AI Models · Open-Source vs Paid

XIMiMo-V2.6-Pro Open vs GPT-4o Paid

MiMo-V2.6-Pro vs GPT-4o compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

XIMiMo-V2.6-ProOpenXiaomi
$0.44 /M input
$0.87 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window1.1M tokens
MultimodalYes
Self-hostYes
GPT-4oPaidOpenAI
$2.5 /M input
$10 /M outputManaged API (no infra to run)
TypeProprietary
Context window128K tokens
MultimodalYes
Self-hostNo
Choose MiMo-V2.6-Pro if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose GPT-4o if you want frontier capability through a managed API with zero infrastructure to run.

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

SpecMiMo-V2.6-ProGPT-4oWinner
MakerXiaomiOpenAI–
TypeOpen-weightProprietaryXIMiMo-V2.6-Pro
Context window1.1M tokens128K tokensXIMiMo-V2.6-Pro
Input price$0.44/M · free self-host$2.5/MXIMiMo-V2.6-Pro
Output price$0.87/M · free self-host$10/MXIMiMo-V2.6-Pro
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableYesNo (API only)XIMiMo-V2.6-Pro
LicenseOpen weightsProprietaryXIMiMo-V2.6-Pro

Price gap & when to choose each

11×cheaper per output token

MiMo-V2.6-Pro is ~11× cheaper than GPT-4o on output tokens ($0.87 vs $10 per M tokens).

XIChoose MiMo-V2.6-Pro if…
  • You want to self-host or run on your cloud
  • You need the longer 1.1M context window
  • You prioritize data privacy & control
  • You want the lowest operating costs
  • You are building open or reproducible AI
Choose GPT-4o if…
  • You want frontier performance through a managed API
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityMiMo-V2.6-ProGPT-4o
Open weights (downloadable)✓✗
Self-hostable✓✗
Runs fully offline✓✗
Vision / multimodal✓✓
Tool / function calling✓✓
1M+ context window✓✗

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

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

MiMo-V2.6-Pro delivers 45× more intelligence per dollar.
MiMo-V2.6-Pro
GPT-4o
Intelligence index
46.3
8.4
Humanity's Last Exam
49.4%
2.4%
Long Context Reasoning
86.3%
49.3%
SciCode
60.9%
–
Math index
–
6
GPQA
–
54.3%
MMLU-Pro
–
74.8%
LiveCodeBench
–
30.9%
MATH-500
–
75.9%
AIME
–
15%
AIME 2025
–
6%
IFBench
–
34.3%
τ²-Bench
–
25.1%
Terminal-Bench Hard
–
8.3%
Speed
46 tok/s
0 tok/s
Latency
4.19s
0s
Intelligence per $
85.1
1.9

Benchmark data by Artificial Analysis.

How MiMo-V2.6-Pro and GPT-4o score

🏆 Best value & openness: MiMo-V2.6-Pro (5.0 vs 2.9 / 5)
CriterionMiMo-V2.6-ProGPT-4o
Cost-efficiency5.03.5
Context window5.03.5
Openness5.01.5
Self-hosting5.01.0
Multimodality5.05.0

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

MiMo-V2.6-Pro Open

Xiaomi · Open-weight

MiMo-V2.6-Pro is the flagship foundation model developed by Xiaomi. Built at a scale of over 1T parameters, it is designed to push the ceiling of capability for the most demanding...

GPT-4o Paid

OpenAI · Proprietary

GPT-4o ("o" for "omni") is OpenAI's latest AI model, supporting both text and image inputs with text outputs. It maintains the intelligence level of [GPT-4 Turbo](/models/openai/gpt-4-turbo) while being twice as...

Other models in these families

These variants are tracked but not compared here — one page per family keeps the comparison readable.

Other variants tracked
MiMo-V2.6-FlashMiMo-V2.5-ProMiMo-V2.5

Frequently asked questions

Is MiMo-V2.6-Pro as good as GPT-4o?

MiMo-V2.6-Pro is open-weight and competitive on many tasks, but GPT-4o may still lead on the hardest reasoning and agentic work. The gap keeps narrowing — benchmark both on your actual use case before deciding.

Can I run MiMo-V2.6-Pro locally?

Yes. MiMo-V2.6-Pro has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. GPT-4o is API-only and cannot be self-hosted.

How much cheaper is MiMo-V2.6-Pro?

MiMo-V2.6-Pro costs $0.87/M output vs $10/M for GPT-4o — roughly 11x cheaper via API, and free if you self-host.

MiMo-V2.6-Pro vs GPT-4o — which should I pick in 2026?

Choose MiMo-V2.6-Pro if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose GPT-4o if you want frontier capability through a managed API with zero infrastructure to run.

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