DeepSeek V4.1 Flash vs GLM 5.2

Price, context window & benchmark comparison

DeepSeek V4.1 Flash

DeepSeek

$0.14 / $0.42

Input / Output · per 1M tokens

GLM 5.2

Z.ai (Zhipu)

$0.65 / $2.04

Input / Output · per 1M tokens

Compare different models

Verdict: DeepSeek V4.1 Flash is 4.8× cheaper than GLM 5.2 on a typical 3:1 input/output mix. DeepSeek V4.1 Flash scores higher on the Artificial Analysis Intelligence Index (39.5 vs 33.7).

	DeepSeek V4.1 Flash	GLM 5.2
Input price / 1M	$0.14	$0.65
Output price / 1M	$0.42	$2.04
Blended price (3:1)	$0.21	$1.00
Cached input / 1M	$0.0042	$0.12
Context window	1M	1M
Max output	131K	131K
Intelligence index	39.5	33.7
Coding index	—	68.8
Providers	26	—
Best provider uptime (30m)	100.0%	—
Vision input	Yes	No
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-09-10	2026-06-16
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V4.1 Flash or GLM 5.2?

DeepSeek V4.1 Flash is 4.8× cheaper than GLM 5.2 on a typical 3:1 input/output mix.

DeepSeek V4.1 Flash vs GLM 5.2: which has a bigger context window?

DeepSeek V4.1 Flash: 1,048,576 tokens. GLM 5.2: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash ≈ $490.00, GLM 5.2 ≈ $2,320.

DeepSeek V4.1 Flash vs GLM 5.2