Catalog Changes
Version history starts when recording is enabled. Versions are created when reported values, array items or listing availability change. Array differences align positions, not inferred identities. The first observation is a baseline; unchanged downloads update last observation time.
Catalog Changes
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Upstage: Solar Pro 4 · 2026-10-15 06:04:03.103578 UTC
Current Model ListingOpenRouter
2 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[1] · Elo 1177 1179 Benchmarks · Design Arena[5] · Rank 74 75 -
Upstage: Solar Pro 4 · 2026-10-14 18:04:40.895707 UTC
Current Model ListingOpenRouter
8 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[1] · Elo 1179 1177 Benchmarks · Design Arena[1] · Rank 55 56 Benchmarks · Design Arena[2] · Elo 1185 1184 Benchmarks · Design Arena[2] · Rank 62 63 Benchmarks · Design Arena[4] · Elo 1175 1173 -
Upstage: Solar Pro 4 · 2026-10-14 00:05:15.981539 UTC
Current Model ListingOpenRouter
6 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[1] · Elo 1180 1179 Benchmarks · Design Arena[2] · Elo 1186 1185 Benchmarks · Design Arena[3] · Elo 1180 1179 Benchmarks · Design Arena[3] · Rank 63 64 Benchmarks · Design Arena[4] · Elo 1176 1175 -
Upstage: Solar Pro 4 · 2026-10-13 18:02:18.633836 UTC
Current Model ListingOpenRouter
5 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[1] · Rank 54 55 Benchmarks · Design Arena[2] · Rank 61 62 Benchmarks · Design Arena[4] · Rank 62 63 Benchmarks · Design Arena[5] · Elo 1154 1152 Benchmarks · Design Arena[5] · Rank 73 75 -
Upstage: Solar Pro 4 · 2026-10-13 03:20:49.287671 UTC
Current Model ListingOpenRouter
First recorded baseline; no earlier history is available.