ALE-Agent
Model ● Covered in 4 stories + Follow
ALE-Agent is an AI coding agent developed by Sakana AI built on Gemini 2.5 Pro that competes in optimization programming contests. The agent won first place in AtCoder Heuristic Contest 058 in December 2025, defeating 804 human participants in a 4-hour competition through parallel LLM calls and iterative refinement, and previously achieved 21st place in a live AtCoder Heuristic Competition in May 2025.
Updated 7 August 2026
Specifications
No specifications recorded yet.
Latest developments
Towards Automating Long-Horizon Algorithm Engineering for Hard Optimization Problems
Sakana AI ·
11
AI Agent Wins First Place in Optimization Programming Contest
Sakana AI ·
8
Sakana AI Agent Wins AtCoder Heuristic Contest (First AI to Place 1st)
Sakana AI ·
9
Introducing Sakana AI’s Recursive Self-Improvement (RSI) Lab
Sakana AI ·
12
July 2026
Sakana AI's ALE-Agent wins first place in AtCoder Heuristic Contest 058 Benchmark result
Sakana AI Announces RSI Lab and Applied Team for Recursive Self-Improvement and Enterprise AI Deployment Product launch
Relationships
Products & technology
- Sakana AI develops this model · 4 sources
- Integrated with Gemini 2.5 Pro · 1 source