-09-05 6 / 698 +0.1949 +0.2279 submission 20
2026-09-04 8 / 663 +0.1949 +0.2243 submission 18
2026-08-29 20 / 441 +0.1517 +0.2112 submission 8
2026-08-27 131 / 292 +0.0171 +0.1668 Early submissions