Coming on 2026-05-01

Vecstruct
AI Infrastructure Platform

One API to access all leading AI models and build your dedicated AI knowledge base.

AI Chat

AI is preparing a response...

// Just replace base_url — access all AI models instantly

from openai import OpenAI
 
# Replace base_url — access all AI models instantly
client = OpenAI(
api_key="sk-vecstruct-key",
base_url="https://api.vecstruct.com/v1"
)
 
# Switch freely: OpenAI / Google / Anthropic / xAI
response = client.chat.completions.create(
model="anthropic/claude-sonnet-4.6",
messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

100+ AI Models Supported

Unified access across five providers. One API Key, freely switch to the best AI model.

OpenAIOpenAI

GPT-4o / GPT-5

The most popular general-purpose models, multiple sizes

GoogleGoogle

Gemini 2.5

Leading multimodal understanding and ultra-long context

AnthropicAnthropic

Claude Sonnet / Opus

Deep analysis, precise reasoning, and safe responses

xAIxAI

Grok 3 / Grok 4

Real-time knowledge updates, efficient reasoning

Workers AIWorkers AI

Lightweight

Low latency, high speed — ideal for high-volume scenarios

More

100+ Models

Continuously expanding, each Gateway independently configurable

Vecstruct Core Features

One platform for AI model access, RAG Knowledge Engine, and memory system — from development to enterprise governance.

AI Gateway Unified Access

One API Key for 100+ AI models, 100% compatible with OpenAI SDK. Built-in fallback, rate limiting, and request caching.

RAG Knowledge Engine

Upload documents to build an AI knowledge base — auto-parsing and vectorization. Every answer comes with source citations and similarity scores.

Agent Memory

Give AI persistent memory across conversations. Remember user preferences and history with auto-extraction and semantic search.

OpenAI API Compatible

Just replace base_url — no code changes needed. Works with Python, Node.js, Go, and all OpenAI SDKs.

Audit Log

Every AI interaction fully recorded — track token consumption and cost breakdowns. Business plans support export and tamper-proof audit chains.

Budget Control & Alerts

Set monthly budget caps with alert notifications. Track token consumption and costs for each Gateway in real-time.

One platform, three modules.

AI Gateway is the zero-barrier entry point — just top up and use. Need knowledge retrieval or AI memory? Subscribe to unlock more capabilities.

AI Gateway

Core Entry

Unified access to 100+ AI models, fully compatible with OpenAI SDK. Multi-Gateway management, fallback models, rate limiting, and request caching. Pay-as-you-go, no subscription required.

RAG Knowledge Engine

Subscribe

Upload your documents — AI understands and answers precisely. Auto-parsing, chunking, vectorization, with source citations on every answer to reduce hallucinations.

Agent Memory

Subscribe

Give AI persistent memory across conversations. Remember user preferences and interaction history, with auto-extraction and semantic search for personalized AI.

What's the expense reimbursement limit for business travel?
Based on Employee Handbook 2024.pdf Page 45

Per company financial policy, domestic travel reimbursement is capped at $150/day. Claims must be submitted within 7 business days of return.

...all reimbursement claims must include original receipts or digital invoices, subject to department manager approval before processing by finance...

Do I need pre-approval?

Start from Zero, Grow as You Go

Gateway is the zero-barrier entry. Naturally upgrade as your needs grow. Different roles, different starting points, one clear path.

01

Developers

Need multi-model LLM API

Top up and use AI Gateway, pay-as-you-go

Start Free
02

Product Teams

Want AI to answer from own docs

Upgrade to Basic, enable RAG Knowledge Engine

Basic $10/mo
03

Enterprise IT / Compliance

Need AI usage audit reports

Business plan, Audit Log Export

Business $300/mo
04

Regulated Industries

Compliance & private deployment

Custom plan, tamper-proof audit + compliance templates

Custom

Get Started in 3 Steps

1

Sign Up Free

Create an account, get your API Key instantly.

2

Top Up or Subscribe

Add balance for Gateway pay-as-you-go; subscribe to unlock RAG and Memory.

3

Swap the URL

Replace base_url with Vecstruct — one line of code to access all AI models.

Transparent Pricing

Gateway pay-as-you-go, subscriptions unlock advanced features. Start free, scale as needed.

Free

Try AI Gateway instantly

US$0
  • AI Gateway 全模型
  • 200 Credits/mo
  • 1 project · 3 Gateway
  • Audit Log 7 days

Basic

Enable RAG & Memory

US$10/mo
  • AI Gateway 全模型
  • 1,500 Credits/mo
  • 5 projects · 10 Gateway
  • RAG + Memory
Popular

Pro

Most popular

US$30/mo
  • AI Gateway 全模型
  • 4,500 Credits/mo
  • 15 projects · 30 Gateway
  • Audit Export + Budget Cap

Business

Enterprise compliance

US$300/mo
  • AI Gateway 全模型
  • 45,000 Credits/mo
  • 50 projects · 100 Gateway
  • PII 遮罩 · Audit 365d

Ready to get started?

Sign up free, 200 Credits available instantly. Top up to start using AI Gateway with all models.

Documentation