deepseek-v4.1-flash

Name: deepseek-v4.1-flash
Author: Vercel AI Gateway

Context

Input price

$0.07/1M tokens

Output price

$0.3/1M tokens

Capabilities

vision

tool call

structured output

reasoning

json mode

streaming

fine tuning

batch

Details

Model IDdeepseek/deepseek-v4.1-flash

ProviderVercel AI Gateway

CreatorDeepSeek

Familydeepseek

License—

Parameters—

Status—

Input modalitiestext

Output modalitiestext

Architecture—

Knowledge cutoff—

Training data cutoff—

Release date—

Deprecation date—

Typechat

Reasoning tokens—

Max input—

Open weight—

Sourceofficial

Last updated2026-09-26

Tools

Function Callingfunction_calling

Call external functions and APIs

Pricing

Input

$0.07

↓22%$0.09

Output

$0.3

↓29%$0.42

Cache write

—

Cache read

—

Batch in

—

Batch out

—

Price history · $/1M input

$0.15

$0.13

$0.12

$0.1

$0.09

$0.07

Sep 10Sep 22Sep 23Sep 24Sep 25Sep 26

Date	Input	Output	Change
Sep 10, 2026	$0.15	$0.6	—
Sep 22, 2026f13f134	$0.13	$0.52	↓13%
Sep 23, 202628ec4f5	$0.12	$0.42	↓8%
Sep 24, 2026118451a	$0.1	$0.42	↓17%
Sep 25, 202699b2555	$0.09	$0.42	↓10%
Sep 26, 20269cb03f8	$0.07	$0.3	↓22%

Input is ↓53% since Sep 10, 2026, from $0.15 to $0.07 per 1M tokens.

Price across providers

Provider	Input	Output	Since launch
Vercel AI Gatewaycheapest	$0.07	$0.3	↓53%
OpenRouter	$0.14	$0.42	↓53%
Novita AI	$0.3	$1.2	—

Family Comparison: deepseek

Model	Caps	Perf	Speed	Context	Max out	Pricing
deepseek-v4-flash-0731	RVTS	—	—	1M	—	$0.03$0.15
deepseek-v4-flash	RVTS	—	—	1M	384K	$0.06$0.18
deepseek-v4.1-flash	RVTS	—	—	1M	—	$0.07$0.3
deepseek-v4-flash-vision-exp	RVTS	—	—	1M	384K	$0.22$0.65
deepseek-v4.1-flash-beta	RVTS	—	—	1M	—	$0.22$0.66
deepseek-v3.1	RVTS	—	—	164K	—	$0.25$0.95
deepseek-v3.2-thinking	RVTS	—	—	164K	—	$0.26$0.38
deepseek-v3.2	RVTS	—	—	164K	—	$0.26$0.38
deepseek-v3.1-terminus	RVTS	—	—	131K	—	$0.27$1
deepseek-v3	RVTS	—	—	164K	—	$0.27$1.12
deepseek-v4-pro-0813	RVTS	—	—	1M	—	$0.66$1.98
deepseek-v4-pro	RVTS	—	—	1M	384K	$0.66$1.98

API

GET/v1/models/vercel/deepseek/deepseek-v4.1-flash

deepseek-v4.1-flash

deepseek/deepseek-v4.1-flash

Changes · 6 entries

deepseek/deepseek-v4.1-flashupdate9cb03f8Sep 26, 2026, 06:38 AM

pricinginput$0.09→$0.07output$0.42→$0.3

deepseek/deepseek-v4.1-flashupdate99b2555Sep 25, 2026, 06:38 AM

pricinginput$0.1→$0.09

deepseek/deepseek-v4.1-flashupdate118451aSep 24, 2026, 07:08 AM

pricinginput$0.12→$0.1

deepseek/deepseek-v4.1-flashupdate28ec4f5Sep 23, 2026, 06:40 AM

pricinginput$0.13→$0.12output$0.52→$0.42

deepseek/deepseek-v4.1-flashupdatef13f134Sep 22, 2026, 06:39 AM

pricinginput$0.15→$0.13output$0.6→$0.52

deepseek/deepseek-v4.1-flashcreate8e0a0b7Sep 10, 2026, 06:38 AM