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Grok-3 vs Phi 4 Mini

Grok-3 leads the LLM Stats Score 30.7 to -4.1.

xAI · Microsoft · Updated for 2026

Which is better?

Grok-3 leads the overall LLM Stats Score 30.7 to -4.1, ranking #110 overall.

In the 1 individual benchmarks reported for both models, Grok-3 wins 1; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Grok-3

  • overall performance matters — it scores 30.7 and ranks #110 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Feb 2025

Choose Phi 4 Mini

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Grok-3
xAI
Phi 4 Mini
Microsoft
Core performance indexes
LLM Stats Score
30.7
#110
-4.1
#335
Reasoning
30.4
#109
-4.2
#328
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$3.00 / M
— / M
Output price
$15.00 / M
— / M
Context window
128,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Grok-3
Phi 4 Mini
Math
29.4#82
2.7#283
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

5 reported for Grok-3 · 17 for Phi 4 Mini

1 shared

Grok-3 outperforms in 1 benchmarks (GPQA), while Phi 4 Mini is better at 0 benchmarks.

Grok-3 significantly outperforms across most benchmarks.

Sun Sep 06 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Grok-3 specifies input context (128,000 tokens). Only Grok-3 specifies output context (8,000 tokens).

xAI
Grok-3
Input128,000 tokens
Output8,000 tokens
Microsoft
Phi 4 Mini
Input- tokens
Output- tokens
Sun Sep 06 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Grok-3 supports multimodal inputs, whereas Phi 4 Mini does not.

Grok-3 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok-3

Text
Images
Audio
Video

Phi 4 Mini

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-3 is licensed under a proprietary license, while Phi 4 Mini uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Grok-3

Proprietary

Closed source

Phi 4 Mini

MIT

Open weights

Release Timeline

When each model was launched

Grok-3 was released on 2025-02-17, while Phi 4 Mini was released on 2025-02-01.

Grok-3 is 1 month newer than Phi 4 Mini.

Grok-3

Feb 17, 2025

1.5 years ago

2w newer
Phi 4 Mini

Feb 1, 2025

1.6 years ago

Knowledge Cutoff

When training data ends

Grok-3 has a knowledge cutoff of 2024-11-17, while Phi 4 Mini has a cutoff of 2024-06-01.

Grok-3 has more recent training data (up to 2024-11-17), making it potentially better informed about events through that date compared to Phi 4 Mini (2024-06-01).

Grok-3

Nov 2024

5 mo newer
Phi 4 Mini

Jun 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Grok-3 and Phi 4 Mini side-by-side, then vote on the output you prefer.

Grok-3
✓ Preferred
Phi 4 Mini
Open in Playground

FAQ

Common questions about Grok-3 vs Phi 4 Mini.

Which is better, Grok-3 or Phi 4 Mini?

Grok-3 leads the LLM Stats Score 30.7 to -4.1. Grok-3 is made by xAI and Phi 4 Mini is made by Microsoft. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Grok-3 compare to Phi 4 Mini in benchmarks?

Grok-3 scores AIME 2024: 93.3%, AIME 2025: 93.3%, GPQA: 84.6%, LiveCodeBench: 79.4%, MMMU: 78.0%. Phi 4 Mini scores GSM8k: 88.6%, ARC-C: 83.7%, BoolQ: 81.2%, OpenBookQA: 79.2%, PIQA: 77.6%.

What are the context window sizes for Grok-3 and Phi 4 Mini?

Grok-3 supports 128K tokens and Phi 4 Mini supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok-3 and Phi 4 Mini?

Key differences include LLM Stats Score (30.7 vs -4.1), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-3 and Phi 4 Mini?

Grok-3 is developed by xAI and Phi 4 Mini is developed by Microsoft.

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