LatestChatGPT & OpenAI
ChatGPT Plus Paid but Still Free? 5 Checks Before You Pay Again
Charged for ChatGPT Plus but still on Free? Find which ChatGPT account and store hold the plan first. Five checks to run before you pay a second time.
13 min
Built for real engineering decisions
AI Model & API Guides
Source-linked guidance for AI models, API integration, and developer workflows—turning fast-changing prices, quotas, capabilities, and limits into decisions you can verify.
- Primary sources first
- Reproducible steps and failure boundaries
- Volatile facts carry review dates
- 482 articles
- 6 languages
- 12 topics
- Updated Oct 2, 2026
Claude Code
How to Use Claude Code for Image Generation: Skill, MCP or SVG
Claude Code outputs no pixels itself. Render diagrams as SVG, or call an image model from a skill script or an MCP server. Gemini images start at $0.0336 each.
14 min
Claude Code
How to Paste an Image in Claude Code: Ctrl+V, Alt+V, or a Path
In the Claude Code terminal, Ctrl+V pastes an image (the Control key, even on a Mac); Windows and WSL use Alt+V. If it fails, drag the file or give its path.
13 min
ChatGPT & OpenAI
Codex Headless Login: Device Code, SSH Tunnel, or auth.json
On a server with no browser, run codex login --device-auth and enter the code on any device. If that is blocked, tunnel port 1455 over SSH or copy auth.json.
17 min
AI Image Generation
Gemini Image to 3D Model: No GLB Export, 3 Tested Routes
Gemini makes the image, not the mesh. Asked for a GLB or STL on October 2, 2026, it declined. A converter, a code-written STL and a 3D viewer each got partway.
15 min
AI Image Generation
Gemini Image vs Canvas: Same Prompt Tested, Which to Use
Gemini's image tool returns a picture with the text baked in; Canvas returns a page with live text. Choose by what you hand over and what you'll edit later.
12 min
AI Video Generation
Best Sora 2 Alternatives for App Clips and the Video API
Sora is shut down with no official successor. Make clips free in Google Vids or Flow; for API work, Google recommends Omni Flash at about $0.10 a second.
15 min
AI Image Generation
Can Claude Generate Images? No, But Here's What It Can Do (2026)
No. Claude outputs text and code, not pixels, on every model and plan. It draws SVG diagrams and charts itself; photos need a connector or an image API.
15 min
ChatGPT & OpenAI
ChatGPT Dots vs Meta Muse vs Grok Bot: $100, $0, or $20 to Start
ChatGPT dots need a $100 Pro plan, Grok Bot comes with $20 Cursor Pro, and Meta Muse starts free in the US and Canada. Your plan and region narrow it first.
13 min
AI Image Generation
ChatGPT Plus and Go Image Generation Limits: How Many per Day?
OpenAI gives no image count for ChatGPT Go or Plus. Plus users reported about 120 a day through September 2026; your limit banner shows the real reset time.
14 min
API Pricing & Plans
ChatGPT Pro 500: $500 Plan Limits and Ultrafast's 8x Usage Cost
ChatGPT Pro 500 costs $500 a month and adds Astra Ultrafast in Work and Codex. Ultrafast draws usage at 8x, so it pays off only when speed is the bottleneck.
13 min
AI Video Generation
Claude Opus 5.5 Video Generation: Code In, Rendered MP4 Out
Opus 5.5 outputs text, not video. It writes animation code that a headless browser captures frame by frame, which suits motion graphics and not live action.
15 min
Model Comparisons
Claude Opus 5.5 vs GPT-6.1 Sol and GPT-6 Sol: When Opus Pays Off
Against GPT-6.1 Sol, Opus 5.5 costs exactly 2x per token under 272K input and stays pricier above. Opus scores higher; pay only where it passes more tasks.
15 min
Troubleshooting
Codex 401 Incorrect API Key: Outage, Stale Token, or Your Key?
Signed in with ChatGPT and never set a key? That 401 came from OpenAI's September 25, 2026 outage. The URL and key text in the error tell you if yours differs.
10 min
Claude Code
Connect Claude Code to a Note Taker: MCP Commands by Tool
Granola, Circleback, Fathom and Notion publish a claude mcp add command. Other note takers need a claude.ai connector, the generic HTTP form, or plain files.
14 min
Model Comparisons
Gemini 4 Argon vs Claude Opus 5.5 vs GPT-6.1 Sol: What to Run Now
Gemini 4 Argon is not open to developers yet. At matched high effort it ties Opus 5.5 and costs 6.2x GPT-6.1 Sol per task, despite the same $2/$10 list rate.
13 min
Model Comparisons
GPT-6 Sol vs Terra vs Luna vs Astra: Which Model Should You Use?
The current Sol is GPT-6.1 Sol; Luna and Astra are GPT-6, and Terra is GPT-5.6. Compare direct-API rates, then test cost per accepted task before switching.
9 min
AI Video Generation
Seedance 2.5 vs Veo 3.1 vs Gemini Omni: Which Fits Your Job
Seedance 2.5 fits 30-second takes and reference-heavy shots, Veo 3.1 fits native 4k and 720p extension, and Omni Flash is Google's default. Sora 2 is retired.
13 min
AI Video Generation
Sora 2 API Shut Down: What Still Works and What to Switch To
The Sora 2 API no longer works. OpenAI shut it down on September 24, 2026, with no replacement; only Azure Foundry's preview remains, until October 15.
11 min
API Guides
Is There a Free AI Video API? What Works Without Paying
As of September 30, 2026, no major video model's API lists a free tier. Magic Hour and Tavus offer free trials; a 5-second Veo 3.1 Lite test costs $0.25.
12 min
ChatGPT & OpenAI
How Many Files Can You Upload to ChatGPT? Free, Go, Plus, Pro
ChatGPT Free allows 3 file uploads a day; paid plans get up to 80 files every 3 hours. Projects, custom GPTs, file size and storage each have their own cap.
12 min
AI Image Generation
Does ChatGPT Save Your Photos? Where Uploads Go and How to Delete
Yes. ChatGPT keeps an uploaded photo in the chat, and often in Library, until you delete it. Training depends on one setting; deletion finishes within 30 days.
10 min
Claude & Anthropic
Claude "Temporarily Unable to Authenticate": Outage or Local Fix?
Anthropic's service sends it, not your login. Check status.claude.com: during an incident stay signed in and retry slowly; fix locally only if none is posted.
16 min
Developer Tools & Agents
Codex Computer Use: Setup on Mac and Windows, and When to Use It
Computer Use now runs in the ChatGPT desktop app on macOS and Windows, in Work or Codex. Install the plugin, grant OS access, then mention @Computer or an app.
13 min