DeepSeek-V3.1

by DeepSeek · DeepSeek V3 family · released Aug 5, 2025
Open weights Active

Hybrid thinking + non-thinking mode V3.

Pricing

Launch price (from Aug 5, 2025)
$0.260 in / $1.10 out per 1M tokens
Current price (since Aug 5, 2025)
$0.260 in / $1.10 out per 1M tokens
Cache read: $0.026/M
TierEffectiveIn $/MOut $/MCache $/MPer imagePer secondSource
Standard Aug 5, 2025 – now $0.260 $1.10 $0.026 - - -

Specifications

Model typeText LLM
ArchitectureMoE
Parameters671 (37 active)
Context window163.8K tokens
Max output8.2K tokens
Knowledge cutoffJun 1, 2025
LicenseMIT License
Modalities Text input Text output
Tags Long context Reasoning
End of lifeNot disclosed
Last verifiedAug 20, 2026