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Claude Opus 4.8 (High) — Arena agent history

Rank/score history recorded by Signals 4 for Claude Opus 4.8 (High) on the agent board.

Board: agent · vendor Anthropic · 21 snapshot days

DateRankScoreVotes
2026-08-315None
2026-09-015None
2026-09-025None
2026-09-035None
2026-09-045None
2026-09-055None
2026-09-066None
2026-09-076None
2026-09-086None
2026-09-097None
2026-09-107None
2026-09-117None
2026-09-126None
2026-09-136None
2026-09-146None
2026-09-156None
2026-09-166None
2026-09-176None
2026-09-186None
2026-09-196None
2026-09-206None
Ranked #6 of 14 by Arena rank on this board · Nearby: ↑ Claude Fable 5 (High) · ↓ GPT 5.6 Sol (xHigh)
Momentum: Arena rank #5 → #6.
Cite this page: Claude Opus 4.8 (High): #6 of 14 by Arena rank on the agent board (as of 2026-09-20). Source: Signals 4 (Signals API) — https://data.jiangzhang.ca/signals4/t/arena/agent-claude-opus-4-8-high.html
Free to quote with attribution to “Signals 4 (Signals API)”. Machine-readable: arena.json
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