DeepSeek V4.1 Flash Beta is DeepSeek's language model with a 1.0M context window and up to 384K output tokens. An experimental beta large language model with reasoning, tool-use, implicit caching, and vision support, offering fast responses ahead of its scheduled expiration.
Specifications
Canonical IDdeepseek-v4-1-flash-beta
TypeLanguage
StatusActive
CreatorDeepSeekDeepSeek
Providers
Context Window1.0M tokens
Max Output384K tokens
Input ModalitiesImage
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 1 month ago

Capabilities

Input1/5
Text·
Image✓
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities3/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Vercel AI Gateway logo
Vercel AI Gateway
deepseek/deepseek-v4.1-flash-beta
$0.22$0.66$0.007

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
DeepSeek V4 Flash 0731 P————Available
DeepSeek V4.731 Flash US————Available
DeepSeek V4 420 Flash————Available
DeepSeek V4.4.1 Flash————Available
DeepSeek V4.1 Flash Fast1.0M$0.600$2.40Available
DeepSeek V4.1 Flash Expires Exp1.0M$0.150$0.600Deprecating
DeepSeek V4.1 Flash Beta1.0M——Current
DeepSeek V4.1 Flash DST————Available
DeepSeek V4.1 Flash P————Available
DeepSeek V4.1 Flash US—1.0M$0.450$1.80Available
DeepSeek V4 Flash Vision Exp1.0M$0.216$0.647Deprecated

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
DeepSeek V4 ProPro1.0M$0.660$1.98
DeepSeek V4 Pro 0813 PPro————
DeepSeek V4 ProPro————
DeepSeek V4 ProPro1.0M$0.250$0.870
DeepSeek V4 Pro 813Pro—1.0M$1.32$3.96
DeepSeek V4 Pro USPro————

Model IDs

deepseek-v4-1-flash-beta
deepseek/deepseek-v4.1-flash-beta