AI model comparison

MiMo-V2.6-Pro vs GPT-5.6 Sol

Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.

MiMo-V2.6-Pro is the flagship foundation model developed by Xiaomi.

Input / 1M
$0.44
Output / 1M
$0.87
Context
1.05M

GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series.

Input / 1M
$2
Output / 1M
$10
Context
1.05M

At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

xiaomi logo

MiMo-V2.6-Pro

6.9x cheaper for a typical chat

Higher intelligence score

openai logo

GPT-5.6 Sol

47 vs 46.3 on Artificial Analysis

Larger context window

Tie

1.05M vs 1.05M tokens

Newer release

xiaomi logo

MiMo-V2.6-Pro

Released September 21, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

xiaomi logoMiMo-V2.6-Pro46.3
openai logoGPT-5.6 Sol47

Coding index

xiaomi logoMiMo-V2.6-ProNot available
openai logoGPT-5.6 Sol77.4

Agentic index

xiaomi logoMiMo-V2.6-ProNot available
openai logoGPT-5.6 Sol50.2

Pricing

MiMo-V2.6-Pro vs GPT-5.6 Sol API pricing

Per-token API rates. Cheaper option highlighted.

Metricxiaomi logoMiMo-V2.6-Proopenai logoGPT-5.6 Sol
Input tokensPer 1M tokens$0.44$2
Output tokensPer 1M tokens$0.87$10
Cached input (read)Per 1M tokens$0.00$0.20
Cache writePer 1M tokensNot available$2.50
Long-context pricingPer 1M tokens, for very long promptsSame rate at any length$4 in / $15 out above 272K
Web searchPer requestNot available$0.01

What it costs in practice

Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.

Chat message

2K in, 500 out

xiaomi logoMiMo-V2.6-Pro$1.31
openai logoGPT-5.6 Sol$9

Coding task

30K in, 4K out

xiaomi logoMiMo-V2.6-Pro$16.53$3.59 cached
openai logoGPT-5.6 Sol$100$46 cached

Long document summary

150K in, 2K out

xiaomi logoMiMo-V2.6-Pro$66.99$2.28 cached
openai logoGPT-5.6 Sol$320$50 cached

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricxiaomi logoMiMo-V2.6-Proopenai logoGPT-5.6 Sol
Context window1.05M tokens1.05M tokens
Max output131K tokens128K tokens
Input typesAudio, Image, Text, VideoFile, Image, Text
Output typesTextText
Reasoning effort levelsNot availableMax, Extra high, High, Medium, Low, None
Default reasoning effortNot availableMedium
Release dateSeptember 21, 2026July 9, 2026

Features

Supported features

API features available for each model.

Metricxiaomi logoMiMo-V2.6-Proopenai logoGPT-5.6 Sol
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedNot supported
Stop sequencesSupportedNot supported
Deterministic seedSupportedSupported
Verbosity controlNot supportedSupported

Our take

MiMo-V2.6-Pro is 6.9x cheaper for a typical chat. GPT-5.6 Sol scores higher on the Artificial Analysis Intelligence Index (47 vs 46.3). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is MiMo-V2.6-Pro or GPT-5.6 Sol cheaper?

MiMo-V2.6-Pro is cheaper for a typical chat (2K input tokens and 500 output tokens). MiMo-V2.6-Pro costs $0.44 per 1M input tokens and $0.87 per 1M output tokens, while GPT-5.6 Sol costs $2 per 1M input tokens and $10 per 1M output tokens.

Which has a bigger context window, MiMo-V2.6-Pro or GPT-5.6 Sol?

MiMo-V2.6-Pro supports up to 1.05M tokens of context, compared with 1.05M for GPT-5.6 Sol.

Is MiMo-V2.6-Pro smarter than GPT-5.6 Sol?

On the Artificial Analysis Intelligence Index, MiMo-V2.6-Pro scores 46.3 and GPT-5.6 Sol scores 47, putting GPT-5.6 Sol ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use MiMo-V2.6-Pro and GPT-5.6 Sol at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see MiMo-V2.6-Pro and GPT-5.6 Sol answer side by side and keep the better response.

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Why choose? Ask both.

Send one prompt to MiMo-V2.6-Pro and GPT-5.6 Sol at the same time. Compare the answers side by side and keep the best one.