DeepSeek V4.1 Flash vs GLM 5.3

Price, context window & benchmark comparison

DeepSeek V4.1 Flash

DeepSeek

$0.14 / $0.42

Input / Output · per 1M tokens

GLM 5.3

Z.ai (Zhipu)

$0.84 / $2.64

Input / Output · per 1M tokens

Compare different models

Verdict: DeepSeek V4.1 Flash is 6.1× cheaper than GLM 5.3 on a typical 3:1 input/output mix. GLM 5.3 scores higher on the Artificial Analysis Intelligence Index (44.8 vs 39.5). GLM 5.3 has the larger context window (1.3M vs 1M).

	DeepSeek V4.1 Flash	GLM 5.3
Input price / 1M	$0.14	$0.84
Output price / 1M	$0.42	$2.64
Blended price (3:1)	$0.21	$1.29
Cached input / 1M	$0.0042	$0.16
Context window	1M	1.3M
Max output	131K	131K
Intelligence index	39.5	44.8
Coding index	—	74.8
Providers	26	34
Best provider uptime (30m)	100.0%	100.0%
Vision input	Yes	No
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-09-10	2026-08-18
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V4.1 Flash or GLM 5.3?

DeepSeek V4.1 Flash is 6.1× cheaper than GLM 5.3 on a typical 3:1 input/output mix.

DeepSeek V4.1 Flash vs GLM 5.3: which has a bigger context window?

DeepSeek V4.1 Flash: 1,048,576 tokens. GLM 5.3: 1,310,720 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash ≈ $490.00, GLM 5.3 ≈ $3,000.

DeepSeek V4.1 Flash vs GLM 5.3