Category: AI Chatbots & APIs
Prompt Caching Explained: Cut Claude, OpenAI and Gemini API Costs (2026 Prices)
How prompt caching works on Claude, OpenAI, Gemini, DeepSeek and Grok, what cache writes and reads cost in November 2026, and the mistakes that kill your hit rate.
Best AI Model Right Now (November 2026): LMArena, Artificial Analysis and WebDev Leaderboards Explained
Which AI model is best in November 2026? The latest LMArena text and WebDev rankings, Artificial Analysis Intelligence Index, SWE-bench coding scores and the best open-weights models, with…
ChatGPT Not Working? Fix “Something Went Wrong”, Network Error, Too Many Requests and 15 More Errors (November 2026)
ChatGPT not working? A 2026 troubleshooting guide: how to check if ChatGPT is down, then exact fixes for Something went wrong, network error, too many requests, model at…
Perplexity vs ChatGPT Search vs Google AI Mode (November 2026): Which AI Search Engine Is Best?
The three big AI search tools compared for November 2026: Perplexity (Free, Pro $20, Max $200, Comet), ChatGPT search (1.2B weekly users) and Google AI Mode (free, Gemini-powered).…
Google AI Plus vs AI Pro vs AI Ultra (November 2026): Gemini Plans, Prices, Limits and Which to Buy
Gemini subscription plans compared for November 2026: Free, Google AI Plus $4.99, AI Pro $19.99, AI Ultra $99.99 and $199.99. Models (Gemini 4 Argon), usage multipliers, storage, Flow…
NotebookLM (Now Gemini Notebook) Guide 2026: Limits by Plan, New 5-Hour Quota and How to Use It
NotebookLM was renamed Gemini Notebook in July 2026 and moved to a compute quota in September. Here are the source and notebook limits for Free, AI Plus, Pro…
OpenRouter Guide (November 2026): Free Models, Rate Limits, 5.5% Fee, BYOK and How to Use It
OpenRouter explained for November 2026: one API key for 600+ models, the 5.5% credit fee, free tier limits (20 RPM, 50 or 1,000 per day), current free models,…
Is Gemini CLI Still Free? Gemini CLI vs Antigravity CLI in November 2026 (Limits, Install and Migration)
Google moved consumer Gemini CLI users to Antigravity CLI on June 18, 2026. Here is who can still use Gemini CLI, the free and paid limits, how to…
Claude Skills Guide (2026): How to Create, Upload and Use SKILL.md in Claude.ai, Claude Code and the API
A practical guide to Claude Agent Skills in 2026: what they are, SKILL.md format and limits, how to upload a skill to claude.ai, use it in Claude Code…
Claude Code Commands Cheat Sheet (November 2026): Slash Commands, Shortcuts, CLI Flags and Config Files
Every Claude Code command that matters in November 2026 (v2.1.30x): install, slash commands, keyboard shortcuts, CLI flags, permission modes, model aliases, effort levels, hooks, skills, subagents, MCP and…