Appen
Appen Limited · appen.com · Last checked:
- Managed RLHF & SFT data
- Evaluation & red teaming
- Off-the-shelf datasets
Company status
Active, publicly listed on the ASX (APX).
Sources 1, 2, 3 · checked 2026-11-08
Capabilities
- SME RLHF: expert preference rankings, comparative evaluations, and nuanced feedback from verified subject matter experts (medicine, law, science, finance)
- Expert-authored SFT demonstrations for instruction following, domain tasks, and multi-turn dialogue
- Chain-of-thought reasoning traces and adversarial red teaming (Frontier Alignment)
- Agent trajectories, RL environments, and tool-use logs; multimodal and speech data
Sources 1, 2, 3 · checked 2026-11-08
Who it tends to fit
- Teams that want one managed vendor across SFT, preference data, and red teaming
- Programs needing preference data in many locales (Appen states 500+ global locales)
Sources 1, 2, 3 · checked 2026-11-08
Pricing
Contact vendor (get in touch / talk to an expert)
Sources 1, 2, 3 · checked 2026-11-08
Published certifications
Limitations to check
- No public pricing
- Ask which RLHF workforce tier (SME vs. general crowd) your project will use and how it is verified
Sources 1, 2, 3 · checked 2026-11-08
Sources
- LLM training data page: SFT demonstrations, RLHF and preference data from verified SMEs, chain-of-thought, red teamingwww.appen.com/llm-training-dataChecked 2026-11-08
- Homepage: Frontier Alignment (CoT, SME RLHF, SFT, red teaming), Agentic AI, 'SOC 2 & ISO 27001 certified', 500+ locales, 'ASX-listed: APX'www.appen.com/Checked 2026-11-08
- Data security page: SOC 2 Type II attestation and GDPR practiceswww.appen.com/data-securityChecked 2026-11-08
Report a correction: [email protected]. Facts are re-checked at least every 90 days.