Big movesOctober 18, 2026Impact
DeepSeek V4.1 Flash climbs from #20 to #10 on LMArena WebDev
On the LMArena WebDev leaderboard published Oct 18, 2026, DeepSeek V4.1 Flash rose 10 places to #10 (1670).
Why it matters
Large single-update moves usually follow a model update or a wave of new votes.
The details
- Previous update: #20. Now: #10 with 1670.
Models in this story
Provenance: LMArena leaderboard published Oct 18, 2026; ratings from blind pairwise votes. Generated automatically from the published data. Sources: LMArena WebDev leaderboard · LMArena leaderboard dataset (CC BY 4.0) See the race.