DeepSeek V4.1 Flash Beta API
About
Build advanced reasoning agents with DeepSeek V4.1 Flash Beta, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.22/1M input and $0.66/1M output tokens, native tool calling support. Access DeepSeek V4.1 Flash Beta via the Vercel AI Gateway API with up to 384K output tokens.
Capabilities
Input Modalities
textimage
Output Modalities
text
Reasoning
Yes
Structured Output
Limits
Context Window
1.0M
Tokens
Input Limit
1.0M
Tokens
Max Output
384K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.22
Output
$0.66
Caching (per 1M tokens)
Read
$0.0070
Frequently Asked Questions
DeepSeek V4.1 Flash Beta by Vercel AI Gateway costs $0.22 per 1M input tokens and $0.66 per 1M output tokens. Cached reads cost $0.0070 per 1M tokens.
Model Details
ID
deepseek/deepseek-v4.1-flash-beta
Provider
Vercel AI GatewayFamily
deepseek
Release Date
Sep 8, 2026
Knowledge Cutoff
N/A
API Integration