AI model comparison

MiMo-V2.6-Pro vs Step 3.7 Flash

Side by side comparison of MiMo-V2.6-Pro and Step 3.7 Flash on pricing, benchmark scores, context window, and more.

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

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

Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model.

Input / 1M: $0.20
Output / 1M: $1.15
Context: 262K

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At a glance

Quick verdict

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

Lower price

Step 3.7 Flash

1.3x cheaper for a typical chat

Higher intelligence score

Not available

Not enough benchmark data

Larger context window

MiMo-V2.6-Pro

1.05M vs 262K tokens

Newer release

MiMo-V2.6-Pro

Released September 21, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

MiMo-V2.6-Pro29.9

Step 3.7 FlashNot available

Coding index

MiMo-V2.6-ProNot available

Step 3.7 Flash39.6

Agentic index

MiMo-V2.6-ProNot available

Step 3.7 FlashNot available

Pricing

MiMo-V2.6-Pro vs Step 3.7 Flash API pricing

Per-token API rates. Cheaper option highlighted.

Metric	MiMo-V2.6-Pro	Step 3.7 Flash
Input tokensPer 1M tokens	$0.44	$0.20
Output tokensPer 1M tokens	$0.87	$1.15
Cached input (read)Per 1M tokens	$0.00	$0.04
Cache writePer 1M tokens	Not available	Not 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

MiMo-V2.6-Pro$1.31

Step 3.7 Flash$0.98

Coding task

30K in, 4K out

MiMo-V2.6-Pro$16.53$3.59 cached

Step 3.7 Flash$10.60$5.80 cached

Long document summary

150K in, 2K out

MiMo-V2.6-Pro$66.99$2.28 cached

Step 3.7 Flash$32.30$8.30 cached

Specs

Context window and capabilities

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

Metric	MiMo-V2.6-Pro	Step 3.7 Flash
Context window	1.05M tokens	262K tokens
Max output	131K tokens	230K tokens
Input types	Audio, Image, Text, Video	Image, Text, Video
Output types	Text	Text
Reasoning effort levels	Not available	High, Medium, Low
Default reasoning effort	Not available	Medium
Release date	September 21, 2026	May 28, 2026

Features

Supported features

API features available for each model.

Metric	MiMo-V2.6-Pro	Step 3.7 Flash
Tool calling	Supported	Supported
Structured outputs	Supported	Supported
JSON mode	Supported	Supported
Reasoning	Supported	Supported
Temperature	Supported	Supported
Stop sequences	Supported	Supported
Deterministic seed	Supported	Supported
Verbosity control	Not supported	Not supported

Our take

Step 3.7 Flash is 1.3x cheaper for a typical chat. MiMo-V2.6-Pro has the larger context window (1.05M vs 262K 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-Pro or Step 3.7 Flash cheaper?

Step 3.7 Flash is cheaper for a typical chat (2K input tokens and 500 output tokens). Step 3.7 Flash costs $0.20 per 1M input tokens and $1.15 per 1M output tokens, while MiMo-V2.6-Pro costs $0.44 per 1M input tokens and $0.87 per 1M output tokens.

Which has a bigger context window, MiMo-V2.6-Pro or Step 3.7 Flash?

MiMo-V2.6-Pro supports up to 1.05M tokens of context, compared with 262K for Step 3.7 Flash.

Can I use MiMo-V2.6-Pro and Step 3.7 Flash at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see MiMo-V2.6-Pro and Step 3.7 Flash answer side by side and keep the better response.

Why choose? Ask both.

Send one prompt to MiMo-V2.6-Pro and Step 3.7 Flash at the same time. Compare the answers side by side and keep the best one.

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