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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Anthropic: Claude Haiku 5.5 · 2026-10-15 06:04:01.168937 UTC
Current Model ListingOpenRouter
15 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[0] · Elo 1351 1348 Benchmarks · Design Arena[0] · Win Rate 59.9 59.3 Benchmarks · Design Arena[1] · Win Rate 50.1 50 Benchmarks · Design Arena[2] · Elo 1286 1296 Benchmarks · Design Arena[2] · Rank 16 14 -
Anthropic: Claude Haiku 5.5 · 2026-10-14 18:04:39.539860 UTC
Current Model ListingOpenRouter
12 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[0] · Elo 1355 1351 Benchmarks · Design Arena[0] · Rank 8 9 Benchmarks · Design Arena[0] · Win Rate 60.2 59.9 Benchmarks · Design Arena[1] · Elo 1280 1279 Benchmarks · Design Arena[1] · Rank 21 22 -
Anthropic: Claude Haiku 5.5 · 2026-10-14 00:05:10.852437 UTC
Current Model ListingOpenRouter
12 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[0] · Elo 1353 1355 Benchmarks · Design Arena[0] · Win Rate 60.5 60.2 Benchmarks · Design Arena[1] · Elo 1281 1280 Benchmarks · Design Arena[1] · Win Rate 50.3 50.1 Benchmarks · Design Arena[2] · Win Rate 54.3 54.5 -
Anthropic: Claude Haiku 5.5 · 2026-10-13 18:02:10.911719 UTC
Current Model ListingOpenRouter
15 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[0] · Elo 1357 1353 Benchmarks · Design Arena[0] · Rank 7 8 Benchmarks · Design Arena[0] · Win Rate 61 60.5 Benchmarks · Design Arena[1] · Elo 1282 1281 Benchmarks · Design Arena[1] · Rank 20 21 -
Anthropic: Claude Haiku 5.5 · 2026-10-13 03:20:37.815688 UTC
Current Model ListingOpenRouter
First recorded baseline; no earlier history is available.