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 Sonnet 5.5 · 2026-10-15 06:04:01.592077 UTC
Current Model ListingOpenRouter
12 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[0] · Elo 1452 1455 Benchmarks · Design Arena[0] · Win Rate 69.2 69.5 Benchmarks · Design Arena[1] · Elo 1365 1364 Benchmarks · Design Arena[1] · Win Rate 60.5 60.3 Benchmarks · Design Arena[3] · Elo 1455 1470 -
Anthropic: Claude Sonnet 5.5 · 2026-10-14 18:04:39.838908 UTC
Current Model ListingOpenRouter
9 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[0] · Elo 1477 1452 Benchmarks · Design Arena[0] · Win Rate 71.6 69.2 Benchmarks · Design Arena[1] · Elo 1367 1365 Benchmarks · Design Arena[1] · Win Rate 60.7 60.5 Benchmarks · Design Arena[3] · Elo 1456 1455 -
Anthropic: Claude Sonnet 5.5 · 2026-10-14 00:05:11.398139 UTC
Current Model ListingOpenRouter
12 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[0] · Elo 1484 1477 Benchmarks · Design Arena[0] · Rank 1 3 Benchmarks · Design Arena[0] · Win Rate 73.2 71.6 Benchmarks · Design Arena[1] · Elo 1366 1367 Benchmarks · Design Arena[1] · Win Rate 60.8 60.7 -
Anthropic: Claude Sonnet 5.5 · 2026-10-13 18:02:12.341359 UTC
Current Model ListingOpenRouter
13 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[0] · Elo 1485 1484 Benchmarks · Design Arena[0] · Win Rate 73.6 73.2 Benchmarks · Design Arena[1] · Elo 1368 1366 Benchmarks · Design Arena[1] · Rank 2 3 Benchmarks · Design Arena[1] · Win Rate 61.2 60.8 -
Anthropic: Claude Sonnet 5.5 · 2026-10-13 03:20:39.853222 UTC
Current Model ListingOpenRouter
First recorded baseline; no earlier history is available.