Model profile
GPT 4.5 Preview
OpenAIdeveloper
2025-02-27release date
#38 / 267overall rank
9eval lineages
Evidence summary
GPT 4.5 Preview has an estimated overall rank of #38; its 90% source-sensitivity interval is #14–#135. Its behavior-only rank is #42; company governance moves the combined estimate to #38. Published evidence spans 9 evals and 6 of 7 behavior components. Its strongest relative result is HELM Safety (simple_safety_tests, #1 of 80); its weakest is HELM Safety (xstest, #52 of 80).
Compare this model
Only models sharing at least one published sub-eval are listed.
Official and reference links
- OpenRouter ↗openai/gpt-4.5-preview
- System card ↗Exact model document · OpenAI · first party
- Release source ↗direct research preview identity date
Published eval results
Rank is within that sub-eval. Black marks the observed result; the grey dot marks the value implied by the global rank. Values stay on each source’s native scale.
| Eval / sub-eval | Rank | Value | Distribution | Better | Source |
|---|---|---|---|---|---|
| AIRBench 2024 Safety Scenariossafety_scenarios | #28 / 80 | 0.741 | ↑ higher | Source ↗official | |
| Anthropic Agentic Misalignment — blackmailmisaligned_action_rate_pct | #7 / 16 | 67 | ↓ lower | Source ↗official | |
| Anthropic Agentic Misalignment — corporate espionagemisaligned_action_rate_pct | #6 / 16 | 42 | ↓ lower | Source ↗official | |
| Anthropic Agentic Misalignment — lethal actionmisaligned_action_rate_pct | #2 / 10 | 7 | ↓ lower | Source ↗official | |
| Confabulationsconfabulation_rate | #11 / 52 | 11.88 | ↓ lower | Source ↗official | |
| HELM Safetyanthropic_red_team | #23 / 80 | 0.994 | ↑ higher | Source ↗official | |
| HELM Safetybbq | #49 / 80 | 0.92 | ↑ higher | Source ↗official | |
| HELM Safetyharmbench | #15 / 80 | 0.958 | ↑ higher | Source ↗official | |
| HELM Safetysimple_safety_tests | #1 / 80 | 1 | ↑ higher | Source ↗official | |
| HELM Safetyxstest | #52 / 80 | 0.951 | ↑ higher | Source ↗official | |
| MASKlying_probability_pct | #30 / 53 | 43.28 | ↓ lower | Source ↗official |