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 Opus 5 (batch) · 2026-10-15 06:04:03.442023 UTC
Current Model ListingOpenRouter
9 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[10] · Elo 1331 1329 Benchmarks · Design Arena[10] · Rank 9 10 Benchmarks · Design Arena[10] · Win Rate 58.3 58.2 Benchmarks · Design Arena[11] · Elo 1341 1340 Benchmarks · Design Arena[11] · Win Rate 58.6 58.3 -
Anthropic: Claude Opus 5 (batch) · 2026-10-14 18:04:41.151851 UTC
Current Model ListingOpenRouter
13 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[11] · Elo 1342 1341 Benchmarks · Design Arena[11] · Rank 8 9 Benchmarks · Design Arena[11] · Win Rate 58.5 58.6 Benchmarks · Design Arena[13] · Elo 1349 1350 Benchmarks · Design Arena[13] · Rank 6 5 -
Anthropic: Claude Opus 5 (batch) · 2026-10-14 00:05:16.207833 UTC
Current Model ListingOpenRouter
11 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[10] · Elo 1333 1331 Benchmarks · Design Arena[11] · Elo 1341 1342 Benchmarks · Design Arena[11] · Rank 9 8 Benchmarks · Design Arena[12] · Elo 1313 1312 Benchmarks · Design Arena[12] · Win Rate 58.5 58.4 -
Anthropic: Claude Opus 5 (batch) · 2026-10-13 18:02:19.342271 UTC
Current Model ListingOpenRouter
7 Changed Fields
Field / Array Position Previous Value Observed Value Benchmarks · Design Arena[11] · Elo 1343 1341 Benchmarks · Design Arena[11] · Rank 7 9 Benchmarks · Design Arena[11] · Win Rate 59 58.5 Benchmarks · Design Arena[13] · Win Rate 60.5 60.6 Benchmarks · Design Arena[7] · Elo 1335 1334 -
Anthropic: Claude Opus 5 (batch) · 2026-10-13 03:20:51.392806 UTC
Current Model ListingOpenRouter
First recorded baseline; no earlier history is available.