OpenAI API

by OpenAI · San Francisco, United States · Since 2020

GPT models and tools via API.

AI agent & LLM development platforms AI toolsRecommendedAI poweredTrending

Starting price: Pay as you go
Free trial / plan: Free trial
Deployment: Cloud; Web
App Advisor rating: 4.4; transparency & India fit

What is OpenAI API?

OpenAI API is ai agent & llm development platforms from OpenAI, based in San Francisco, United States and has been building software since 2020. GPT models and tools via API.

AI agent platforms let developers and teams build assistants on top of language models — retrieval over company data, tool use, workflows and monitoring. Model providers offer APIs; orchestration tools add the plumbing.

Pricing is quoted per organisation, so ask the vendor for a proposal that matches your size. Beyond ai agent & llm development platforms, OpenAI API also covers ai tools.

What works well

+One of the top-ranked ai agent & llm development platforms options in our catalogue
+Covers more than one software category, reducing the number of tools you run

What to watch out for

−No permanently free plan
−Global vendor — check India-specific compliance (GST, TDS) and support hours before you commit

Best suited for: Small business · SMB · Mid-market

AI analysis of OpenAI API

Analysing OpenAI API — pricing, features, reviews and alternatives…

Generated by App Advisor's native engine from this listing's verified data — not a paid placement.

OpenAI API features

Category-standard capabilities plus what OpenAI API adds. Verify depth in a demo.

LLM APIs and model hosting
RAG and vector search
Agent frameworks and tool calling
Prompt management and evaluation
Observability and cost tracking
Guardrails and safety
Fine-tuning
On-premise and private options
AI-assisted workflows and suggestions

OpenAI API pricing

Entry price

Pay as you go

Published subscription pricing, taxes extra

How OpenAI API charges. Plans scale with users or features. Annual billing is usually 15–25% cheaper than monthly, and GST is added on top of listed prices in India.

Read from the vendor's official website. Prices change — confirm on platform.openai.com.

Specifications

Category: AI agent & LLM development platforms, AI tools
Vendor: OpenAI
Headquarters: San Francisco, United States
Founded: 2020
Pricing model: Subscription
Starting price: Pay as you go
Deployment: Cloud
Platforms: Web
Best for: Small business, SMB, Mid-market
Made in India: No

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OpenAI API — frequently asked questions

What is OpenAI API?+

OpenAI API is ai agent & llm development platforms by OpenAI. GPT models and tools via API.

How much does OpenAI API cost?+

OpenAI API does not publish a price list; pricing is quoted per organisation. Request a demo through App Advisor and we will ask the vendor for a written quote.

Does OpenAI API offer a free trial or free plan?+

OpenAI API typically offers a free trial before you commit to a paid plan.

Is OpenAI API made in India?+

No. OpenAI API is developed by OpenAI in San Francisco, United States, though it is used by Indian businesses.

Who is OpenAI API best suited for?+

OpenAI API suits small business, smb, mid-market buyers looking for ai agent & llm development platforms with ai tools.

What are the best alternatives to OpenAI API?+

Popular alternatives in ai agent & llm development platforms include Hugging Face, Groq, Portkey. Use App Advisor's compare tool to see them side by side.

How is OpenAI API deployed?+

OpenAI API is available as a cloud (SaaS) product, with web access.