The AI arena is free today

Open Superagent

GPT-5 mini vs MiMo-V2.6-Pro

MiMo-V2.6-Pro leads the LLM Stats Score 40.6 to 27.3.

OpenAI · Xiaomi · Updated for 2026

Which is better?

MiMo-V2.6-Pro leads the overall LLM Stats Score 40.6 to 27.3, ranking #57 overall.

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

Choose GPT-5 mini

  • you want predictable pricing at $0.25/M input and $2.00/M output

Choose MiMo-V2.6-Pro

  • overall performance matters — it scores 40.6 and ranks #57 on LLM Stats
  • you want the most recent training data — it shipped Sep 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

GPT-5 mini
OpenAI
MiMo-V2.6-Pro
Xiaomi
Core performance indexes
LLM Stats Score
27.3
#147
40.6
#57
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.25 / M
— / M
Output price
$2.00 / M
— / M
Context window
400,000
—

Individual benchmarks

5 reported for GPT-5 mini · 3 for MiMo-V2.6-Pro

No common benchmarks found

GPT-5 mini and MiMo-V2.6-Prodon'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

Context Window

Maximum input and output token capacity

Only GPT-5 mini specifies input context (400,000 tokens). Only GPT-5 mini specifies output context (128,000 tokens).

OpenAI
GPT-5 mini
Input400,000 tokens
Output128,000 tokens
Xiaomi
MiMo-V2.6-Pro
Input- tokens
Output- tokens
Mon Sep 21 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-5 mini and MiMo-V2.6-Pro support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-5 mini

Text
Images
Audio
Video

MiMo-V2.6-Pro

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5 mini is licensed under a proprietary license, while MiMo-V2.6-Pro uses MIT.

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

GPT-5 mini

Proprietary

Closed source

MiMo-V2.6-Pro

MIT

Open weights

Release Timeline

When each model was launched

GPT-5 mini was released on 2025-08-07, while MiMo-V2.6-Pro was released on 2026-09-22.

MiMo-V2.6-Pro is 14 months newer than GPT-5 mini.

GPT-5 mini

Aug 7, 2025

1.1 years ago

MiMo-V2.6-Pro

Sep 22, 2026

-1 days ago

1.1yr newer

Knowledge Cutoff

When training data ends

GPT-5 mini has a documented knowledge cutoff of 2024-05-30, while MiMo-V2.6-Pro's cutoff date is not specified.

We can confirm GPT-5 mini's training data extends to 2024-05-30, but cannot make a direct comparison without MiMo-V2.6-Pro's cutoff date.

GPT-5 mini

May 2024

MiMo-V2.6-Pro

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against GPT-5 mini and MiMo-V2.6-Pro side-by-side, then vote on the output you prefer.

GPT-5 mini
✓ Preferred
MiMo-V2.6-Pro
Open in Playground

FAQ

Common questions about GPT-5 mini vs MiMo-V2.6-Pro.

Which is better, GPT-5 mini or MiMo-V2.6-Pro?

MiMo-V2.6-Pro leads the LLM Stats Score 40.6 to 27.3. GPT-5 mini is made by OpenAI and MiMo-V2.6-Pro is made by Xiaomi. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-5 mini compare to MiMo-V2.6-Pro in benchmarks?

GPT-5 mini scores AIME 2025: 91.1%, HMMT 2025: 87.8%, GPQA: 82.3%, FrontierMath: 22.1%, Humanity's Last Exam: 16.7%. MiMo-V2.6-Pro scores DeepSWE 1.1: 71.9%, MiMo Coding Bench: 63.2%, Program Bench: 26.5%.

What are the context window sizes for GPT-5 mini and MiMo-V2.6-Pro?

GPT-5 mini supports 400K tokens and MiMo-V2.6-Pro 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-5 mini and MiMo-V2.6-Pro?

Key differences include LLM Stats Score (27.3 vs 40.6), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5 mini and MiMo-V2.6-Pro?

GPT-5 mini is developed by OpenAI and MiMo-V2.6-Pro is developed by Xiaomi.

Related comparisons