ChatGPT vs Vercel AI Gateway comparison

ChatGPT and Vercel AI Gateway compared side by side in AI.

CurrencyUSDKRWEUR

ChatGPT

The most widely used general-purpose AI chatbot. Chat, writing, coding, image generation and web search in one place

What is good

  • No. 1 in users, so plenty of guides and tips
  • Widest range of features
  • Polished app and voice chat

What could be better

  • Tight usage limits on the free plan
  • Top features need the expensive Pro plans

ChatGPT official site

Vercel AI Gateway

An LLM API gateway from Vercel with 0% markup, where you top up credits and then use models from several providers at list price

What is good

  • 0% token markup and platform fee (0% for BYOK too)
  • $5 free usage per month
  • Budget and observability features

What could be better

  • Payment processing fees are borne by the user
  • The free tier covers only some models with low rate limits

Vercel AI Gateway official site

At a glance

Highlighted rows are where they differ.

ItemChatGPTVisit siteVercel AI GatewayVisit site
Starting price$8+Official USD priceCheck siteNot applicable
Free tierFree plan availableFree plan available
Korean supportGoodLimited
Main models
  • GPT-6 (Sol)
  • GPT-6 Luna
  • GPT-6 Pro (Astra)
  • GPT-6.1 Sol
  • Image: ChatGPT Images 2.5
Models from many providers such as OpenAI, Anthropic, Google, xAI and MiniMax (the free tier covers only some models)
Pricing type-Pay-as-you-go/Credits, Free
TypeAI servicesAI apps
CategoryChatbot/Assistant, Image Generation, CodingAPI Aggregator
CompanyOpenAI, United StatesVercel Inc., United States
Plans
  • Free
  • Go $8
  • Plus $20
  • Pro $100/$200/$500
  • Business $25 (annual $20)
  • Enterprise/Edu
  • Pay-as-you-go (provider list price, 0% markup) + payment fees separate. Free tier: $5 free usage per month per team account (free-tier models only, low rate limits per model, forfeited when you buy credits). Add-on features (reporting, ZDR, allowlists) billed separately
Pros
  • No. 1 in users, so plenty of guides and tips
  • Widest range of features
  • Polished app and voice chat
  • 0% token markup and platform fee (0% for BYOK too)
  • $5 free usage per month
  • Budget and observability features
  • Guides for connecting coding agents such as Claude Code, Codex and Cursor
Cons
  • Tight usage limits on the free plan
  • Top features need the expensive Pro plans
  • Payment processing fees are borne by the user
  • The free tier covers only some models with low rate limits
  • BYOK only on the paid tier
  • Add-on features such as ZDR and reporting are billed separately

Prices and benefits may change. Check the official site before you pay.

Prices converted at 1 USD = ₩1,327.84 (2026-10-20). Original price shown in brackets. Taxes as listed by each provider.

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