DeepSeek V4 Flash 0731 vs Hy3 preview

Price, context window & benchmark comparison

DeepSeek V4 Flash 0731

DeepSeek

$0.0434 / $0.30

Input / Output · per 1M tokens

Hy3 preview

Tencent

$0.18 / $0.60

Input / Output · per 1M tokens

Compare different models

Verdict: DeepSeek V4 Flash 0731 is 2.6× cheaper than Hy3 preview on a typical 3:1 input/output mix. DeepSeek V4 Flash 0731 has the larger context window (1M vs 262K).

	DeepSeek V4 Flash 0731	Hy3 preview
Input price / 1M	$0.0434	$0.18
Output price / 1M	$0.30	$0.60
Blended price (3:1)	$0.11	$0.29
Cached input / 1M	$0.035	$0.06
Context window	1M	262K
Max output	944K	236K
Intelligence index	—	—
Coding index	69.1	58.8
Providers	27	—
Best provider uptime (30m)	100.0%	—
Vision input	No	No
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-07-31	2026-04-22
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V4 Flash 0731 or Hy3 preview?

DeepSeek V4 Flash 0731 is 2.6× cheaper than Hy3 preview on a typical 3:1 input/output mix.

DeepSeek V4 Flash 0731 vs Hy3 preview: which has a bigger context window?

DeepSeek V4 Flash 0731: 1,048,576 tokens. Hy3 preview: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4 Flash 0731 ≈ $236.80, Hy3 preview ≈ $660.00.

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