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DeepSeek V4
frontierNewOpen SourceDeepSeek
DeepSeek's latest flagship MoE model with 1.6T parameters and 49B active. Dramatically expands context to 1M tokens with optional thinking mode — still at a fraction of the cost of Western labs.
open-sourcelong-contextcost-effectivemoe
Context
1M
Input / 1M
$1.74
Output / 1M
$3.48
Knowledge cutoff
2025-06
Capabilities
Code5/5
Reasoning5/5
Multilingual3/5
Safety2/5
Speed3/5
Modalities & Features
Vision (image input) No
Audio No
Video No
Function / tool calling Yes
JSON mode Yes
Extended thinking Yes
Context & Output
Context window1M
Max output tokens32.768K
Knowledge cutoff2025-06
Release date2026-03
API & Access
Open source Yes
Streaming Yes
Batch API No
Prompt caching Yes
Fine-tuning No
Pricing (per 1M tokens)
Input$1.74
Output$3.48
Consumer plan
DeepSeek Chat
Free
Prices shown are list prices and may vary by provider plan. Always check official documentation for the latest pricing.