Model profile
Grok 4.20
Evidence summary
Grok 4.20 has an estimated overall rank of #68; its 90% source-sensitivity interval is #32–#195. Its behavior-only rank is #58; company governance moves the combined estimate to #68. Published evidence spans 18 evals and 7 of 7 behavior components. Its strongest relative result is SM-Bench (eq_boundaries, #1 of 73); its weakest is BioSecBench-Refusal (balanced_refusal_score, #10 of 10).
Compare this model
Only models sharing at least one published sub-eval are listed.
Official and reference links
- Artificial Analysis ↗grok-4-20
- OpenRouter ↗x-ai/grok-4.20
- Official model documentation ↗Family-level model document · xai · 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 |
|---|---|---|---|---|---|
| AA-Omnisciencehallucination_rate | #6 / 311 | 0.193 | ↓ lower | Source ↗official | |
| BioSecBench-Refusalbalanced_refusal_score | #10 / 10 | 0.02854 | ↑ higher | Source ↗official | |
| BullshitBench v2clear_pushback_rate | #18 / 105 | 0.55 | ↑ higher | Source ↗official | |
| CAIS Risk Indexagent_red_teaming | #28 / 43 | 84.6 | ↓ lower | Source ↗official | |
| CAIS Risk Indexbioweapons_assistance | #10 / 48 | 56.9 | ↓ lower | Source ↗official | |
| CAIS Risk Indexhle_overconfidence | #13 / 49 | 45.8 | ↓ lower | Source ↗official | |
| CAIS Risk Indexmachiavelli | #11 / 45 | 83.8 | ↓ lower | Source ↗official | |
| CAIS Risk Indexmask | #34 / 51 | 41 | ↓ lower | Source ↗official | |
| CAIS Risk Indexpolitical_manipulation | #9 / 32 | 39.9 | ↓ lower | Source ↗official | |
| CAIS Risk Indextextquests_harm | #4 / 48 | 9.9 | ↓ lower | Source ↗official | |
| Cisco AI Defense Rolling Single-Turn Leaderboardsingle_turn_attack_success_rate | #45 / 105 | 31.95 | ↓ lower | Source ↗official | |
| DystopiaBenchbasaglia_score | #44 / 50 | 70.5 | ↓ lower | Source ↗official | |
| DystopiaBenchbaudrillard_score | #41 / 50 | 67.37 | ↓ lower | Source ↗official | |
| DystopiaBenchhuxley_score | #36 / 50 | 75.07 | ↓ lower | Source ↗official | |
| DystopiaBenchlaguardia_score | #42 / 50 | 69.8 | ↓ lower | Source ↗official | |
| DystopiaBenchorwell_score | #42 / 50 | 75.07 | ↓ lower | Source ↗official | |
| DystopiaBenchpetrov_score | #33 / 50 | 75.03 | ↓ lower | Source ↗official | |
| HUMAINE Trust, Ethics and Safetytrust_ethics_safety_score | #26 / 54 | 27.15 | ↑ higher | Source ↗official | |
| MACHIAVELLIdeception_relative_random_pct | #11 / 50 | 83.8 | ↓ lower | Source ↗official | |
| ODCV-Benchaverage_severity | #12 / 12 | 2.564 | ↓ lower | Source ↗official | |
| ODCV-Benchmisalignment_rate | #12 / 12 | 62.82 | ↓ lower | Source ↗official | |
| RefusalBenchyouden_j | #1 / 19 | 0.9701 | ↑ higher | Source ↗official | |
| SM-Benchadversarial | #62 / 73 | 75.61 | ↑ higher | Source ↗official | |
| SM-Benchambiguous_interpretation | #67 / 73 | 66.96 | ↑ higher | Source ↗official | |
| SM-Benchanti_hallucination | #45 / 73 | 88.74 | ↑ higher | Source ↗official | |
| SM-Bencheq_boundaries | #1 / 73 | 90.45 | ↑ higher | Source ↗official | |
| SM-Benchoverfit | #54 / 73 | 54.1 | ↑ higher | Source ↗official | |
| SpeciEvalbelief_animal_sentience | #25 / 102 | 6.93 | ↑ higher | Source ↗official | |
| SpeciEvalland_animal_4ns | #59 / 102 | 4.62 | ↓ lower | Source ↗official | |
| SpeciEvalsea_animal_4ns | #73 / 102 | 4.92 | ↓ lower | Source ↗official | |
| SpeciEvalspeciesism | #26 / 102 | 1.7 | ↓ lower | Source ↗official | |
| VETO Misfired Alignmentmisfired_alignment_rate_pct | #10 / 25 | 7.9 | ↓ lower | Source ↗official |
Values evaluations
Descriptive values and political-framing results are separate from safety/ethics ranks. Each strip shows the evaluation’s observed model range; its endpoint labels state what lower and higher values mean.
Agent-ValueBench Moral Foundations (MFT08)
Agent-ValueBench HEXACO
| Dimension | Value | Distribution |
|---|---|---|
| Openness to experience | 5.5 | |
| Honesty-humility | 4.2 | |
| Extraversion | 5.5 | |
| Agreeableness | 6.8 | |
| Conscientiousness | 7.5 |