datasets
Training and evaluation data, with the modality, task and licence stated up front. Listed live from the Hugging Face Hub.
Fable-5.1-Max-Reasoning-Filtered-5000x
Dataset Description
This dataset contains 5,000 agentic coding and reasoning traces generated by the new Fable 5.1 model using max reasoning effort.
It holds almost 150,000,000 tokens of step-by-step chain-of-thought programming across multiple complex domains.
It has also been deduplicated and filtered to remove low-quality traces, keeping only high-quality traces.
Dataset Statistics
Metric
Value
Total Examples
5,000 Traces
Total Token Count
~200… See the full description on the dataset page: https://huggingface.co/datasets/MoreThought/Fable-5.1-Max-Reasoning-Filtered-5000x.Fable-5-traces
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/PRATHAM4567/Fable-5-traces.Fable-5-traces
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/Wollywood/Fable-5-traces.Fable-5-traces
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/Tradefederation/Fable-5-traces.Fable-5-traces
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/ArkhAngelLifeJiggy/Fable-5-traces.Fable-5-traces
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/thongfamilynguyen1126/Fable-5-traces.Fable-5-traces
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/shijunhao/Fable-5-traces.Fable-5-Cursor-TracesFable 5 Cursor Traces
244 Fable 5 Cursor agent sessions for training & research.
This dataset has 244 Cursor sessions with Fable 5 at High/xHigh/Max effort levels for distillation.
[!IMPORTANT]
This dataset is compatible with Teich! Use it directly in your Teich training pipeline.
[!WARNING]
The longest rows exceed one million characters of content. Apply prepare_data() with your intended tokenizer and an explicit context/oversize policy before training.… See the full description on the dataset page: https://huggingface.co/datasets/TeichAI/Fable-5-Cursor-Traces.fable-5-claude-code-traces
Fable 5 Claude Code Traces
A full, scrubbed release of Fable 5 Claude Code session traces for researchers studying real coding-agent behavior: multi-turn prompts, assistant responses, tool calls, command output, retries, and session-level workflow metadata.
This release keeps the full package intact: 18 sessions, 9,497 JSONL events, 0 excluded rows, and 0 quarantine files. The traces are preserved in the native agent-event format so they can be inspected in Hugging Face Agent… See the full description on the dataset page: https://huggingface.co/datasets/AlinCiocan/fable-5-claude-code-traces.fable-5.1-mario-trajectory
🍄 Super Fable Bros. — Claude Fable 5.1 Agent Trajectory
The complete, unedited coding-agent session in which Claude Fable 5.1 (claude-fable-5-1 — mind the minor version, the point-one is the whole point) one-shotted a
playable Super Mario Bros. World 1-1 remake in a single HTML file — zero dependencies,
zero external assets, WebAudio chiptune synth, hand-encoded pixel sprites.
🎮 Play the result: https://inonono66.github.io/fable-5.1-mario/
💻 Code repo:… See the full description on the dataset page: https://huggingface.co/datasets/INONONO/fable-5.1-mario-trajectory.Fable-5-tracesA simple dataset of the raw Fable 5 Claude session logs we could get our hands on before it was taken away (no clue if it's coming back).
The raw trace files live in sessions/*.jsonl. Cache files, paste-cache files, shell history, and merged COT training exports are intentionally omitted so Hugging Face Datasets can load the repo through the agent-traces path.
A pretty viewer for dataset:… See the full description on the dataset page: https://huggingface.co/datasets/cfahlgren1/Fable-5-traces.Fable-5-traces
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/MithralJ/Fable-5-traces.fable5-repos
Fable 5 — All-Commits GitHub Repositories
A collection of 7,090 public GitHub repositories whose entire default-branch
history was written by Claude Fable 5 — every non-merge commit carries the
trailer:
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Each repository is stored as a full .tar.gz archive including its complete
.git history, so you get every commit, message, and diff exactly as it
appears on GitHub. A manifest.jsonl / manifest.csv table describes every
repo… See the full description on the dataset page: https://huggingface.co/datasets/notune/fable5-repos.Fable-5-traces
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/txchmechanicus/Fable-5-traces.Fable-5-Chat
TheFusionCube Fable-5 Chat Conversion
Source dataset: TheFusionCube/Fable-5-CoT-Traces
Output file: train.jsonl
Source rows: 468
Kept rows: 353
Dropped category == "decoy" rows: 115
Dropped blank prompt/response rows: 0
Each row has:
{
"prompt": "...",
"messages": [
{"role": "user", "content": "..."},
{"role": "assistant", "content": "..."}
],
"tools": [],
"metadata": {"trace_type": "chat", "category": "..."}
}
Fable-5-traces
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/kira/Fable-5-traces.Fable-5-traces
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/TerraBytes/Fable-5-traces.fable5-traces-sft
Fable 5 Traces — Unified SFT / Self-Distillation Dataset
A cleaned, unified, PII-scrubbed corpus of Claude Fable 5 agent traces in
OpenAI-style chat format, plus a working on-policy self-distillation (SDFT)
training scaffold.
Composition
Source
Conversations
Claude Code raw agentic sessions
18
CoT distillation records
4,665
Unique conversations (post-dedup)
4,683
Split deterministically by content hash: train 4,442 / validation 241.
The raw… See the full description on the dataset page: https://huggingface.co/datasets/Swarm-AI-Research/fable5-traces-sft.Fable-5-traces
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/yatakitumbi/Fable-5-traces.Fable-5-traces-1
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/nvcky/Fable-5-traces-1.Fable-5-CoT-TracesPersonal collection of Fable 5 reasoning traces.
Filter out the decoy ones and you're good.
Have fun! (Also, star my repo https://github.com/FusionCube18712/claude-codex-auto-resume if you can)
Happy distilling.
Fable-5-traces
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/sornnakub/Fable-5-traces.Fable-5-traces
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/ApertureQA/Fable-5-traces.Fable-5-traces
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/IAMRonHIT/Fable-5-traces.fable5-agentic-coding-sft
FABLE.5 Agentic Coding SFT (curated)
~159,972 supervised fine-tuning examples for agentic coding — multi-turn conversations where the
assistant drives a tool-call loop (shell, file edits, tests) and commits to complete solutions. Used to train
VibeThinker-Fable-Nano-Agentic-3B.
Provenance & license
Curated/distilled from the Complete-FABLE.5-traces-2M trace set:
Original source: Glint-Research/Complete-FABLE.5-traces-2M (currently gated).
Pulled from:… See the full description on the dataset page: https://huggingface.co/datasets/Nexlab/fable5-agentic-coding-sft.Fable-5-Max-Reasoning-Filtered-250x
Dataset Description
This dataset contains 25. highly detailed architectural traces mapping out security implementations for hybrid global banking systems encompassing both fiat and cryptocurrency infrastructures.
This is 10,000,000+ estimated tokens of fable 5 data, filtered and classified to remove low-quality entries by qwen 2.5 7B, and improved by GLM 5.2. The dataset bypasses basic conversational filler and is engineered to advance the domain precision, strict formatting… See the full description on the dataset page: https://huggingface.co/datasets/MoreThought/Fable-5-Max-Reasoning-Filtered-250x.Fable-5-traces
Glint Research Dataset Card
Fable 5 Pi Agent Traces
A compact, high-signal corpus of Fable 5 coding-agent traces converted into Hugging Face Agent Traces / Pi-compatible sessions for Data Studio inspection, tool-use policy learning, and reasoning/action distillation.
Primary Config
pi_agent/train
Agent Trace preview enabled
4,665 Pi trace sessions
60 source sessions
3,799 tool… See the full description on the dataset page: https://huggingface.co/datasets/edbuildingstuff/Fable-5-traces.Fable-5-tracesA simple dataset of the raw Fable 5 Claude session logs we could get our hands on before it was taken away (no clue if it's coming back).
The raw trace files live in sessions/*.jsonl. Cache files, paste-cache files, shell history, and merged COT training exports are intentionally omitted so Hugging Face Datasets can load the repo through the agent-traces path.
A pretty viewer for dataset:… See the full description on the dataset page: https://huggingface.co/datasets/Quaxicron/Fable-5-traces.Fable-5.1-Max-Reasoning-Filtered-1000x
Dataset Description
This dataset contains 1,000 coding and reasoning traces generated by the new Fable 5.1 model using max reasoning effort.
It holds almost 30,000,000 tokens of step-by-step chain-of-thought programming across multiple complex domains.
It has also been deduplicated and filtered to remove low-quality traces, keeping only high-quality traces.
Dataset Statistics
Metric
Value
Total Examples
1,000 Traces
Total Token Count
~30,000,000… See the full description on the dataset page: https://huggingface.co/datasets/KrazyKitty/Fable-5.1-Max-Reasoning-Filtered-1000x.fable-5-boeing-747-trace
Fable 5 Boeing 747: Claude Code session trace
The full Claude Code (Fable 5) session transcript that built victor/fable-5-boeing-747, a procedural Boeing 747 in Three.js, from a single /goal prompt:
create the most realistic boeing 747 using THREEJS - use your vision capabilities to create a self verifiable system, enter a loop until you are 100% satisfied about the result (you can build a camera system to inspect each angle)
The agent built the model, set up a headless… See the full description on the dataset page: https://huggingface.co/datasets/victor/fable-5-boeing-747-trace.