MiMo-V2.6-Pro-UltraSpeed vs Step 3.7 Flash

Price, context window & benchmark comparison

MiMo-V2.6-Pro-UltraSpeed

Xiaomi

$4.35 / $8.70

Input / Output · per 1M tokens

Step 3.7 Flash

StepFun

$0.20 / $1.15

Input / Output · per 1M tokens

Compare different models

Verdict: Step 3.7 Flash is 12.4× cheaper than MiMo-V2.6-Pro-UltraSpeed on a typical 3:1 input/output mix. MiMo-V2.6-Pro-UltraSpeed has the larger context window (1M vs 262K).

	MiMo-V2.6-Pro-UltraSpeed	Step 3.7 Flash
Input price / 1M	$4.35	$0.20
Output price / 1M	$8.70	$1.15
Blended price (3:1)	$5.44	$0.44
Cached input / 1M	$0.036	$0.04
Context window	1M	262K
Max output	131K	230K
Intelligence index	—	—
Coding index	—	39.6
Providers	1	—
Best provider uptime (30m)	100.0%	—
Vision input	Yes	Yes
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-09-21	2026-05-28
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, MiMo-V2.6-Pro-UltraSpeed or Step 3.7 Flash?

Step 3.7 Flash is 12.4× cheaper than MiMo-V2.6-Pro-UltraSpeed on a typical 3:1 input/output mix.

MiMo-V2.6-Pro-UltraSpeed vs Step 3.7 Flash: which has a bigger context window?

MiMo-V2.6-Pro-UltraSpeed: 1,048,576 tokens. Step 3.7 Flash: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: MiMo-V2.6-Pro-UltraSpeed ≈ $13,050, Step 3.7 Flash ≈ $975.00.

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