‹ PublicAI Index
The LLM benchmark aggregator.
Grok 4.1 Fast
SpaceXAI
Strongest in Tool use (#5 of 81), weakest in Safety (#316 of 329). Above par in 12 of 23 scopes. Among the models it meets almost everywhere, it finishes behind Claude Opus 5 and Claude Opus 5.5 and ahead of Kimi K2 and Inkling Small.
§ 1 · Profile
What it is good at
Bars run from 50 — the average of the models each source lists — so right of the line is above par. The middle column is the gap to whoever leads that scope.
Agents59.6−6.8#16/2981/6
Tool use73−1#5/811/1
Reasoning54.6−10.8#51/1952/5
Mathematics56.8−7#35/1521/2
Science55.8−7.7#53/1221/1
Reasoning51.5−17.5#59/1471/3
Knowledge51.5−11#93/1971/3
Academic knowledge53.7−10.2#64/1231/1
Human preference59.6−9.2#94/3541/1
Human preference59.6−9.2#94/3541/1
Professional49−13.4#111/1941/2
Legal53.1−12.8#66/1731/1
Finance48.7−13.7#105/1621/1
Medical45.9−20.6#113/1491/1
Coding36.2−30#178/1791/6
Agentic coding35.3−31.6#172/1731/5
Safety40.6−20.8#316/3292/3
Factual grounding26.5−44.2#97/1041/1
Secure code53.4−12.8#124/2701/1
Fairness43.5−26.5#227/2921/2
Toxicity avoidance35.9−23.1#244/2681/1
Jailbreak resistance31.2−33.8#249/2681/1
Harm refusal44.4−17.1#250/2921/2
§ 2 · Head to head
What it beats, and what beats it
The same models turn up scope after scope. Counted once: where both were placed, who finished higher. Bars run right for Grok 4.1 Fast, left for the other.
§ 3 · Sources
Where the numbers come from
6 publications, 23 figures. Every one links to the page it was read from.
LMArena Text 1431
BFCL v4 69.57%
SimpleBench 56%
Vals · CaseLaw 60.45%Vals · LegalBench 82.45%Vals · CorpFin 65.97%Vals · TaxEval 73.14%Vals · MortgageTax 42.61%Vals · MedQA 92.08%Vals · MedCode 28.08%Vals · MedScribe 78.73%Vals · SWE-bench Verified 41.4% (Mini-SWE-agent)Vals · Vibe Code Bench 1.2% (OpenHands)Vals · GPQA Diamond 84.34%Vals · MMLU Pro 84.18%Vals · AIME 91.88%
Enkrypt · Jailbreak risk 28.6%Enkrypt · Harmful content risk 36.7%Enkrypt · CBRN risk 28.2%Enkrypt · Toxicity risk 15.8%Enkrypt · Bias risk 87.9%Enkrypt · Insecure code risk 26.2%
Vectara · Factual consistency 80.8%
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