✨ The Complete Toolkit & API Reference for OpenAI Developers

Empower Your Apps with
ChatGPT & OpenAI APIs

Access copy-paste code snippets across 5 major programming languages, discover curated developer tools, explore model benchmarks, and stay ahead with real-time AI news.

5
SDK & Language Support
48+
Curated ChatGPT Utilities
99.9%
API Reference Accuracy
API PLAYGROUND

Connect to ChatGPT API in 5 Languages

Select your language stack below to copy ready-to-run OpenAI API connection boilerplates with streaming support.

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import os
from openai import OpenAI

# Initialize the official OpenAI client
client = OpenAI(api_key=os.environ.get("OPENAI_API_KEY"))

# Create a streaming chat completion
response = client.chat.completions.create(
    model="gpt-4o",
    messages=[
        {"role": "system", "content": "You are a helpful assistant."},
        {"role": "user", "content": "Explain quantum computing in one sentence."}
    ],
    temperature=0.7,
    stream=True
)

# Process real-time response stream
for chunk in response:
    if chunk.choices[0].delta.content is not None:
        print(chunk.choices[0].delta.content, end="", flush=True)
Console Output Simulator
HTTP 200 OK Model: gpt-4o Latency: 124ms
$ ready. Click "Run Live" above to simulate real-time stream execution...
ESSENTIAL TOOLS

Curated ChatGPT Ecosystem Tools

Handpicked developer tools, prompt optimizers, and token estimators built for OpenAI workflow efficiency.

Prompting

System Prompt Architect

Generate robust, battle-tested system prompts tailored for complex AI agents, roleplay, and structured JSON output schema design.

Utility

Tiktoken Calculator & Cost Estimator

Accurately calculate BPE tokens for gpt-4o, o1-mini, and text-embedding-3 models. Estimate monthly API costs before launch.

APIs & SDKs

Function Calling Schema Builder

Visually design OpenAI Tool Call definitions and auto-generate JSON Schema for strict argument parsing and SQL/REST tool calling.

Automation

LangChain & LlamaIndex Pipeline Generator

Create boilerplate RAG (Retrieval-Augmented Generation) setups connecting vector databases with ChatGPT API endpoints.

APIs & SDKs

Realtime WebSockets Explorer

Test OpenAI's low-latency audio & multimodal Realtime API over WebSocket connection with live audio buffer telemetry.

Prompting

Few-Shot Prompt Benchmarker

Compare classification, translation, and summary output accuracy across gpt-4o, gpt-4o-mini, and o1 reasoning models.

COMMUNITY & INSIGHTS

Latest ChatGPT & OpenAI News

Stay updated on new model releases, API pricing drops, and developer ecosystem breakthroughs.

Model Update Sep 28, 2026

OpenAI Unveils Advanced Reasoning Capabilities in Next-Gen Models

Discover how new chain-of-thought architectures boost coding precision, mathematical proofs, and multi-step agent reasoning by up to 40%.

Read Full Story →
Feature Release Sep 22, 2026

Structured Outputs Support Added to All Micro SDKs

Guaranteed JSON schema adherence is now live across Python, Node.js, and Go SDKs. Say goodbye to JSON parsing failures in production.

Read Full Story →
Optimization Sep 15, 2026

Batch API Price Reductions: Save 50% on Async Workloads

OpenAI lowers pricing for non-urgent bulk text generation tasks with guaranteed 24-hour turnaround windows.

Read Full Story →
INTERACTIVE SANDBOX

Live Prompt & Model Tester

Simulated Output Response: Tokens: 0
Click "Send Test Prompt" to simulate streamed completion from OpenAI API...