DeepSeek V4 Flash 0731 vs LongCat 2.0

Price, context window & benchmark comparison

DeepSeek V4 Flash 0731

DeepSeek

$0.03 / $0.32

Input / Output · per 1M tokens

LongCat 2.0

Meituan

$0.30 / $1.20

Input / Output · per 1M tokens

Compare different models

Verdict: DeepSeek V4 Flash 0731 is 5.1× cheaper than LongCat 2.0 on a typical 3:1 input/output mix. DeepSeek V4 Flash 0731 scores higher on the Artificial Analysis Intelligence Index (34.3 vs 19.1). DeepSeek V4 Flash 0731 has the larger context window (1.3M vs 1M).

	DeepSeek V4 Flash 0731	LongCat 2.0
Input price / 1M	$0.03	$0.30
Output price / 1M	$0.32	$1.20
Blended price (3:1)	$0.10	$0.52
Cached input / 1M	$0.016	$0.006
Context window	1.3M	1M
Max output	944K	262K
Intelligence index	34.3	19.1
Coding index	69.1	45.3
Providers	30	—
Best provider uptime (30m)	100.0%	—
Vision input	No	No
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-07-31	2026-07-20
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V4 Flash 0731 or LongCat 2.0?

DeepSeek V4 Flash 0731 is 5.1× cheaper than LongCat 2.0 on a typical 3:1 input/output mix.

DeepSeek V4 Flash 0731 vs LongCat 2.0: which has a bigger context window?

DeepSeek V4 Flash 0731: 1,310,720 tokens. LongCat 2.0: 1,048,756 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4 Flash 0731 ≈ $220.00, LongCat 2.0 ≈ $1,200.

More comparisons