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MiMo-V2.5-Pro vs Phi 4 Mini Reasoning

MiMo-V2.5-Pro leads the LLM Stats Score 24.7 to 7.2.

Xiaomi · Microsoft · Updated for 2026

Which is better?

MiMo-V2.5-Pro leads the overall LLM Stats Score 24.7 to 7.2, ranking #161 overall.

The models split the 2 individual benchmarks reported for both models evenly.

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

Choose MiMo-V2.5-Pro

  • overall performance matters — it scores 24.7 and ranks #161 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Apr 2026

Choose Phi 4 Mini Reasoning

  • you are already invested in the Microsoft ecosystem

At a glance

The differences that matter most.

MiMo-V2.5-Pro
Xiaomi
Phi 4 Mini Reasoning
Microsoft
Core performance indexes
LLM Stats Score
24.7
#161
7.2
#289
Reasoning
24.1
#159
7.5
#280
Cost, coverage & limits
Benchmark wins
1 of 2
1 of 2
Input price
$0.43 / M
— / M
Output price
$0.87 / M
— / M
Context window
1,048,576
—

Individual benchmarks

31 reported for MiMo-V2.5-Pro · 3 for Phi 4 Mini Reasoning

2 shared

MiMo-V2.5-Pro outperforms in 1 benchmarks (GPQA), while Phi 4 Mini Reasoning is better at 1 benchmark (AIME).

Both models are evenly matched across the benchmarks.

Tue Sep 15 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

1019.4B diff

MiMo-V2.5-Pro has 1019.4B more parameters than Phi 4 Mini Reasoning, making it 26827.5% larger.

Xiaomi
MiMo-V2.5-Pro
1.0Tparameters
Microsoft
Phi 4 Mini Reasoning
3.8Bparameters
1023.2B
MiMo-V2.5-Pro
3.8B
Phi 4 Mini Reasoning

Context Window

Maximum input and output token capacity

Only MiMo-V2.5-Pro specifies input context (1,048,576 tokens). Only MiMo-V2.5-Pro specifies output context (131,072 tokens).

Xiaomi
MiMo-V2.5-Pro
Input1,048,576 tokens
Output131,072 tokens
Microsoft
Phi 4 Mini Reasoning
Input- tokens
Output- tokens
Tue Sep 15 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under MIT.

Both models share the same licensing terms, providing consistent usage rights.

MiMo-V2.5-Pro

MIT

Open weights

Phi 4 Mini Reasoning

MIT

Open weights

Release Timeline

When each model was launched

MiMo-V2.5-Pro was released on 2026-04-27, while Phi 4 Mini Reasoning was released on 2025-04-30.

MiMo-V2.5-Pro is 12 months newer than Phi 4 Mini Reasoning.

MiMo-V2.5-Pro

Apr 27, 2026

4 months ago

12mo newer
Phi 4 Mini Reasoning

Apr 30, 2025

1.4 years ago

Knowledge Cutoff

When training data ends

Phi 4 Mini Reasoning has a documented knowledge cutoff of 2025-02-01, while MiMo-V2.5-Pro'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 MiMo-V2.5-Pro's cutoff date.

MiMo-V2.5-Pro

—

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 MiMo-V2.5-Pro and Phi 4 Mini Reasoning side-by-side, then vote on the output you prefer.

MiMo-V2.5-Pro
✓ Preferred
Phi 4 Mini Reasoning
Open in Playground

FAQ

Common questions about MiMo-V2.5-Pro vs Phi 4 Mini Reasoning.

Which is better, MiMo-V2.5-Pro or Phi 4 Mini Reasoning?

MiMo-V2.5-Pro leads the LLM Stats Score 24.7 to 7.2. MiMo-V2.5-Pro is made by Xiaomi 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 MiMo-V2.5-Pro compare to Phi 4 Mini Reasoning in benchmarks?

MiMo-V2.5-Pro scores FrontierSWE (Impl.): 100.0%, GSM8k: 99.6%, ARC-C: 97.2%, MMLU-Redux: 92.8%, C-Eval: 91.5%. Phi 4 Mini Reasoning scores MATH-500: 94.6%, AIME: 57.5%, GPQA: 52.0%.

What are the context window sizes for MiMo-V2.5-Pro and Phi 4 Mini Reasoning?

MiMo-V2.5-Pro supports 1.0M tokens and Phi 4 Mini Reasoning 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 MiMo-V2.5-Pro and Phi 4 Mini Reasoning?

Key differences include LLM Stats Score (24.7 vs 7.2). See the full comparison above for benchmark-by-benchmark results.

Who makes MiMo-V2.5-Pro and Phi 4 Mini Reasoning?

MiMo-V2.5-Pro is developed by Xiaomi and Phi 4 Mini Reasoning is developed by Microsoft.

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