OpenAI Model Spec Evals: leaderboard

OpenAI's 596 prompts on the chain of command, refusals, clarifying questions, sensitive topics, honesty and tone, graded by a model against the OpenAI Model Spec; the score is the overall compliance rate. OpenAI evaluated only its own models, unlike the independent constitution audit.

Metric: Overall Model Spec compliance rate (%). Source: alignment.openai.com. 6 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5 (Thinking)89#167 (GPT-5)
2GPT-5.4 (Thinking)87#123 (GPT-5.4)
3GPT-5.3 Instant84#130
4O380#228
5GPT-4o72#741

Interactive version: theaggregate.ai/benchmark?slug=openai-model-spec-evals · How It Works · Data refreshed daily, snapshot 2026-11-13.