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LLM Gateway

DeepSeek V4.1 Flash (SCX.ai) API

LLM Gateway
About

Process massive datasets with DeepSeek V4.1 Flash (SCX.ai), featuring an expansive 1.0M context window for long-document analysis. This model delivers cost-effective pricing at $0.15/1M input and $0.60/1M output tokens, open weights architecture. Access DeepSeek V4.1 Flash (SCX.ai) via the LLM Gateway API with up to 384K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
No
Structured Output
No
Tool Use
No
WeightsOpen
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
1.0M

Tokens

Input Limit
1.0M

Tokens

Max Output
384K

Tokens

Pricing

Standard (per 1M tokens)

Input
$0.15
Output
$0.60

Caching (per 1M tokens)

Read
$0.01
Frequently Asked Questions

DeepSeek V4.1 Flash (SCX.ai) by LLM Gateway costs $0.15 per 1M input tokens and $0.60 per 1M output tokens. Cached reads cost $0.01 per 1M tokens.

Model Details
ID
scx-ai-gp/deepseek-v4.1-flash
Provider
LLM Gateway
Family
deepseek-flash
Release Date
Sep 10, 2026
Knowledge Cutoff
May 1, 2025
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
LLMGATEWAY_API_KEY
API Base URL
https://api.llmgateway.io/v1
Documentation