DeepSeek V4 Flash Thinking is DeepSeek's language model with a 200K context window, starting at $0.25 / 1M input and $1.75 / 1M output. A fast-tier DeepSeek V4 LLM variant with integrated chain-of-thought reasoning, balancing speed and deep thinking capability.
Specifications
Canonical IDdeepseek-v4-flash-thinking
TypeLanguage
StatusActive
CreatorDeepSeekDeepSeek
Providers
Context Window200K tokens
Input ModalitiesText
Output ModalitiesText
Reasoning Effortsdefault

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities2/13
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
Libertai
libertai/deepseek-v4-flash-thinking
$0.25$1.75

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
DeepSeek V4.731 Flash USAvailable
DeepSeek V4 420 FlashAvailable
DeepSeek V4.4.1 FlashAvailable
DeepSeek V4.1 Flash Expires Exp1.0M$0.220$0.660Available
DeepSeek V4.1 Flash Beta1.0MAvailable
DeepSeek V4 Flash Vision Exp1.0M$0.220$0.660Available
DeepSeek V4 Flash1.3M$0.030$0.177Deprecating
DeepSeek V4 Flash Thinking200K$0.250$1.75Current
DeepSeek V4 Flash VisionAvailable
DeepSeek V4 Flash 7311.0M$0.140$0.280Available
DeepSeek V4 Flash USAvailable

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
DeepSeek V4 ProPro1.0M$0.624$1.98
DeepSeek V4 ProPro
DeepSeek V4 ProPro1.0M$0.435$0.870
DeepSeek V4 Pro 813Pro1.0M$1.32$3.96
DeepSeek V4 Pro USPro

Model IDs

deepseek-v4-flash-thinking
libertai/deepseek-v4-flash-thinking