Release dates
— DeepSeek-V4-Flash-0731 entered public beta in the API. ↗
DeepSeek-V4-Flash-0731
The V4 Flash 0731 production API snapshot, now superseded by DeepSeek V4.1 Flash.
DeepSeek’s V4.1 Flash release says the old V4 Flash is offline; the compatibility model name `deepseek-v4-flash` is temporarily served by V4.1 Flash.
MODEL NUMBER103
- First public date
- 2026-07-31
- Organization
- DeepSeek
- Family
- DeepSeek V / R
01
Specifications
Only published specifications are shown.
- Total parameters
- 284B
- Active parameters
- 13B
- Architecture
- MoE
- Context
- 1,000,000 tokens
- Input modalities
- Text
- Status
- Retired↗
- Retirement date
- 2026-09-10
02
Overview
PreviousDeepSeek-V4-Flash-Preview284B · 1M ctx
CurrentDeepSeek-V4-Flash-0731284B · 1M ctx
04
Architecture & capabilities
Attention
DSA
Model capabilities
AgentCoding
API features
Adjustable reasoningResponses API
05
Release history
DeepSeek-V4-Flash-0731 entered public beta in the API.
View sourceDeepSeek V4 Flash 0731 was retired; the compatibility model name `deepseek-v4-flash` is temporarily served by V4.1 Flash.Effective date: 2026-09-10 · API
View source06
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07
Sources
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