The AI arena is free today

Open Superagent

Grok-1.5V vs Phi 4 Mini Reasoning

Phi 4 Mini Reasoning leads the LLM Stats Score 7.2 to -0.8.

xAI · Microsoft · Updated for 2026

Which is better?

Phi 4 Mini Reasoning leads the overall LLM Stats Score 7.2 to -0.8, ranking #288 overall.

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

Choose Grok-1.5V

  • you are already invested in the xAI ecosystem

Choose Phi 4 Mini Reasoning

  • overall performance matters — it scores 7.2 and ranks #288 on LLM Stats
  • you want the most recent training data — it shipped Apr 2025
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Grok-1.5V
xAI
Phi 4 Mini Reasoning
Microsoft
Core performance indexes
LLM Stats Score
-0.8
#331
7.2
#288
Reasoning
-0.1
#318
7.5
#279
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Individual benchmarks

7 reported for Grok-1.5V · 3 for Phi 4 Mini Reasoning

No common benchmarks found

Grok-1.5V and Phi 4 Mini Reasoningdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Input capabilities

Documented input modalities across available providers

Grok-1.5V supports multimodal inputs, whereas Phi 4 Mini Reasoning does not.

Grok-1.5V can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok-1.5V

Text
Images
Audio
Video

Phi 4 Mini Reasoning

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-1.5V is licensed under a proprietary license, while Phi 4 Mini Reasoning uses MIT.

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

Grok-1.5V

Proprietary

Closed source

Phi 4 Mini Reasoning

MIT

Open weights

Release Timeline

When each model was launched

Grok-1.5V was released on 2024-04-12, while Phi 4 Mini Reasoning was released on 2025-04-30.

Phi 4 Mini Reasoning is 13 months newer than Grok-1.5V.

Grok-1.5V

Apr 12, 2024

2.4 years ago

Phi 4 Mini Reasoning

Apr 30, 2025

1.4 years ago

1.0yr newer

Knowledge Cutoff

When training data ends

Phi 4 Mini Reasoning has a documented knowledge cutoff of 2025-02-01, while Grok-1.5V's cutoff date is not specified.

We can confirm Phi 4 Mini Reasoning's training data extends to 2025-02-01, but cannot make a direct comparison without Grok-1.5V's cutoff date.

Grok-1.5V

—

Phi 4 Mini Reasoning

Feb 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Grok-1.5V and Phi 4 Mini Reasoning side-by-side, then vote on the output you prefer.

Grok-1.5V
✓ Preferred
Phi 4 Mini Reasoning
Open in Playground

FAQ

Common questions about Grok-1.5V vs Phi 4 Mini Reasoning.

Which is better, Grok-1.5V or Phi 4 Mini Reasoning?

Phi 4 Mini Reasoning leads the LLM Stats Score 7.2 to -0.8. Grok-1.5V is made by xAI and Phi 4 Mini Reasoning 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-1.5V compare to Phi 4 Mini Reasoning in benchmarks?

Grok-1.5V scores AI2D: 88.3%, DocVQA: 85.6%, TextVQA: 78.1%, ChartQA: 76.1%, RealWorldQA: 68.7%. Phi 4 Mini Reasoning scores MATH-500: 94.6%, AIME: 57.5%, GPQA: 52.0%.

What are the main differences between Grok-1.5V and Phi 4 Mini Reasoning?

Key differences include LLM Stats Score (-0.8 vs 7.2), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-1.5V and Phi 4 Mini Reasoning?

Grok-1.5V is developed by xAI and Phi 4 Mini Reasoning is developed by Microsoft.

Related comparisons