DeepSeek V4.1 Flash 1017 vs Seed 1.6 Flash

Price, context window & benchmark comparison

DeepSeek

DeepSeek V4.1 Flash 1017

DeepSeek
$0.098 / $0.29
Input / Output · per 1M tokens
VS
ByteDance Seed

Seed 1.6 Flash

ByteDance Seed
$0.075 / $0.30
Input / Output · per 1M tokens
Compare different models
DeepSeek
ByteDance Seed
Verdict: Seed 1.6 Flash is 11% cheaper than DeepSeek V4.1 Flash 1017 on a typical 3:1 input/output mix. DeepSeek V4.1 Flash 1017 has the larger context window (1M vs 262K).
DeepSeek V4.1 Flash 1017Seed 1.6 Flash
Input price / 1M$0.098$0.075
Output price / 1M$0.29$0.30
Blended price (3:1)$0.15$0.13
Cached input / 1M$0.0029—
Context window1M262K
Max output393K33K
Intelligence index28.6—
Coding index——
Providers47—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-10-172025-12-23
Retirement—2026-11-11

Cost calculator

FAQ

Which is cheaper, DeepSeek V4.1 Flash 1017 or Seed 1.6 Flash?

Seed 1.6 Flash is 11% cheaper than DeepSeek V4.1 Flash 1017 on a typical 3:1 input/output mix.

DeepSeek V4.1 Flash 1017 vs Seed 1.6 Flash: which has a bigger context window?

DeepSeek V4.1 Flash 1017: 1,048,576 tokens. Seed 1.6 Flash: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash 1017 ≈ $343.00, Seed 1.6 Flash ≈ $300.00.

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