DeepSeek V4.1 Flash vs GPT Chat Latest

Price, context window & benchmark comparison

DeepSeek V4.1 Flash

DeepSeek

$0.14 / $0.42

Input / Output · per 1M tokens

GPT Chat Latest

OpenAI

$5.00 / $30.00

Input / Output · per 1M tokens

Compare different models

Verdict: DeepSeek V4.1 Flash is 53.6× cheaper than GPT Chat Latest on a typical 3:1 input/output mix. DeepSeek V4.1 Flash has the larger context window (1M vs 400K).

	DeepSeek V4.1 Flash	GPT Chat Latest
Input price / 1M	$0.14	$5.00
Output price / 1M	$0.42	$30.00
Blended price (3:1)	$0.21	$11.25
Cached input / 1M	$0.0042	$0.50
Context window	1M	400K
Max output	131K	128K
Intelligence index	39.5	—
Coding index	—	—
Providers	26	—
Best provider uptime (30m)	100.0%	—
Vision input	Yes	Yes
Reasoning	Yes	No
Tool calling	Yes	Yes
Released	2026-09-10	2026-05-05
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V4.1 Flash or GPT Chat Latest?

DeepSeek V4.1 Flash is 53.6× cheaper than GPT Chat Latest on a typical 3:1 input/output mix.

DeepSeek V4.1 Flash vs GPT Chat Latest: which has a bigger context window?

DeepSeek V4.1 Flash: 1,048,576 tokens. GPT Chat Latest: 400,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash ≈ $490.00, GPT Chat Latest ≈ $25,000.

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