Compare/Phi-4 vs Grok 3 mini Reasoning (high)

Phi-4vsGrok 3 mini Reasoning (high)

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

Microsoft Azure

Phi-4

Input
$0.125/M
Output
$0.5/M
Speed
37 tok/s
TTFT
0.41s
xAI

Grok 3 mini Reasoning (high)

Input
$0.3/M
Output
$0.5/M
Speed
197 tok/s
TTFT
0.38s

Winner by Category

Cheaper
Phi-4
Faster (tok/s)
Grok 3 mini Reasoning (high)
Lower Latency
Grok 3 mini Reasoning (high)
Benchmarks (0-12)
Grok 3 mini Reasoning (high)

Pricing Comparison

MetricPhi-4Grok 3 mini Reasoning (high)
Input ($/M tokens)$0.125$0.3
Output ($/M tokens)$0.5$0.5
Cost for 1M input + 100K output tokens:
Phi-4$0.17
Grok 3 mini Reasoning (high)$0.35

Speed Comparison

Output Speed (tokens/s) — higher is better
Phi-4
37 tok/s
Grok 3 mini Reasoning (high)
197 tok/s
Time to First Token (seconds) — lower is better
Phi-4
0.41s
Grok 3 mini Reasoning (high)
0.38s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
10.432.1
Coding Index
11.225.2
Math Index
18.084.7
GPQA Diamond
57.5%79.1%
MMLU-Pro
71.4%82.8%
LiveCodeBench
23.1%69.6%
AIME 2025
18.0%84.7%
MATH-500
81.0%99.2%
Humanity's Last Exam
4.1%11.1%
SciCode
26.0%40.6%
IFBench
23.5%45.9%
TerminalBench
3.8%17.4%
Phi-40 wins
12 winsGrok 3 mini Reasoning (high)

Frequently Asked Questions

Which is cheaper, Phi-4 or Grok 3 mini Reasoning (high)?

Phi-4 is cheaper overall. Its blended price (3:1 input/output ratio) is $0.22/M tokens vs $0.35/M for Grok 3 mini Reasoning (high).

Which model performs better on benchmarks?

Grok 3 mini Reasoning (high) wins 12 out of 12 benchmarks compared to 0 for Phi-4. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Grok 3 mini Reasoning (high) generates tokens faster at 197 tok/s vs 37 tok/s. However, Grok 3 mini Reasoning (high) has lower time-to-first-token (0.38s vs 0.41s).

When should I use Phi-4 vs Grok 3 mini Reasoning (high)?

Choose based on your priorities: Phi-4 for lower cost, Grok 3 mini Reasoning (high) for stronger benchmark performance, and Grok 3 mini Reasoning (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.