Qwen3.8 Max Prime vs Seed 2.1 Turbo

Price, context window & benchmark comparison

Q

Qwen3.8 Max Prime

Qwen (Alibaba)
$4.00 / $12.00
Input / Output · per 1M tokens
VS
B

Seed 2.1 Turbo

ByteDance Seed
$0.50 / $2.50
Input / Output · per 1M tokens
Compare different models
Q
B
Verdict: Seed 2.1 Turbo is 6.0× cheaper than Qwen3.8 Max Prime on a typical 3:1 input/output mix. Qwen3.8 Max Prime has the larger context window (1M vs 262K).
Qwen3.8 Max PrimeSeed 2.1 Turbo
Input price / 1M$4.00$0.50
Output price / 1M$12.00$2.50
Blended price (3:1)$6.00$1.00
Cached input / 1M$0.50
Context window1M262K
Max output131K236K
Intelligence index
Coding index
Providers11
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-232026-08-12
Retirement

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FAQ

Which is cheaper, Qwen3.8 Max Prime or Seed 2.1 Turbo?

Seed 2.1 Turbo is 6.0× cheaper than Qwen3.8 Max Prime on a typical 3:1 input/output mix.

Qwen3.8 Max Prime vs Seed 2.1 Turbo: which has a bigger context window?

Qwen3.8 Max Prime: 1,000,000 tokens. Seed 2.1 Turbo: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Qwen3.8 Max Prime ≈ $14,000, Seed 2.1 Turbo ≈ $2,250.

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