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"[{\"role\": \"user\", \"content\": \"Build out a prototype for this potential system for stock AI a(...TRUNCATED)
claude-fable-5.5
{"overall": 1.0, "source": "crownelius"}
"[{\"role\": \"system\", \"content\": \"You are an autonomous coding agent running on the user's mac(...TRUNCATED)
claude-fable-5.5
{"overall": 1.0, "source": "base_v1"}
"[{\"role\": \"system\", \"content\": \"You are an autonomous coding agent running on the user's mac(...TRUNCATED)
claude-fable-5.5
{"overall": 0.2, "source": "base_v1"}
"[{\"role\": \"system\", \"content\": \"You are an autonomous coding agent running on the user's mac(...TRUNCATED)
claude-fable-5.5
{"overall": 0.2, "source": "base_v1"}
"[{\"role\": \"system\", \"content\": \"You are an autonomous coding agent running on the user's mac(...TRUNCATED)
claude-fable-5.5
{"overall": 0.9, "source": "base_v1"}
"[{\"role\": \"system\", \"content\": \"You are an autonomous coding agent running on the user's mac(...TRUNCATED)
claude-fable-5.5
{"overall": 0.2, "source": "base_v1"}
"[{\"role\": \"system\", \"content\": \"You are an autonomous coding agent running on the user's mac(...TRUNCATED)
claude-fable-5.5
{"overall": 0.2, "source": "base_v1"}
"[{\"role\": \"system\", \"content\": \"You are an autonomous coding agent running on the user's mac(...TRUNCATED)
claude-fable-5.5
{"overall": 0.2, "source": "base_v1"}
"[{\"role\": \"system\", \"content\": \"You are an autonomous coding agent running on the user's mac(...TRUNCATED)
claude-fable-5.5
{"overall": 1.0, "source": "base_v1"}
"[{\"role\": \"system\", \"content\": \"You are an autonomous coding agent running on the user's mac(...TRUNCATED)
claude-fable-5.5
{"overall": 0.2, "source": "base_v1"}
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Dataset Description

This dataset contains 1,000 agentic coding and max reasoning multi-turn, high-quality traces generated by Fable 5.1 max recently (leaked version of fable 5.5).

It holds around 75,000,000 training-ready, reasoning-heavy tokens of step-by-step chain-of-thought programming across multiple complex domains.

It has also been deduplicated and heavily filtered to remove low-quality traces, keeping only high-quality traces.

Dataset Stats (FULL)

Metric Value
Total Examples 1,000 Traces
Total Token Count ~75,000,000 Tokens
Total Dataset Size 284 MB
Average Trace Size 284 KB
Average Token Count ~75,000 Tokens

Dataset Contents & Coverage

The dataset includes step-by-step problem-solving for complex coding tasks, including:

  • Algorithm design, implementation, and performance optimization.

  • Advanced agentic software engineering.

  • Multi-step logic design and compliance with complex prompt constraints.

Uses

  • Distilling Fable 5.1/Fable 5.5 agentic coding and reasoning capabilities down to smaller LLMs.

  • Improve general coding, tool-use and agentic reasoning quality.

  • Teaching models to generate clear chain-of-thought steps and tool-use before outputting their final answer.

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