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LFM2.5-VL-3B vs Phi 4 Reasoning Plus

Phi 4 Reasoning Plus significantly outperforms across most benchmarks.

Liquid AI · Microsoft · Updated for 2026

Which is better?

LFM2.5-VL-3B outperforms in 0 benchmarks, while Phi 4 Reasoning Plus is better at 1 benchmark (IFEval). Phi 4 Reasoning Plus significantly outperforms across most benchmarks.

Based on current benchmark, pricing, and model metadata for 2026.

Choose LFM2.5-VL-3B

  • you want the most recent training data — it shipped Aug 2026

Choose Phi 4 Reasoning Plus

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks

At a glance

The differences that matter most.

Benchmark wins
0 of 1
1 of 1
Input price
— / M
— / M
Output price
— / M
— / M
Context window
Released
Aug 2026
Apr 2025
License
LFM Open License v1.0
MIT

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

LFM2.5-VL-3B outperforms in 0 benchmarks, while Phi 4 Reasoning Plus is better at 1 benchmark (IFEval).

Phi 4 Reasoning Plus significantly outperforms across most benchmarks.

Tue Aug 25 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Model Size

Parameter count comparison

10.9B diff

Phi 4 Reasoning Plus has 10.9B more parameters than LFM2.5-VL-3B, making it 348.2% larger.

Liquid AI
LFM2.5-VL-3B
3.1Bparameters
Microsoft
Phi 4 Reasoning Plus
14.0Bparameters
3.1B
LFM2.5-VL-3B
14.0B
Phi 4 Reasoning Plus

Input Capabilities

Supported data types and modalities

LFM2.5-VL-3B supports multimodal inputs, whereas Phi 4 Reasoning Plus does not.

LFM2.5-VL-3B can handle both text and other forms of data like images, making it suitable for multimodal applications.

LFM2.5-VL-3B

Text
Images
Audio
Video

Phi 4 Reasoning Plus

Text
Images
Audio
Video

License

Usage and distribution terms

LFM2.5-VL-3B is licensed under LFM Open License v1.0, while Phi 4 Reasoning Plus uses MIT.

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

LFM2.5-VL-3B

LFM Open License v1.0

Open weights

Phi 4 Reasoning Plus

MIT

Open weights

Release Timeline

When each model was launched

LFM2.5-VL-3B was released on 2026-08-12, while Phi 4 Reasoning Plus was released on 2025-04-30.

LFM2.5-VL-3B is 16 months newer than Phi 4 Reasoning Plus.

LFM2.5-VL-3B

Aug 12, 2026

1 weeks ago

1.3yr newer
Phi 4 Reasoning Plus

Apr 30, 2025

1.3 years ago

Knowledge Cutoff

When training data ends

Phi 4 Reasoning Plus has a documented knowledge cutoff of 2025-03-01, while LFM2.5-VL-3B's cutoff date is not specified.

We can confirm Phi 4 Reasoning Plus's training data extends to 2025-03-01, but cannot make a direct comparison without LFM2.5-VL-3B's cutoff date.

LFM2.5-VL-3B

Phi 4 Reasoning Plus

Mar 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against LFM2.5-VL-3B and Phi 4 Reasoning Plus side-by-side, then vote on the output you prefer.

LFM2.5-VL-3B
✓ Preferred
Phi 4 Reasoning Plus
Open in Playground

FAQ

Common questions about LFM2.5-VL-3B vs Phi 4 Reasoning Plus.

Which is better, LFM2.5-VL-3B or Phi 4 Reasoning Plus?

Phi 4 Reasoning Plus significantly outperforms across most benchmarks. LFM2.5-VL-3B is made by Liquid AI and Phi 4 Reasoning Plus is made by Microsoft. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does LFM2.5-VL-3B compare to Phi 4 Reasoning Plus in benchmarks?

LFM2.5-VL-3B scores DocVQA: 91.1%, POPE: 88.7%, RefCOCO-avg: 87.9%, TextVQA: 84.3%, OCRBench: 84.2%. Phi 4 Reasoning Plus scores FlenQA: 97.9%, HumanEval+: 92.3%, IFEval: 84.9%, OmniMath: 81.9%, AIME 2024: 81.3%.

What are the main differences between LFM2.5-VL-3B and Phi 4 Reasoning Plus?

Key differences include multimodal support (yes vs no), licensing (LFM Open License v1.0 vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes LFM2.5-VL-3B and Phi 4 Reasoning Plus?

LFM2.5-VL-3B is developed by Liquid AI and Phi 4 Reasoning Plus is developed by Microsoft.