InteractBench: Benchmarking LLMs on Competitive Programming under Unrevealed Information

arXiv:2608.29632 · cs.SE, cs.AI, cs.CL · Submitted 2026-08-30 · Read on arXiv

cs.SE, cs.AI, cs.CL

Submitted: 2026-08-30

Updated: 2026-08-30

Code: https://github.com/kmsgk0/InteractBench

Terminology

• Benchmarking — 63× in this paper · explained in 3 episodes
• Benchmark — 35× in this paper · explained in 2 episodes
• Iterative Refinement — 9× in this paper · explained in 3 episodes
• Robustness — 8× in this paper · explained in 5 episodes
• Failure Taxonomy — 5× in this paper · explained in 2 episodes
• Verification — 5× in this paper · explained in 2 episodes
• Trace — 4× in this paper · explained in 2 episodes
• Adaptivity — 2× in this paper · explained in 1 episode
• Core — 2× in this paper · explained in 2 episodes
• Fidelity — 2× in this paper · explained in 2 episodes
• Large Language Models (LLMs) — 2× in this paper · explained in 6 episodes
• Decode — 1× in this paper · explained in 2 episodes
• Failure Modes — 1× in this paper · explained in 3 episodes
• Scaffolding — 1× in this paper · explained in 3 episodes

Sources

• gpt-oss-120b & gpt-oss-20b Model Card
• Program Synthesis with Large Language Models
• Evaluating Large Language Models Trained on Code
• Humanity's Last Code Exam: Can Advanced LLMs Conquer Human's Hardest Code Competition?
• DeepSeek-V3.2: Pushing the Frontier of Open Large Language Models
• HardTests: Synthesizing High-Quality Test Cases for LLM Coding
• RepoBench: Benchmarking Repository-Level Code Auto-Completion Systems
• Measuring Coding Challenge Competence With APPS
• AgentBench: Evaluating LLMs as Agents
• LiveCodeBench: Holistic and Contamination Free Evaluation of Large Language Models for Code
• CodeElo: Benchmarking Competition-level Code Generation of LLMs with Human-comparable Elo Ratings
• SWE-bench: Can Language Models Resolve Real-World GitHub Issues?
• Can Language Models Solve Olympiad Programming?
• AetherCode: Evaluating LLMs' Ability to Win In Premier Programming Competitions
• CodeContests+: High-Quality Test Case Generation for Competitive Programming
• OJBench: A Competition Level Code Benchmark For Large Language Models
• ICPC-Eval: Probing the Frontiers of LLM Reasoning with Competitive Programming Contests
• LiveCodeBench Pro: How Do Olympiad Medalists Judge LLMs in Competitive Programming?
• BigCodeBench: Benchmarking Code Generation with Diverse Function Calls and Complex Instructions
• LiveOIBench: Can Large Language Models Outperform Human Contestants in Informatics Olympiads?

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• PackMonitor: Enabling Zero Package Hallucinations Through Decoding-Time Monitoring
• IntentCoding: Amplifying User Intent in Code Generation
• Incentives and Outcomes in Bug Bounties