MiMo-V2.6-Pro-UltraSpeed vs o4 Mini

Price, context window & benchmark comparison

MiMo-V2.6-Pro-UltraSpeed

Xiaomi

$4.35 / $8.70

Input / Output · per 1M tokens

o4 Mini

OpenAI

$1.10 / $4.40

Input / Output · per 1M tokens

Compare different models

Verdict: o4 Mini is 2.8× 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 200K).

	MiMo-V2.6-Pro-UltraSpeed	o4 Mini
Input price / 1M	$4.35	$1.10
Output price / 1M	$8.70	$4.40
Blended price (3:1)	$5.44	$1.93
Cached input / 1M	$0.036	$0.28
Context window	1M	200K
Max output	131K	100K
Intelligence index	—	—
Coding index	—	—
Providers	1	—
Best provider uptime (30m)	100.0%	—
Vision input	Yes	Yes
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-09-21	2025-04-16
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, MiMo-V2.6-Pro-UltraSpeed or o4 Mini?

o4 Mini is 2.8× cheaper than MiMo-V2.6-Pro-UltraSpeed on a typical 3:1 input/output mix.

MiMo-V2.6-Pro-UltraSpeed vs o4 Mini: which has a bigger context window?

MiMo-V2.6-Pro-UltraSpeed: 1,048,576 tokens. o4 Mini: 200,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: MiMo-V2.6-Pro-UltraSpeed ≈ $13,050, o4 Mini ≈ $4,400.

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