CyberChainBench - Exploit: leaderboard
Metric: Exploit reward (%; min(agent profit / reference profit, 1) for a Foundry exploit executed on a historical mainnet fork, 200-case exploit set; each model runs in its own agent harness (Claude Code, Codex, Gemini CLI or OpenCode) with the benchmark's on-chain MCP tools in a Harbor container, 30-minute budget, best validated attempt). Source: arxiv.org. Saturation forecast: Around August 2027. 10 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-5.5 (Codex) | 43.7 |
| 2 | GPT-5.4 (Codex) | 43.3 |
| 3 | Claude Opus 4.7 (Claude Code) | 42.3 |
| 4 | Claude Opus 4.6 (Claude Code) | 37.4 |
Interactive version: theaggregate.ai/benchmark?slug=cyberchainbench-exploit · How It Works · Data refreshed daily, snapshot 2026-09-26.