
Advanced Reasoning for Science, Technology, and Engineering
Elevate your model’s reasoning with human-authored chain-of-thought data across physics, biology, chemistry, medicine, finance, and more. Our premium data packs combine unsolvable expert prompts with self-reflective reasoning and verifiable outcomes.





Human-written
traces built to test reasoning, not just accuracy
STEM & finance
coverage including physics, biology, chemistry, medicine, etc
End-to-end
workflow from expert prompts to unit tests and self-reflection
Request chain-of-thought sample data
Hero--8
What You’ll Get
- Chain-of-Thought data packs with step-by-step logic, unit tests, and self-reflection
- High-difficulty prompts designed to break state-of-the-art models
- Human-evaluated answers with brief explanations and executable code traces
- Filtered reasoning data by domain, trace structure, and difficulty
- Reasoning tasks aligned to GPQA, AIME, MMLU-Pro, Zerobench, and internal benchmarks
- Model and trace evaluations to diagnose weaknesses and inform reward modeling

How We Build and Deliver Reasoning Data
- Construct: We select tasks, write expert prompts, and generate step-by-step CoT traces
- Verify: Each output is scored, unit-tested, and run through structured self-reflection
- Deliver: You receive scoped data packs tailored to your model’s target domains and evals
