AI model comparison

MiMo-V2.6-Flash vs Hy4 preview

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

MiMo-V2.6-Flash is an open-source foundation model developed by Xiaomi.

Input / 1M
$0.14
Output / 1M
$0.28
Context
1.05M

Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total.

Input / 1M
$0.75
Output / 1M
$2.25
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-Flash

6.3x cheaper for a typical chat

Higher intelligence score

Tie

Not enough benchmark data

Larger context window

xiaomi logo

MiMo-V2.6-Flash

1.05M vs 1.05M tokens

Newer release

xiaomi logo

MiMo-V2.6-Flash

Released September 21, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

xiaomi logoMiMo-V2.6-Flash37.9
tencent logoHy4 previewNot available

Coding index

xiaomi logoMiMo-V2.6-FlashNot available
tencent logoHy4 previewNot available

Agentic index

xiaomi logoMiMo-V2.6-FlashNot available
tencent logoHy4 previewNot available

Pricing

MiMo-V2.6-Flash vs Hy4 preview API pricing

Per-token API rates. Cheaper option highlighted.

Metricxiaomi logoMiMo-V2.6-Flashtencent logoHy4 preview
Input tokensPer 1M tokens$0.14$0.75
Output tokensPer 1M tokens$0.28$2.25
Cached input (read)Per 1M tokens$0.00$0.04
Cache writePer 1M tokensNot availableNot available

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-Flash$0.42
tencent logoHy4 preview$2.63

Coding task

30K in, 4K out

xiaomi logoMiMo-V2.6-Flash$5.32$1.20 cached
tencent logoHy4 preview$31.52$10.14 cached

Long document summary

150K in, 2K out

xiaomi logoMiMo-V2.6-Flash$21.56$0.98 cached
tencent logoHy4 preview$117.09$10.17 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-Flashtencent logoHy4 preview
Context window1.05M tokens1.05M tokens
Max output131K tokens64K tokens
Input typesAudio, Image, Text, VideoText
Output typesTextText
Reasoning effort levelsNot availableHigh, Low, None
Default reasoning effortNot availableHigh
Release dateSeptember 21, 2026August 28, 2026

Features

Supported features

API features available for each model.

Metricxiaomi logoMiMo-V2.6-Flashtencent logoHy4 preview
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesSupportedSupported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

MiMo-V2.6-Flash is 6.3x cheaper for a typical chat. MiMo-V2.6-Flash has the larger context window (1.05M vs 1.05M tokens). 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-Flash or Hy4 preview cheaper?

MiMo-V2.6-Flash is cheaper for a typical chat (2K input tokens and 500 output tokens). MiMo-V2.6-Flash costs $0.14 per 1M input tokens and $0.28 per 1M output tokens, while Hy4 preview costs $0.75 per 1M input tokens and $2.25 per 1M output tokens.

Which has a bigger context window, MiMo-V2.6-Flash or Hy4 preview?

MiMo-V2.6-Flash supports up to 1.05M tokens of context, compared with 1.05M for Hy4 preview.

Can I use MiMo-V2.6-Flash and Hy4 preview at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see MiMo-V2.6-Flash and Hy4 preview answer side by side and keep the better response.

xiaomi logotencent logo

Why choose? Ask both.

Send one prompt to MiMo-V2.6-Flash and Hy4 preview at the same time. Compare the answers side by side and keep the best one.