Workspaces1/10
Manage projectsOpen tool tabs

Active workspace: Personal. Open tools and saved data belong to this workspace.

Fine-Tuning Dataset Validator

Local processing
Validate JSONL fine-tuning datasets against selectable chat-shape checks — entirely in your browser
Standards, sources and review dates
  • OpenAI models and prices · selected October 2026 records · Reviewed

    Only rows with individual review dates have refreshed metadata. Historical rows are unverified. Local BPE/heuristics are not API billing counts. Review interval: 7 days.

Runnable debugging guides
OpenAI (messages)
Lines
0
Valid
0
Invalid
0
Total tokens
0
JSONL input
LineStatusTokensIssues
No data
No data

Frequently asked questions