DeepSeek-V4.1-Flash-1017

deepseek

DeepSeek-V4.1-Flash-1017 is a minor update to DeepSeek-V4.1-Flash, delivering substantial improvements across reasoning, coding, agentic tasks, and visual benchmarks. Alongside these gains, the model reduces task execution time and output length, enabling users to complete tasks faster and at lower cost and advancing the performance–cost Pareto frontier across multiple agent harnesses.

Context
1.0M
Input price
$0.2/1M tokens
Output price
$0.6/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Fine-tuning

Details

Model IDdeepseek-ai/DeepSeek-V4.1-Flash-1017
Provider DeepInfra
Creator DeepSeek
Family—
Licensedeepseek
Statusactive
Typechat
Input modalitiestext, image
Output modalitiestext
Open weightYes
Parameters—
Architecture—
Context window1.0M tokens
Max input—
Max output—
Reasoning tokensYes
Knowledge cutoff—
Release date—
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Endpoints

Chat CompletionsPOST
Generate chat responses with messageshttps://api.deepinfra.com/v1/openai/v1/chat/completions

Pricing

Input
$0.2
Output
$0.6
Cache write
—
Cache read
$0.01
Batch in
—
Batch out
—

API

GET/v1/models/deepinfra/deepseek-ai/DeepSeek-V4.1-Flash-1017