Skip to content
Slow Variables

Ask the data

Answers come from the same store as the site; every number is checked against the record it cites.

Indicators / series

epoch_bench.gpt_5_5_pro_xhigh.arc_agi_2.pt

Source: Epoch AI benchmarks and Capabilities Index (Epoch AI) · CC BY 4.0 · CSV

Epoch AI, Benchmarking Hub and Epoch Capabilities Index (CC BY 4.0)

idvaluegradeas of datepublished datetieraudited vs reportedextraction methodreview statusretrieved athttp statuscontent hashsupersedes idurlflags
8838aab81eefa5c184.2%grade B, evidence tier 62026-04-232026-04-236reportedapiapproved2026-09-10T06:33:11.514623Z200cde2f74ecf00source page
Raw snippets and dispute text
  • 8838aab81eefa5c1 {"Cost per task": "10.76", "Model version": "gpt-5.5-pro_xhigh", "Name": "GPT-5.5 Pro (xHigh)", "Organization": "OpenAI", "Release date": "2026-04-23", "Score": "0.8416"}