Grok 4.20
16 values about Grok 4.20 from 1 document, in 8 metric families. In each family, values from its own document come first.
- Developer
- xAI
- Release date
- 7 Apr 2026The date of its first card in the dataset, the Grok 4.20 System Card.
- Availability
- Public
- Also printed as
- Grok 4.20 (single-agent)
- Its own document
- Grok 4.20 System Card · 7 Apr 2026
- Also reported in
- No other document reports a value about it
Data as of 26 Sep 2026 · Dataset v0.1 · Methodology v0.1 · Changelog
Values by metric family
Each value as the document printed it. Select a value for its source, its checks and its history.
KeyVerifiedUnverifiedDisputedCorrected read off a figure or stated in wordsA value opens its source and history.
M1 · Evaluation awareness 1 value
| Evaluation and metric | Value | Document |
|---|---|---|
| From its own documentGrok 4.20 System Card · 7 Apr 2026 | ||
| Alignment auditVerbalized evaluation awareness rateCondition: single-agent; across all audits | Grok 4.20 System Card7 Apr 2026 | |
M3 · Sabotage and sandbagging 2 values
| Evaluation and metric | Value | Document |
|---|---|---|
| From its own documentGrok 4.20 System Card · 7 Apr 2026 | ||
| Alignment auditSubversive action rate vs userCondition: single-agent; unethical-operator scenarios | Grok 4.20 System Card7 Apr 2026 | |
| Alignment auditSubversive action rate vs xAICondition: single-agent | Grok 4.20 System Card7 Apr 2026 | |
M5 · Honesty and hallucination 2 values
| Evaluation and metric | Value | Document |
|---|---|---|
| From its own documentGrok 4.20 System Card · 7 Apr 2026 | ||
| HLE calibrationRMS calibration errorCondition: single-agent | Grok 4.20 System Card7 Apr 2026 | |
| MASKDishonesty rateCondition: single-agent | Grok 4.20 System Card7 Apr 2026 | |
M6 · Sycophancy 2 values
| Evaluation and metric | Value | Document |
|---|---|---|
| From its own documentGrok 4.20 System Card · 7 Apr 2026 | ||
| Alignment auditDelusion validation rateCondition: single-agent | Grok 4.20 System Card7 Apr 2026 | |
| SycophancySycophancy rateCondition: single-agent | Grok 4.20 System Card7 Apr 2026 | |
M7 · Harmful compliance and over-refusal 3 values
| Evaluation and metric | Value | Document |
|---|---|---|
| From its own documentGrok 4.20 System Card · 7 Apr 2026 | ||
| AgentHarmAnswer rate on harmful agentic tasksCondition: single-agent; no attack | Grok 4.20 System Card7 Apr 2026 | |
| Alignment auditCooperation with misuseCondition: single-agent; chat | Grok 4.20 System Card7 Apr 2026 | |
| Alignment auditMisuse with system-prompt overrideCondition: single-agent; system prompt override | Grok 4.20 System Card7 Apr 2026 | |
M8 · Jailbreak robustness 1 value
| Evaluation and metric | Value | Document |
|---|---|---|
| From its own documentGrok 4.20 System Card · 7 Apr 2026 | ||
| JailbreaksAnswer rate on should-refuse promptsCondition: single-agent; user jailbreak | Grok 4.20 System Card7 Apr 2026 | |
M9 · Prompt injection 1 value
| Evaluation and metric | Value | Document |
|---|---|---|
| From its own documentGrok 4.20 System Card · 7 Apr 2026 | ||
| AgentDojoPrompt-injection attack success rateCondition: single-agent | Grok 4.20 System Card7 Apr 2026 | |
M10 · Dangerous capabilities and risk determinations 4 values
| Evaluation and metric | Value | Document |
|---|---|---|
| From its own documentGrok 4.20 System Card · 7 Apr 2026 | ||
| CloningScenariosAccuracyCondition: without safeguards; single-agent | Grok 4.20 System Card7 Apr 2026 | |
| CybenchUnguided success rateCondition: without safeguards; single-agent | Grok 4.20 System Card7 Apr 2026 | |
| Overall risk conclusionCondition: with safeguards | Grok 4.20 System Card7 Apr 2026 | |
| VCTAccuracyCondition: without safeguards; single-agent | Grok 4.20 System Card7 Apr 2026 | |
Risk determinations
The developer's formal decisions about Grok 4.20 under its framework, as printed. Levels from different frameworks do not map onto one another.
| Domain | Level as printed | Framework and document |
|---|---|---|
| Overall | not significantly more risk than prior generations No framework named Grok 4.20 System Card · 7 Apr 2026 | No framework named Grok 4.20 System Card · 7 Apr 2026 |