MiMo-V2.6-Pro-UltraSpeed vs Seed 2.1 Turbo

Price, context window & benchmark comparison

MiMo-V2.6-Pro-UltraSpeed

Xiaomi

$4.35 / $8.70

Input / Output · per 1M tokens

Seed 2.1 Turbo

ByteDance Seed

$0.50 / $2.50

Input / Output · per 1M tokens

Compare different models

Verdict: Seed 2.1 Turbo is 5.4× 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	Seed 2.1 Turbo
Input price / 1M	$4.35	$0.50
Output price / 1M	$8.70	$2.50
Blended price (3:1)	$5.44	$1.00
Cached input / 1M	$0.036	—
Context window	1M	262K
Max output	131K	236K
Intelligence index	—	—
Coding index	—	—
Providers	1	1
Best provider uptime (30m)	100.0%	100.0%
Vision input	Yes	Yes
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-09-21	2026-08-12
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, MiMo-V2.6-Pro-UltraSpeed or Seed 2.1 Turbo?

Seed 2.1 Turbo is 5.4× cheaper than MiMo-V2.6-Pro-UltraSpeed on a typical 3:1 input/output mix.

MiMo-V2.6-Pro-UltraSpeed vs Seed 2.1 Turbo: which has a bigger context window?

MiMo-V2.6-Pro-UltraSpeed: 1,048,576 tokens. Seed 2.1 Turbo: 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, Seed 2.1 Turbo ≈ $2,250.

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