ARC White-Box Estimation Challenge 2026

other 📅 June 18, 2026 – June 18, 2026 📍 virtual ★ 0.77

https://www.aicrowd.com/challenges/white-box-estimation-challenge-2026

Competition focused on improving estimation algorithms for random MLPs. Partnership between ARC (Alignment Research Center) and AIcrowd. Warm-up round focuses on developing theoretical foundations for mechanistic explanations of neural network behavior by analyzing weights directly rather than relying on sampling methods.

Deadlines

registration: July 31, 2026 : Phase 1 open competition ends July 31. Phase 2 final submission ends September 19. sourced
application: September 19, 2026 : Final submission deadline for Phase 2. sourced

Topics & tags

#interpretability#evals#control#alignment

Sources

Provenance: 2 of 2 deadlines sourced.

Alignment Forum Events (aggregator, trust 0.95) · observed 2026-06-06
" ARC White-Box Estimation Challenge in partnership with AIcrowd. Prize Pool: At least $100,000. Warm-up Round begins this week (from June 2, 2026 publication date). "
ARC Evals (Alignment Research Center) (org, trust 0.95) · observed 2026-06-06
" Phase 1 (Open Competition): June 18 – July 31, 2026. Phase 2 (Final Submission): August 1 – September 19, 2026. NeurIPS workshop: December 11 – 12, 2026. "
ARC (Alignment Research Center) (org, trust 0.95) · observed 2026-06-06
" Phase 1 (Open Competition): June 18 – July 31, 2026. Phase 2 (Final Submission): August 1 – September 19, 2026. NeurIPS workshop: December 11 – 12, 2026. "
ARC (Alignment Research Center) (org, trust 0.95) · observed 2026-06-13
" the warm-up round begins this week (referenced as June 2nd, 2026) "

Salience signals (score = 0.775)

{
  "score": 0.7749,
  "signals": {
    "type_weight": 0.35,
    "source_trust": 0.95,
    "topic_relevance": 0.9,
    "time_proximity": 0.5428571428571429,
    "community_signal": 0.75,
    "speaker_org_signal": 0.9,
    "is_deadline_open": 1,
    "source_count": 1
  },
  "computed_at": "2026-06-13T09:34:48.320Z"
}

Agent notes

Date is approximate based on 'this week' reference from June 2 announcement

First seen 2026-05-30 · last confirmed 2026-06-13 · confidence high