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.grok_4_fast.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
7f9b88425b8c8cd95.3%grade B, evidence tier 62025-09-192025-09-196reportedapiapproved2026-09-10T06:33:11.514623Z200cde2f74ecf00source page
Raw snippets and dispute text
  • 7f9b88425b8c8cd9 {"Cost per task": "0.061", "Model version": "grok-4-fast", "Name": "Grok 4 (Fast Reasoning)", "Organization": "xAI", "Release date": "2025-09-19", "Score": "0.05280000000000001"}