NanoGPTDeepSeek V4.1 Flash

NanoGPT

DeepSeek V4.1 Flash

DeepSeek V4.1 Flash model for reasoning and agentic coding

deepseek/deepseek-v4.1-flash
Context
1M
Max output
384K
Input $/M
$0.15
Output $/M
$0.60
Cache read $/M
$0.003
Cache write $/M

Against the catalogue

Context window1M

Larger than 82% of the 7,784 models listed

Input price$0.15

Cheaper than 73% of priced models

Capabilities

Reasoningsupported
Tool callingsupported
Structured outputsupported
Attachmentssupported
Temperaturesupported
Open weightssupported
Interleaved thinkingnot supported

Modalities

Input
TextImage
Output
Text

Reasoning controls

effortnone, low, high, max

Pricing detail

RateBase $/M
Input$0.15
Output$0.60
Cache read$0.003