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GPT-4.1 mini vs Phi 4 Mini

GPT-4.1 mini leads the LLM Stats Score 14.0 to -4.1.

OpenAI · Microsoft · Updated for 2026

Which is better?

GPT-4.1 mini leads the overall LLM Stats Score 14.0 to -4.1, ranking #245 overall.

In the 2 individual benchmarks reported for both models, GPT-4.1 mini wins 2; 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 GPT-4.1 mini

  • overall performance matters — it scores 14.0 and ranks #245 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • you want the most recent training data — it shipped Apr 2025

Choose Phi 4 Mini

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

At a glance

The differences that matter most.

GPT-4.1 mini
OpenAI
Phi 4 Mini
Microsoft
Core performance indexes
LLM Stats Score
14.0
#245
-4.1
#353
Reasoning
13.9
#238
-4.2
#346
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$0.40 / M
— / M
Output price
$1.60 / M
— / M
Context window
1,047,576
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GPT-4.1 mini
Phi 4 Mini
Math
13.6#226
2.3#294
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

28 reported for GPT-4.1 mini · 17 for Phi 4 Mini

2 shared

GPT-4.1 mini outperforms in 2 benchmarks (GPQA, MMLU), while Phi 4 Mini is better at 0 benchmarks.

GPT-4.1 mini significantly outperforms across most benchmarks.

Wed Sep 23 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only GPT-4.1 mini specifies input context (1,047,576 tokens). Only GPT-4.1 mini specifies output context (32,768 tokens).

OpenAI
GPT-4.1 mini
Input1,047,576 tokens
Output32,768 tokens
Microsoft
Phi 4 Mini
Input- tokens
Output- tokens
Wed Sep 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-4.1 mini supports multimodal inputs, whereas Phi 4 Mini does not.

GPT-4.1 mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-4.1 mini

Text
Images
Audio
Video

Phi 4 Mini

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-4.1 mini 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.

GPT-4.1 mini

Proprietary

Closed source

Phi 4 Mini

MIT

Open weights

Release Timeline

When each model was launched

GPT-4.1 mini was released on 2025-04-14, while Phi 4 Mini was released on 2025-02-01.

GPT-4.1 mini is 2 months newer than Phi 4 Mini.

GPT-4.1 mini

Apr 14, 2025

1.4 years ago

2mo newer
Phi 4 Mini

Feb 1, 2025

1.6 years ago

Knowledge Cutoff

When training data ends

GPT-4.1 mini has a knowledge cutoff of 2024-05-31, while Phi 4 Mini has a cutoff of 2024-06-01.

Phi 4 Mini has more recent training data (up to 2024-06-01), making it potentially better informed about events through that date compared to GPT-4.1 mini (2024-05-31).

GPT-4.1 mini

May 2024

Phi 4 Mini

Jun 2024

1 mo newer

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against GPT-4.1 mini and Phi 4 Mini side-by-side, then vote on the output you prefer.

GPT-4.1 mini
✓ Preferred
Phi 4 Mini
Open in Playground

FAQ

Common questions about GPT-4.1 mini vs Phi 4 Mini.

Which is better, GPT-4.1 mini or Phi 4 Mini?

GPT-4.1 mini leads the LLM Stats Score 14.0 to -4.1. GPT-4.1 mini is made by OpenAI 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 GPT-4.1 mini compare to Phi 4 Mini in benchmarks?

GPT-4.1 mini scores CharXiv-D: 88.4%, MMLU: 87.5%, IFEval: 84.1%, MMMLU: 78.5%, MathVista: 73.1%. 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 GPT-4.1 mini and Phi 4 Mini?

GPT-4.1 mini supports 1.0M 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 GPT-4.1 mini and Phi 4 Mini?

Key differences include LLM Stats Score (14.0 vs -4.1), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4.1 mini and Phi 4 Mini?

GPT-4.1 mini is developed by OpenAI and Phi 4 Mini is developed by Microsoft.

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