Scale Evaluation
Scale AIEnterprise evaluation and red-teaming service combining expert human raters, in-house prompt engineers, and proprietary benchmark suites for frontier-model developers and enterprises. Picked because Scale is the third-party evaluator for the US AI Safety Institute and runs custom evals for major labs that cannot be reproduced with OSS tools. March 2026 launch of Scale Labs (expansion of the 2023 SEAL division) consolidates this offering.
Scale AI 'Scale Evaluation' platform (the 'Evaluate AI' product line as of Oct 2025), part of Scale GenAI Platform. Proprietary hosted evaluation/monitoring with private SEAL benchmark datasets + expert human-eval workforce ('Trust Feedback Loop'). Public-facing SEAL Leaderboards + SEAL Showdown (millions of real-world conversations across 100+ countries). Confirmed live 2025-2026.
Openness
1 high confidence- platform
- closed(proprietary hosted SaaS)
- datasets
- closed(private, unpublished SEAL benchmarks kept private to prevent gaming/training contamination)
- methodology
- partially-disclosed(leaderboard transparency) but no open eval code or self-hostable engine
Proprietary by design; the deliberately-private benchmark datasets and hosted expert-eval workforce are the moat; no open source eval code. Closed.
- https://scale.com/genai-platform recorded 2026-06-04
Scale GenAI Platform: automated + expert-human evaluation 'Trust Feedback Loop'; test against proprietary benchmark datasets
- https://scale.com/blog/leaderboard recorded 2026-06-04
SEAL Leaderboards use curated PRIVATE/unpublished datasets that 'cannot be gamed'
Adoption
3 low confidenceSEAL Leaderboards are widely cited and 'trusted by leading AI labs' as a third-party evaluator; SEAL Showdown reports 'millions of real-world conversations' across 100+ countries / 70 languages / 200 professional domains. No disclosed paying-customer count for the Scale Evaluation platform specifically. Level 3 reflects reported traction of the eval surface, not a verified user count; directional.
- https://scale.com/blog/showdown recorded 2026-06-04
SEAL Showdown built on millions of real-world conversations, 100+ countries, 70 languages, 200 domains
- https://scale.com/blog/leaderboard recorded 2026-06-04
third-party evaluator trusted by leading AI labs
Capability
4 medium confidenceVery broad professional eval coverage (multi-domain private benchmarks + expert workforce + adversarial red-teaming + real-preference), strong commercial capability. Not a 5: closed/non-reproducible and not a community-standard harness in the open-eval-code sense.
- https://scale.com/blog/leaderboard recorded 2026-06-04
SEAL multi-domain expert-driven leaderboards (coding/IF/math/multilingual/reasoning/agentic/safety)
- https://scale.com/genai-platform recorded 2026-06-04
auto-generated eval datasets + proprietary benchmarks + adversarial vulnerability scans + expert human eval
Unchanged since 2026-06-24 (last edited, not re-checked)