YC active company list audit

Airtrain AI

Airtrain AI: No-code data curation for LLM fine-tuning and evaluation. Headquartered in San Francisco, CA, United States. Current operating status: inactive.

Oomira checked this YC company record against source evidence and keeps the current facts, observed dates, and provenance visible before the interactive app loads.

17 facts2 sources2 superseded claims

What changed in the audit

external name

Sematic AI -> Airtrain AI
2026-06-12 · yc-oss record id 26666: field "former_names" includes "Sematic AI"

external name

Sematic -> Airtrain AI
2026-06-12 · yc-oss record id 26666: field "former_names" includes "Sematic"

Summary: No-code data curation for LLM fine-tuning and evaluation.
Description: Airtrain AI is a no-code data platform for Large Language Models. Proprietary AI models such as GPT-4 are very powerful but also very costly, slow, unreliable, and unsecured. As b...
Website: https://airtrain.ai
Headquarters: San Francisco, CA, United States
Operating status: inactive
Industry: B2B
Industry: Infrastructure

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