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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OpenAI: GPT-5.5 (batch) · 2026-10-15 06:04:05.105295 UTC
Current Model ListingOpenRouter
10 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[13] · Elo 1196 1198 Benchmarks · Design Arena[13] · Win Rate 49.5 49.4 Benchmarks · Design Arena[14] · Rank 13 14 Benchmarks · Design Arena[16] · Elo 1266 1264 Benchmarks · Design Arena[16] · Rank 26 27 -
OpenAI: GPT-5.5 (batch) · 2026-10-14 18:04:42.681349 UTC
Current Model ListingOpenRouter
13 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[13] · Elo 1198 1196 Benchmarks · Design Arena[13] · Rank 48 49 Benchmarks · Design Arena[15] · Elo 1263 1262 Benchmarks · Design Arena[15] · Rank 34 35 Benchmarks · Design Arena[15] · Win Rate 53.2 53.1 -
OpenAI: GPT-5.5 (batch) · 2026-10-14 00:05:26.189027 UTC
Current Model ListingOpenRouter
9 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[15] · Win Rate 53.3 53.2 Benchmarks · Design Arena[16] · Elo 1267 1266 Benchmarks · Design Arena[17] · Win Rate 57.4 57.3 Benchmarks · Design Arena[18] · Elo 1235 1234 Benchmarks · Design Arena[18] · Win Rate 55.3 55.2 -
OpenAI: GPT-5.5 (batch) · 2026-10-13 18:02:21.847192 UTC
Current Model ListingOpenRouter
13 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[13] · Elo 1199 1198 Benchmarks · Design Arena[13] · Rank 47 48 Benchmarks · Design Arena[14] · Rank 12 13 Benchmarks · Design Arena[15] · Rank 33 34 Benchmarks · Design Arena[17] · Rank 18 19 -
OpenAI: GPT-5.5 (batch) · 2026-10-13 03:21:01.309555 UTC
Current Model ListingOpenRouter
First recorded baseline; no earlier history is available.