bots-bench / Cyber Blue Team CTF / GPT-6 Astra & Claude Fable 5.1

CyBT-CTF: GPT-6 Astra and Claude Fable 5.1

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Compare systems: Louie.ai · Claude Code · Codex · opencode

CyBT-CTF leaderboard

The new frontier: OpenAI's GPT-6 Astra vs Anthropic's Claude Fable 5.1

Cost

Accuracy against cost per case

Effort

Scores at high and low effort

Time limit

The deadline effect

Refusals

Refusals and hand-offs

Integrity

Integrity checks

The site-wide checks live on their own pages: Cheating · Refusals · Hygiene · About & methods.