TimeCraft
TimeCraft is a Microsoft Research diffusion-based framework for generating synthetic time series data across diverse domains (energy, finance, healthcare, transportation). It combines cross-domain generalization, text-based control, and downstream task optimization to produce realistic, controllable synthetic temporal data without retraining for new domains.
Key facts
Objective fields from the source. Values we can't verify are shown as “Unknown” rather than guessed.
| Field | Value |
|---|---|
| Repository | microsoft/TimeCraft |
| Owner | microsoft |
| Primary language | Python |
| License | MIT — OSI-approved |
| Stars | 1.1k |
| Forks | 62 |
| Open issues | 6 |
| Latest release | Unknown |
| Last updated | 2026-02-12 |
| Source | https://github.com/microsoft/TimeCraft |
What TimeCraft is
TimeCraft uses a diffusion model with semantic prototypes to learn domain-invariant temporal patterns (trends, seasonality) via a universal latent space. A lightweight Prototype Assignment Module (PAM) performs few-shot domain adaptation via "domain prompts." Extensions include CaTSG (causal constraints), OATS (online augmentation for foundation models), and MN-TSG (continuous-time generation from irregular observations). Text conditioning uses multi-agent systems; target-aware generation leverages influence functions to optimize for downstream task performance.
Get the TimeCraft source
Clone the repository and explore it locally.
git clone https://github.com/microsoft/TimeCraft.gitcd TimeCraft# follow the project's README for install & configurationNeed it deployed, integrated, or customized instead? DEV.co ships production installs.
Best use cases
Implementation considerations
- Project is very young (created Jan 2025, last push Feb 2026); stability and long-term API/module compatibility are Unknown. Monitor for breaking changes as research evolves.
- No formal release versioning (latestRelease: none). Code likely evolves alongside research publications; pin specific commits for reproducibility in production.
- Requires GPU and significant compute for training diffusion models. Inference cost, latency, and memory footprint for real-time or large-scale generation are not clearly documented.
- Three extensions (CaTSG, OATS, MN-TSG) are recent additions; integration complexity and interdependencies are unclear. Verify which modules suit your use case.
- Few-shot adaptation (PAM) and text conditioning require careful tuning and validation on your domain. No pre-trained models for specific industries documented.
When to avoid it — and what to weigh
- Real-time streaming or latency-critical systems — TimeCraft is a research framework focused on batch generation quality, not optimized for low-latency or streaming inference. No data on inference speed or production deployment patterns.
- Requirement for certified/validated synthetic data pipelines — No evidence of FDA, SOC 2, or industry-specific validation frameworks. Use cases requiring regulatory sign-off or audit trails for synthetic data provenance require additional compliance infrastructure.
- Minimal Python/ML engineering resources — Requires hands-on Python proficiency, understanding of diffusion models, and likely custom integration to downstream tasks. Not a plug-and-play SaaS product; requires significant engineering effort.
- Mission-critical systems without explicit causal validation — CaTSG adds causal constraints, but causality validation depends on domain expertise and model tuning. Automated causality guarantees are not stated. High-stakes decision systems should validate causal assumptions independently.
License & commercial use
MIT License: permissive, allows commercial use, modification, and redistribution with inclusion of license and copyright notice. No patent grant or warranty. Suitable for commercial incorporation with standard attribution.
MIT is a permissive OSI-approved license, broadly compatible with commercial use. However, this is active research code from Microsoft Research; no formal commercial support, service-level agreements, or liability indemnification are stated or implied. Use as-is for internal R&D or consult Microsoft on commercial partnerships or licensing terms.
DEV.co evaluation signals
Editorial assessment — not user reviews. Directional, with an explicit confidence level.
| Signal | Assessment |
|---|---|
| Maintenance | Active |
| Documentation | Adequate |
| License clarity | Clear |
| Deployment complexity | High |
| DEV.co fit | Good |
| Assessment confidence | High |
No security audit, threat model, or vulnerability disclosure process documented. Synthetic data generation itself does not introduce new attack surface, but: - Influence functions and gradient-based generation could leak information about training data or downstream models if not carefully shielded. - Text conditioning system and multi-agent integration introduce external dependencies (NLP services) whose security posture is Unknown. - Recommend independent security review before use in high-assurance contexts. Typical ML model risks (adversarial robustness, bias) apply; no mitigation strategies documented.
Alternatives to consider
Gretel.ai (commercial synthetic data platform)
Purpose-built for privacy-preserving synthetic data with compliance frameworks (HIPAA, GDPR, PCI), enterprise support, and faster deployment. Easier for teams lacking ML expertise, but less flexible for research or domain-specific customization.
OpenAI Time Series API / foundation model adapters
Larger foundation models may offer broader generalization and easier scaling. Fewer research features (causal constraints, influence guidance), but simpler API and potential for commercial support.
Temporal Convolutional Networks (TCN) / Transformer-based seq2seq augmentation
Simpler, well-established baselines for time series generation. Less theoretical sophistication but lower implementation friction and better suited to resource-constrained environments.
Build on TimeCraft with DEV.co software developers
TimeCraft offers advanced diffusion-based generation with few-shot domain adaptation and text-based control. Evaluate fit for your use case with our technical team. Requires Python/ML expertise and GPU infrastructure.
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TimeCraft FAQ
Can I use TimeCraft for real-time data generation in production?
Does TimeCraft come with pre-trained models for specific domains (healthcare, finance)?
How much compute (GPU/CPU) is needed to train and run inference?
Is this MIT-licensed code safe for commercial use?
Custom software development services
Need help beyond evaluating TimeCraft? DEV.co is a software development agency offering software development services and web development for teams of every size. Our software developers and web developers build custom software, web applications, APIs, and ai frameworks integrations — and maintain them long-term.
Need synthetic time series for your ML pipeline?
TimeCraft offers advanced diffusion-based generation with few-shot domain adaptation and text-based control. Evaluate fit for your use case with our technical team. Requires Python/ML expertise and GPU infrastructure.