0

GPT-5.4 Mini vs Grok 4.1 Fast

Head to head on 22 shared benchmarks, with price, context window, and release dates.

Benchmark scores

40

evals · sort by any column, ⤢ to expand fullscreen

Model
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
↗
Grok 4.1 Fast

xAI

66.0%1327elo40.185.3%19.3%52.7%80.2%64.7%69.6%52.2%28.2%74.3%83.7%80.2%42.6%4.0%31.3%44.2%73.1%24.2%1.2%93.3%62.0%89.3%-----11.835.0%82.2%60.8%28.1%100.0%78.7%85.4%---58.3%
GPT-5.4 Mini

OpenAI

60.9%1665elo7387.5%28.1%73.3%80.3%70.9%71.6%70.9%60.3%71.5%78.6%72.5%63.5%21.0%50.8%52.1%71.2%52.3%48.0%83.3%--37.0%21.2%3.9%45.4%28.3%--------61.733.2%54.2%55.2%
2 / 2 models
AttributeGPT-5.4 Mini

OpenAI

Grok 4.1 Fast

xAI

DescriptionGPT-5.4 mini is an AI model from OpenAI.Grok 4.1 Fast is an AI model from xAI.
FamilyGPTGrok
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released17 Mar 202619 Nov 2025
Context400,000-
Input $/1M$0.75-
Output $/1M$4.50-
Cache read $/1M$0.075-
Cache write $/1M--
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiesfile, image, texttext
Providers--
PublisherOpenAIxAI
Reported scores
GPQA Diamond87.5% (AA)
IFBench73.3% (AA)
SciCode52.1% (AA)
Infraresolutionbench80.2% (150 samples)
Agent Diff Bench62.0% (179 samples)
Medpt100.0% (15 samples)
Hanabi11.8 (15 samples)
SciCode44.2% (AA)

FAQ

Is GPT-5.4 Mini or Grok 4.1 Fast better?
Across the 22 benchmarks both models report on Sophon, GPT-5.4 Mini leads on 16 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GPT-5.4 Mini and Grok 4.1 Fast compare on GPQA Diamond?
GPT-5.4 Mini scores 87.5% and Grok 4.1 Fast scores 85.3% on GPQA Diamond.
When were GPT-5.4 Mini and Grok 4.1 Fast released?
GPT-5.4 Mini was released 17 Mar 2026 by OpenAI. Grok 4.1 Fast was released 19 Nov 2025 by xAI.

Other head-to-heads

56
Gemini 3.1 Pro Preview vs GPT-5.4 Mini30 shared evalsGPT-5.2 vs Grok 4.1 Fast30 shared evalsClaude Opus 4.5 vs Grok 4.1 Fast29 shared evalsClaude Sonnet 4.5 vs Grok 4.1 Fast28 shared evalsClaude Sonnet 4.6 vs GPT-5.4 Mini28 shared evalsGPT-5.4 Mini vs GPT-5.427 shared evalsGPT-5 Mini vs Grok 4.1 Fast26 shared evalsGPT-5.4 Mini vs GPT-5.526 shared evalsClaude Opus 4.8 vs GPT-5.4 Mini26 shared evalsClaude Opus 4.7 vs GPT-5.4 Mini26 shared evalsDeepSeek V3.2 vs Grok 4.1 Fast26 shared evalsGPT-5.5 vs Grok 4.1 Fast25 shared evalsGemini 3.1 Pro Preview vs Grok 4.1 Fast25 shared evalsGPT-5.4 Mini vs GPT-5.225 shared evalsClaude Opus 4.5 vs GPT-5.4 Mini25 shared evalsClaude Fable 5 vs GPT-5.4 Mini25 shared evalsClaude Opus 4.6 vs Grok 4.1 Fast25 shared evalsClaude Opus 4.6 vs GPT-5.4 Mini25 shared evalsGPT-5.4 vs Grok 4.1 Fast25 shared evalsGPT-5.4 Mini vs Kimi K2.525 shared evalsGPT-5.4 Mini vs GPT-5 Mini24 shared evalsGPT-5 Nano vs Grok 4.1 Fast24 shared evalsClaude Opus 4.8 vs Grok 4.1 Fast24 shared evalsClaude 4 Sonnet vs Grok 4.1 Fast24 shared evalsGrok 4.1 Fast vs Kimi K2.524 shared evalsGLM 5.1 vs GPT-5.4 Mini24 shared evalsClaude Opus 4.7 vs Grok 4.1 Fast24 shared evalsGPT-5.4 Mini vs Qwen3.6 Plus24 shared evalsGLM 4.7 vs Grok 4.1 Fast24 shared evalsClaude Sonnet 4.5 vs GPT-5.4 Mini23 shared evalsClaude Fable 5 vs Grok 4.1 Fast23 shared evalsGLM 5.1 vs Grok 4.1 Fast23 shared evalsClaude Sonnet 4.6 vs Grok 4.1 Fast22 shared evalsDeepSeek V3.2 vs GPT-5.4 Mini22 shared evalsGemini 2.5 Pro vs Grok 4.1 Fast22 shared evalsGrok 4.1 Fast vs Qwen3.6 Plus21 shared evalsGPT-5 vs Grok 4.1 Fast20 shared evalsGPT-5.4 Mini vs GPT-5 Nano20 shared evalsgpt-oss-120b vs Grok 4.1 Fast20 shared evalsClaude 4 Sonnet vs GPT-5.4 Mini19 shared evalsGLM 4.7 vs GPT-5.4 Mini19 shared evalsGemini 2.5 Pro vs GPT-5.4 Mini18 shared evalsGPT-5.4 Mini vs gpt-oss-120b17 shared evalsGPT-5 vs GPT-5.4 Mini16 shared evalsGPT-4o vs Grok 4.1 Fast16 shared evalsGPT-4o-mini vs Grok 4.1 Fast15 shared evalsGPT-4.1 Mini vs Grok 4.1 Fast14 shared evalsGPT-4.1 Nano vs Grok 4.1 Fast14 shared evalsGPT-4o vs GPT-5.4 Mini14 shared evalsGPT-4.1 vs Grok 4.1 Fast13 shared evalsGPT-4o-mini vs GPT-5.4 Mini12 shared evalsGPT-5.4 Mini vs GPT-6 Astra12 shared evalsGPT-4.1 Nano vs GPT-5.4 Mini12 shared evalsGPT-4.1 Mini vs GPT-5.4 Mini11 shared evalsGPT-4.1 vs GPT-5.4 Mini11 shared evalsGPT-6 Astra vs Grok 4.1 Fast10 shared evals

Comparing something else? Build your own side-by-side.