DeepSeek-V4-Flash-0731

deepseek

DeepSeek-V4-Flash-0731 is the official release of DeepSeek-V4-Flash, superseding the preview version, with substantially enhanced agentic capabilities. DeepSeek-V4-Flash-0731 outperforms DeepSeek-V4-Pro (Preview) on benchmarks listed below despite its far smaller activated parameter count, and is broadly competitive with the strongest proprietary models available.

Context
1.0M
Input price
$0.06/1M tokens
Output price
$0.18/1M tokens

Capabilities

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

Details

Model IDdeepseek-ai/DeepSeek-V4-Flash-0731
Provider DeepInfra
Creator DeepSeek
Family—
Licensedeepseek
Statusactive
Typechat
Input modalitiestext
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
$0.06
Output
$0.18
Cache write
—
Cache read
$0.02
Batch in
—
Batch out
—

API

GET/v1/models/deepinfra/deepseek-ai/DeepSeek-V4-Flash-0731

DeepSeek-V4-Flash-0731

deepseek-ai/DeepSeek-V4-Flash-0731

DeepSeek-V4-Flash-0731 is the official release of DeepSeek-V4-Flash, superseding the preview version, with substantially enhanced agentic capabilities. DeepSeek-V4-Flash-0731 outperforms DeepSeek-V4-Pro (Preview) on benchmarks listed below despite its far smaller activated parameter count, and is broadly competitive with the strongest proprietary models available.

Changes · 5 entries
deepseek-ai/DeepSeek-V4-Flash-0731createca7a400Nov 2, 2026, 03:02 AM
deepseek-ai/DeepSeek-V4-Flash-0731update5cd8ca9Sep 6, 2026, 06:34 AM
pricinginput$0.08→$0.06cached input$0.016→$0.015
deepseek-ai/DeepSeek-V4-Flash-0731updatebe35184Aug 17, 2026, 04:02 AM
quantizationfp4→fp8
deepseek-ai/DeepSeek-V4-Flash-0731update3cddff5Aug 13, 2026, 02:54 AM
pricinginput$0.09→$0.08cached input$0.018→$0.016
deepseek-ai/DeepSeek-V4-Flash-0731create86db01cAug 2, 2026, 08:20 AM