AI API Guides
Step-by-step articles for API key setup, troubleshooting common errors, and provider selection decisions.
OpenAI
8 guidesChatGPT Images 2.5 API Guide: Flare vs Sunburst, Pricing & Code
Understand ChatGPT Images 2.5 and its two API models: GPT-Image-2.5 Flare for fast everyday generation and Sunburst for precision editing. Compare pricing, model IDs, features, and working API examples.
GPT-6 Astra API Guide: Pricing, Model ID, Context & Migration
Use GPT-6 Astra through the OpenAI API with the correct model ID. Check pricing, the 1.05M-token context window, supported tools, reasoning settings, and migration changes before production rollout.
OpenAI API Pricing Explained (2026 Guide)
Understand current OpenAI API pricing across GPT-6 Astra, GPT-5.6 Sol, Terra and Luna, Standard, Batch, Flex and Fast processing, image models, tools, and practical cost estimation.
ChatGPT API Key vs OpenAI API Key: What's the Difference? (2026)
There is no separate 'ChatGPT API Key' — ChatGPT is a product, OpenAI is the company. All API keys are managed on platform.openai.com. Here's what you need to know.
How to Get an OpenAI API Key (2026 Step-by-Step Guide)
OpenAI's API powers GPT-4o, o-series reasoning models, and more. Here's exactly how to create your OpenAI API key, set up billing, configure usage limits, and make your first request.
Claude
7 guidesClaude API Key Setup Guide for New Teams
Set up Anthropic API access, verify request headers, and prepare rate-limit-aware integration from day one.
Claude Fable 5.1 API Guide: Pricing, Model ID, Benchmarks & Migration
Use Claude Fable 5.1 through the Anthropic API with the correct model ID. Compare pricing, calculate cache and Batch costs, review official benchmarks, and migrate safely from Fable 5.
Claude Fable 5 vs Fable 5.1: What Changed and How to Migrate
Fable 5 has been replaced by Fable 5.1. Compare compatibility, tool-use changes, thinking-block rules, cache pricing, and the safest migration path.
Claude Models & API Pricing: Fable 5.1, Opus, Sonnet and Haiku
Compare current Claude model pricing, Fable 5.1 cache rates, 1M context, Batch and Fast mode, tool charges, and data residency.
Gemini
6 guidesGoogle Gemini API Pricing & Models (2026 Official Guide)
Compare official Gemini 3.6 Flash, 3.5 Flash, and 3.5 Flash-Lite pricing, context limits, capabilities, free tier rules, Batch, Flex, Priority, and grounding charges.
Gemini API Code Quickstart: Python, Environment Variables and Errors
Set up a Gemini API key in Google AI Studio, secure it correctly, and verify your first request with minimal friction.
Gemini Models Comparison: 2.5 Pro vs Flash vs Flash-Lite (2026)
Compare Gemini 2.5 Pro, Flash, and Flash-Lite models across context window, pricing, reasoning, vision, and code capabilities. Find the right Gemini model for your use case.
Grok
5 guidesGrok 4.7 API Guide: Pricing, Benchmarks, Context & Migration
Grok 4.7 is real, but the launch headlines need context. Check the model ID, 500K context, tiered API pricing, full benchmark table, safety claims, and independent evidence before migrating.
How to Get a Grok 4.5 API Key (July 2026)
xAI released Grok 4.5 on July 8, 2026 — 1.5 trillion parameters, co-trained with Cursor, priced at $2/M input tokens. This guide covers registration, key creation, your first API call, error fixes, and how Grok 4.5 compares to rivals.
How to Get a Grok API Key (2026 Step-by-Step Guide)
Create a SpaceXAI API key and make your first Grok 4.7 request. This guide covers account setup, secure key storage, current model selection, and common errors.
What Is Grok Bot? Access, Pricing, Setup & How It Works (2026)
Grok Bot is xAI's persistent agent product, not a new Grok model. Learn who can access it, how usage and trials work, how to install it, and what to check before an agent acts on your accounts.
DeepSeek
4 guidesDeepSeek V4.1 Flash API Guide: Pricing, Benchmarks & Migration
DeepSeek V4.1 Flash adds native vision, a 1M-token context window, lower API rates, and a new cache-efficient architecture. See what changes for V4 Flash and V4 Pro users before the September 14 routing switch.
China AI Models
3 guidesHow to Get a Kimi API Key (2026 Step-by-Step Guide)
Kimi K3 by Moonshot AI offers ultra-long context and strong reasoning. Learn how to register, get your API key, understand pricing, and make your first request with code examples.
How to Get a Kimi K3 API Key (July 2026)
Kimi K3 is Moonshot AI's latest flagship — 2.8 trillion parameters, 1M context window, open-source weights releasing July 27. This guide walks through registration, key creation, your first API call, common error fixes, and a pricing comparison.
SiliconFlow
5 guidesSiliconFlow API Key Complete Guide (2026): Setup, Free Models, Pricing & BYOK
Everything about SiliconFlow API keys: register, use current free models, understand pricing and fixed free-model limits, call the live model catalog through an OpenAI-compatible endpoint, and set up BYOK.
SiliconFlow Free Models 2026: Current List, Limits and API Example
A verified snapshot of SiliconFlow models currently marked free on the official pricing page, plus identity verification, fixed rate limits, Pro model naming, and a first API call.
SiliconFlow API Free Tier 2026: How Free Models, Limits and Credits Work
SiliconFlow does not use a classic all-models free quota. In 2026 the free tier means selected models billed at zero, fixed rate limits, and identity verification. This guide explains how to start, what is free, and when to switch to paid.
How to Get a SiliconFlow API Key (2026 Step-by-Step Tutorial)
Register on siliconflow.cn, complete identity verification for free-model access, create your API key, and check the current ¥16 China / $1 global new-user offer.
SiliconFlow BYOK Setup Guide: Use One Key in Cherry Studio, ChatHub, Claude Code & More
Because SiliconFlow is OpenAI-compatible, you can paste your API key into dozens of AI tools. Here's how to configure Cherry Studio, ChatHub, immersive-translate, and Claude Code with step-by-step instructions.
AI Basics
11 guidesAI API Token Price Comparison 2026: GPT-5.6, Claude Fable 5.1, Gemini 3.6, DeepSeek & More
A practical breakdown of input and output token prices per 1M tokens across the leading AI providers in 2026, with guidance on choosing the right model for your budget and use case.
Free AI API Keys: Complete List of Free Tier Providers (2026)
Several AI providers offer free tiers or credits. Here's a complete comparison of which platforms give free access, how much you get, and the limits you should know about.
AI Chatbots vs Search Engines: Which Should You Use? (2026)
AI chatbots generate answers, search engines retrieve sources. Learn the key differences in how they work, accuracy, real-time data, and when to use each — plus the emerging trend of AI-powered search.
API Key vs Public Key vs Private Key: Differences Explained (2026)
API keys, public keys, and private keys serve very different purposes. Learn what each one does, how they differ, and why an API key is neither a public nor a private key.
How to Get an OpenRouter API Key (2026 Step-by-Step Guide)
OpenRouter is an AI API aggregator — one key gives you access to OpenAI, Claude, Gemini, DeepSeek, and hundreds of other models. Here's how to get started.
How to Write Good Prompts: A Practical Guide (2026)
Learn the three key elements of a good prompt, see good vs bad examples, master advanced techniques like few-shot and chain-of-thought, and use ready-made prompt templates for writing, coding, analysis, and translation.
Ollama Models List & Local LLM Guide (2026)
Ollama lets you run large language models locally. Here's the list of popular Ollama models, how to install them, and how to use the local API endpoint.
What are AI Hallucinations? Causes & How to Prevent Them (2026)
AI hallucinations are when models generate false or misleading information. Learn why they happen, how to recognize them, and best practices to minimize hallucinations.
Editorial Policy
We prioritize official documentation and practical implementation details. Every guide includes a checked date and source links so you can verify technical details quickly.