Anthropic will hold the top spot on the Code Arena | WebDev leaderboard with claude-fable-5. The arena currently lists 98 models and claude-fable-5 is sitting at rank one with an Elo score of 1653+15/-15 after its June 9, 2026 launch. Z.ai's GLM-5.2 (max) will remain the closest challenger at 1584+…