DeepSeek V4 Flash 0731 vs Qwen3.8 Max (0902)

Price, context window & benchmark comparison

DeepSeek V4 Flash 0731

DeepSeek

$0.03 / $0.32

Input / Output · per 1M tokens

Qwen3.8 Max (0902)

Qwen (Alibaba)

$2.00 / $6.00

Input / Output · per 1M tokens

Compare different models

Verdict: DeepSeek V4 Flash 0731 is 29.3× cheaper than Qwen3.8 Max (0902) on a typical 3:1 input/output mix. Qwen3.8 Max (0902) scores higher on the Artificial Analysis Intelligence Index (45.4 vs 34.3). DeepSeek V4 Flash 0731 has the larger context window (1.3M vs 1M).

	DeepSeek V4 Flash 0731	Qwen3.8 Max (0902)
Input price / 1M	$0.03	$2.00
Output price / 1M	$0.32	$6.00
Blended price (3:1)	$0.10	$3.00
Cached input / 1M	$0.016	$0.25
Context window	1.3M	1M
Max output	944K	131K
Intelligence index	34.3	45.4
Coding index	69.1	76.2
Providers	30	1
Best provider uptime (30m)	100.0%	100.0%
Vision input	No	Yes
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-07-31	2026-09-03
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V4 Flash 0731 or Qwen3.8 Max (0902)?

DeepSeek V4 Flash 0731 is 29.3× cheaper than Qwen3.8 Max (0902) on a typical 3:1 input/output mix.

DeepSeek V4 Flash 0731 vs Qwen3.8 Max (0902): which has a bigger context window?

DeepSeek V4 Flash 0731: 1,310,720 tokens. Qwen3.8 Max (0902): 1,000,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4 Flash 0731 ≈ $220.00, Qwen3.8 Max (0902) ≈ $7,000.

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