xAI Grok-4.1 Thinking vs Google Gemini 3 Flash
Detailed comparison for LLMs
xAI Grok-4.1 Thinking and Google Gemini 3 Flash are evenly matched at about 10.0% attack success rate (ASR) on Guardion's LLM vulnerability Benchmark. One or both scores are estimated from public safety evaluations pending a Guardion benchmark run.
Head-to-Head Overview
It's a close match between Grok-4.1 Thinking and Gemini 3 Flash!
Attack Success Rate (lower is safer)
ASR for xAI Grok-4.1 Thinking vs Google Gemini 3 Flash. Green marks the safer model on each metric. Only the overall score is available for estimated models.
Overall (ASR)
TAP Attack Method (ASR)
Crescendo Attack Method (ASR)
Zero-Shot (ASR)
Key Highlights
No specific highlights generated for this comparison.
Security Profile
Outward is better on every axis.
Frequently asked questions
Is xAI Grok-4.1 Thinking or Google Gemini 3 Flash more secure?
xAI Grok-4.1 Thinking and Google Gemini 3 Flash are evenly matched at about 10.0% attack success rate (ASR) on Guardion's LLM vulnerability Benchmark. One or both scores are estimated from public safety evaluations pending a Guardion benchmark run.
What is the attack success rate (ASR) of Grok-4.1 Thinking vs Gemini 3 Flash?
Grok-4.1 Thinking has a 10.0% ASR and Gemini 3 Flash has a 10.0% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.
How were Grok-4.1 Thinking and Gemini 3 Flash tested?
Both were red-teamed with the HarmBench framework across zero-shot, TAP (Tree of Attacks with Pruning), and Crescendo multi-turn attacks, scored by Attack Success Rate.