vibetest: same prompt, 5 agent harnesses

Run on 2026-10-24. Context: this tweet by Samuel Albanie.

Can you make some visualizations based on public benchmarks to help me estimate the gap between china & the west in frontier AI based on the kimi 3.1 results & those of the strongest western models?
HarnessModelReasoning effortHeadline resultPage
Claude CodeClaude Opus 5.5xhigh ~1 month behind on agentic & office work; ~4.5 months (range 1.7–6) on broad capability open
CodexGPT-6 Astramax 2.5 index points behind Opus 5.5 (55.1 vs 57.6), 31 days on the composite; big gap on science workflows (34 vs 63) open
Muse CodeMuse Wonder Full 1.0max 3 composite points behind (55 vs 58); ≈0 months on agentic work, ≈2–4 months overall open
Prime AgentGemini 4 Argonhigh 1.0–4.5 months behind depending on the index; 2.5 points behind Opus 5.5 on AA open
Prime AgentKimi K3.1 Promax 3 points behind in aggregate (55 vs 58), leads 2 of 10 components; declines to give a months figure open

Pages are uploaded as each harness produced them, unedited. Muse Code's prompt also said "(in a html page)"; Codex first answered in chat and got one follow-up, "do a html page please".