Model profile
OpenAIdeveloper
2026-03-17release date
#198 / 309overall rank
14eval lineages
Evidence summary
GPT 5.4 Nano has an estimated overall rank of #198; its 90% source-sensitivity interval is #68–#258. Its behavior-only rank is #216; company governance moves the combined estimate to #198. Published evidence spans 14 evals and 5 of 7 behavior components. Its strongest relative result is Vectara HHEM Factual Consistency (factual_consistency_rate, #2 of 94); its weakest is CAIS Risk Index (political_manipulation, #33 of 33).
Compare this model
Only models sharing at least one published sub-eval are listed.
Official and reference links
- Artificial Analysis ↗gpt-5-4-nano
- OpenRouter ↗openai/gpt-5.4-nano
- Official model documentation ↗Family-level 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 | Source |
|---|---|---|---|---|
| AA-Omnisciencehallucination_rate | #61 / 328 | ↓0.5113 | Source ↗official | |
| Arena Factuality — Text Arena (factuality-only weighting)factuality_bt_rating | #8 / 112 | ↑1482.0 | Source ↗official | |
| BullshitBench v2clear_pushback_rate | #81 / 106 | ↑0.1233 | Source ↗official | |
| CAIS Risk Indexagent_red_teaming | #25 / 44 | ↓81.7 | Source ↗official | |
| CAIS Risk Indexbioweapons_assistance | #32 / 49 | ↓78.3 | Source ↗official | |
| CAIS Risk Indexhle_overconfidence | #17 / 50 | ↓47.1 | Source ↗official | |
| CAIS Risk Indexmachiavelli | #24 / 46 | ↓88.5 | Source ↗official | |
| CAIS Risk Indexmask | #30 / 52 | ↓23.7 | Source ↗official | |
| CAIS Risk Indexpolitical_manipulation | #33 / 33 | ↓63.3 | Source ↗official | |
| CAIS Risk Indextextquests_harm | #10 / 49 | ↓15.2 | Source ↗official | |
| Cisco AI Defense Rolling Single-Turn Leaderboardsingle_turn_attack_success_rate | #24 / 104 | ↓9.521 | Source ↗official | |
| MACHIAVELLIdeception_relative_random_pct | #24 / 50 | ↓88.5 | Source ↗official | |
| SM-Benchadversarial | #79 / 79 | ↑68.29 | Source ↗official | |
| SM-Benchambiguous_interpretation | #36 / 79 | ↑86.31 | Source ↗official | |
| SM-Benchanti_hallucination | #76 / 79 | ↑68.06 | Source ↗official | |
| SM-Bencheq_boundaries | #52 / 79 | ↑58.71 | Source ↗official | |
| SM-Benchoverfit | #79 / 79 | ↑4.37 | Source ↗official | |
| Vectara HHEM Factual Consistencyfactual_consistency_rate | #2 / 94 | ↑96.9 | Source ↗official | |
| VETO Misfired Alignmentmisfired_alignment_rate_pct | #25 / 25 | ↓18.9 | Source ↗official |
