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

Grok 3 mini Reasoning (high)vsPhi-4

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

xAI

Grok 3 mini Reasoning (high)

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

Phi-4

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

Winner by Category

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

Pricing Comparison

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

Speed Comparison

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

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
32.110.4
Coding Index
25.211.2
Math Index
84.718.0
GPQA Diamond
79.1%57.5%
MMLU-Pro
82.8%71.4%
LiveCodeBench
69.6%23.1%
AIME 2025
84.7%18.0%
MATH-500
99.2%81.0%
Humanity's Last Exam
11.1%4.1%
SciCode
40.6%26.0%
IFBench
45.9%23.5%
TerminalBench
17.4%3.8%
Grok 3 mini Reasoning (high)12 wins
0 winsPhi-4

Frequently Asked Questions

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

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. Grok 3 mini Reasoning (high) also has lower time-to-first-token (0.38s vs 0.41s).

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

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.