DeepSeek V4.1 Flash vs GPT-4.1 Mini

Price, context window & benchmark comparison

DeepSeek V4.1 Flash

DeepSeek

$0.14 / $0.42

Input / Output · per 1M tokens

GPT-4.1 Mini

OpenAI

$0.40 / $1.60

Input / Output · per 1M tokens

Compare different models

Verdict: DeepSeek V4.1 Flash is 3.3× cheaper than GPT-4.1 Mini on a typical 3:1 input/output mix. DeepSeek V4.1 Flash has the larger context window (1M vs 1M).

	DeepSeek V4.1 Flash	GPT-4.1 Mini
Input price / 1M	$0.14	$0.40
Output price / 1M	$0.42	$1.60
Blended price (3:1)	$0.21	$0.70
Cached input / 1M	$0.0042	$0.10
Context window	1M	1M
Max output	131K	33K
Intelligence index	39.5	—
Coding index	—	20.2
Providers	26	—
Best provider uptime (30m)	100.0%	—
Vision input	Yes	Yes
Reasoning	Yes	No
Tool calling	Yes	Yes
Released	2026-09-10	2025-04-14
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V4.1 Flash or GPT-4.1 Mini?

DeepSeek V4.1 Flash is 3.3× cheaper than GPT-4.1 Mini on a typical 3:1 input/output mix.

DeepSeek V4.1 Flash vs GPT-4.1 Mini: which has a bigger context window?

DeepSeek V4.1 Flash: 1,048,576 tokens. GPT-4.1 Mini: 1,047,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash ≈ $490.00, GPT-4.1 Mini ≈ $1,600.

DeepSeek V4.1 Flash vs GPT-4.1 Mini