Hy4 vs Seed 2.1 Turbo

Price, context window & benchmark comparison

Tencent

Hy4

Tencent
$0.42 / $1.25
Input / Output · per 1M tokens
VS
ByteDance Seed

Seed 2.1 Turbo

ByteDance Seed
$0.50 / $2.50
Input / Output · per 1M tokens
Compare different models
Tencent
ByteDance Seed
Verdict: Hy4 is 37% cheaper than Seed 2.1 Turbo on a typical 3:1 input/output mix. Hy4 has the larger context window (1M vs 262K).
Hy4Seed 2.1 Turbo
Input price / 1M$0.42$0.50
Output price / 1M$1.25$2.50
Blended price (3:1)$0.63$1.00
Cached input / 1M$0.021—
Context window1M262K
Max output66K236K
Intelligence index34.6—
Coding index——
Providers11
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-11-042026-08-12
Retirement——

Cost calculator

FAQ

Which is cheaper, Hy4 or Seed 2.1 Turbo?

Hy4 is 37% cheaper than Seed 2.1 Turbo on a typical 3:1 input/output mix.

Hy4 vs Seed 2.1 Turbo: which has a bigger context window?

Hy4: 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: Hy4 ≈ $1,459, Seed 2.1 Turbo ≈ $2,250.

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