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InferX

deepseek-v4-flash API

InferX
About

Build advanced reasoning agents with deepseek-v4-flash, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers available completely free of charge, native tool calling support, open weights architecture. Access deepseek-v4-flash via the InferX API with up to 100K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
Yes
Structured Output
Yes
Tool Use
Yes
WeightsOpen
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
1.0M

Tokens

Input Limit
1.0M

Tokens

Max Output
100K

Tokens

Pricing

Standard (per 1M tokens)

Input
Free
Output
Free
Frequently Asked Questions

deepseek-v4-flash by InferX costs Free per 1M input tokens and Free per 1M output tokens.

Model Details
ID
deepseek-v4-flash
Provider
InferX
Family
deepseek-flash
Release Date
Apr 24, 2026
Knowledge Cutoff
May 1, 2025
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
INFERX_API_KEY
API Base URL
https://model.inferx.net/endpoints/v1
Documentation