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GPT-4o vs MiMo-V2.6-Pro

MiMo-V2.6-Pro leads the LLM Stats Score 40.6 to 11.5.

OpenAI · Xiaomi · Updated for 2026

Which is better?

MiMo-V2.6-Pro leads the overall LLM Stats Score 40.6 to 11.5, ranking #57 overall.

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

Choose GPT-4o

  • you want predictable pricing at $2.50/M input and $10.00/M output

Choose MiMo-V2.6-Pro

  • overall performance matters — it scores 40.6 and ranks #57 on LLM Stats
  • your work emphasizes coding — it leads those capability indexes
  • 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.

Core performance indexes
11.5
#260
40.6
#57
11.7
#155
34.1
#35
Cost, coverage & limits
Benchmark wins
Input price
$2.50 / M
— / M
Output price
$10.00 / M
— / M
Context window
128,000

Individual benchmarks

8 reported for GPT-4o · 3 for MiMo-V2.6-Pro

No common benchmarks found

GPT-4o 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-4o specifies input context (128,000 tokens). Only GPT-4o specifies output context (4,096 tokens).

OpenAI
GPT-4o
Input128,000 tokens
Output4,096 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-4o and MiMo-V2.6-Pro support multimodal inputs.

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

GPT-4o

Text
Images
Audio
Video

MiMo-V2.6-Pro

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-4o 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-4o

Proprietary

Closed source

MiMo-V2.6-Pro

MIT

Open weights

Release Timeline

When each model was launched

GPT-4o was released on 2024-05-13, while MiMo-V2.6-Pro was released on 2026-09-22.

MiMo-V2.6-Pro is 29 months newer than GPT-4o.

GPT-4o

May 13, 2024

2.4 years ago

MiMo-V2.6-Pro

Sep 22, 2026

-1 days ago

2.4yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against GPT-4o and MiMo-V2.6-Pro side-by-side, then vote on the output you prefer.

GPT-4o
✓ Preferred
MiMo-V2.6-Pro
Open in Playground

FAQ

Common questions about GPT-4o vs MiMo-V2.6-Pro.

Which is better, GPT-4o or MiMo-V2.6-Pro?

MiMo-V2.6-Pro leads the LLM Stats Score 40.6 to 11.5. GPT-4o 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-4o compare to MiMo-V2.6-Pro in benchmarks?

GPT-4o scores MGSM: 90.5%, HumanEval: 90.2%, MMLU: 88.7%, DROP: 83.4%, MATH: 76.6%. 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-4o and MiMo-V2.6-Pro?

GPT-4o supports 128K 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-4o and MiMo-V2.6-Pro?

Key differences include LLM Stats Score (11.5 vs 40.6), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4o and MiMo-V2.6-Pro?

GPT-4o is developed by OpenAI and MiMo-V2.6-Pro is developed by Xiaomi.