As of: 2026-10-20 02:15 CEST. Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/ Canonical page: https://postcutoff.com/p/x-arcprize-2110060578530001231/ # “DeepSeek V4.1 Flash from @deepseek_ai on ARC-AGI (Verified): - ARC-AGI-3: 3.3%, $878…” ARC Prize (@arcprize), X, 2026-10-13. Source: https://x.com/arcprize/status/2110060578530001231 ## Archived text > DeepSeek V4.1 Flash from @deepseek_ai on ARC-AGI (Verified): > > - ARC-AGI-3: 3.3%, $878 (provider adapter harness), 0.9%, $1.2k (standard harness) > > DeepSeek V4.1 Flash is the first model we've evaluated on ARC-AGI-3 to score above 3% for under $1k in total evaluation cost. Archived 2026-10-19 via fxtwitter (unofficial). Counts: 43,375 views, 320 likes, 18 reposts, 12 replies (at fetch time) Media: https://pbs.twimg.com/media/HUhw6hnXAAAnEW5.jpg?name=orig ## Cited in - 2026-10-15: [ARC Prize verifies Gemini 4 Argon at 97.5% on ARC-AGI-3 with Google's harness (49.8% standard), the second lab above 95%](https://postcutoff.com/e/2026-10-15-arc-agi-3-gemini-4-argon-97-5/)