DeepSeek V4.1 Flash vs LongCat 2.0

Price, context window & benchmark comparison

DeepSeek V4.1 Flash

DeepSeek

$0.14 / $0.42

Input / Output · per 1M tokens

LongCat 2.0

Meituan

$0.30 / $1.20

Input / Output · per 1M tokens

Compare different models

Verdict: DeepSeek V4.1 Flash is 2.5× cheaper than LongCat 2.0 on a typical 3:1 input/output mix. DeepSeek V4.1 Flash scores higher on the Artificial Analysis Intelligence Index (39.5 vs 19.1). LongCat 2.0 has the larger context window (1M vs 1M).

	DeepSeek V4.1 Flash	LongCat 2.0
Input price / 1M	$0.14	$0.30
Output price / 1M	$0.42	$1.20
Blended price (3:1)	$0.21	$0.52
Cached input / 1M	$0.0042	$0.006
Context window	1M	1M
Max output	131K	262K
Intelligence index	39.5	19.1
Coding index	—	45.3
Providers	26	—
Best provider uptime (30m)	100.0%	—
Vision input	Yes	No
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-09-10	2026-07-20
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V4.1 Flash or LongCat 2.0?

DeepSeek V4.1 Flash is 2.5× cheaper than LongCat 2.0 on a typical 3:1 input/output mix.

DeepSeek V4.1 Flash vs LongCat 2.0: which has a bigger context window?

DeepSeek V4.1 Flash: 1,048,576 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 V4.1 Flash ≈ $490.00, LongCat 2.0 ≈ $1,200.

DeepSeek V4.1 Flash vs LongCat 2.0