ixio
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model profile
Excellent

Claude Opus 4.8

Anthropic·claude-opus-4-8
Rank · overall#6
Score86.9

Benchmark scores

12 benchmarks
SWE-bench Verified88.6%
% Resolved · 2026-05-28
ixio runs100%
Pass rate · 2026-07-09
Chatbot Arena (Coding)1562Coding Elo
ARC-AGI78%
Score
Arena Agent9.22%
Net Improvement · ± 1.53
WebDev Arena1563WebDev Elo · ± 7
Stratix Cup100Tournament score
FrontierMath (Tier 4)56.1%
Accuracy · ± 7.8
MCP Atlas82.2Score
SkillsBench54.1Score
MathArena Apex81.3%
Accuracy
BrowseComp88.5%
Accuracy

Across harnesses

2 agents
Claude CodeCLI
—100%——————————
100
mini-SWE-agentAgent
—100%——————————
100

Per-benchmark score · composite per harness. Tap a row to open that board.

Scraped and aggregated from public leaderboards · 2026-09-05