Skip to main content
Built for real engineering decisions

AI Model & API Guides

Practical tutorials · Cost boundaries · Troubleshooting

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
416
Localized guides
6
Language markets
Aug 27, 2026
Latest update

416 articles

Google Antigravity 2.0 Remote Control guide cover with a browser controlling a host agent sessionAI Development Tools

Antigravity Remote Control: Set Up Browser Access Without Losing the Host Boundary

Remote Control gives your phone a browser control surface for Antigravity 2.0; it does not move execution off the host. Set up the right instance, keep the machine reachable, and approve with the host consequences in mind.

Gemini 3.5 Transcribe recorded and live API routes, limits, pricing, and safe-build checksAI API Guides

Gemini 3.5 Transcribe API: Recorded Audio, Live Captions, and a Safe First Build

Gemini 3.5 Transcribe has separate contracts for files and live streams. This guide shows how to choose one, verify the output you actually need, and test the preview safely before production.

Gemini 3.7 Flash and Gemini 3.1 Pro on two production model routesAI Models

Gemini 3.7 Flash vs 3.1 Pro: Choose by Cost, Workload, and Release Risk

Start most new evaluations with Gemini 3.7 Flash, but keep 3.1 Pro Preview as a measured exception for difficult workloads. The right answer depends on accepted outputs, not the model tier name.

Settings path from Gemini Apps to the Media Watermark controlGemini Image

How to Turn Off Gemini’s Visible Watermark in Gemini Apps

Use Gemini Apps’ Media Watermark control for new media, see which provenance signals remain, and check the documented limits if the setting is unavailable.

GPT-5.6 Sol, Terra, and Luna pricing and accepted-output-cost decision mapAI Models

GPT-5.6 Sol vs Terra vs Luna: Choose by Accepted-Output Cost

Sol now has a temporary lower rate. Calculate the applicable GPT-5.6 bill, keep plan limits separate, and choose by cost per accepted task.

Three diagnostic paths branching from a Codex 429 retry-limit errorAI

Codex 429: Diagnose “Exceeded Retry Limit” Before Retrying

Classify a Codex retry-limit 429, choose the right recovery path, and prepare an actionable report without exposing secrets.

Platform and sign-in checkpoints for installing Codex CLIAI

Install Codex CLI on macOS, Linux, or Windows

A platform-aware Codex CLI setup guide that separates installation, command discovery, authentication, and a working first session.

Codex config.toml diagnostic path through scope, trust, precedence, restrictions, and version checksAI Development Tools

Codex config.toml Not Working? Trace the Active Setting

A diagnostic guide to locating the active Codex configuration layer, checking trust and scope restrictions, and repairing stale profile or approval settings.

Cursor editor with a small code selection and the Codex sidebar ready for a focused taskAI

Set Up Codex in Cursor and Complete a Reviewable First Edit

Get the official Codex extension working in a real Cursor project, then confirm the workflow with one narrow edit you can inspect and reverse.

Decision map comparing Grok 4.6, Claude Fable 5, and GPT-5.6 Sol by workload, context, cost, and operational constraintsAI Model Comparison

Grok 4.6 vs Claude Fable 5 vs GPT-5.6 Sol: Pick by Workload

Shortlist Grok 4.6 for a cost-first fresh-model pilot, GPT-5.6 Sol for very large contexts, and Claude Fable 5 for retention-compatible long-running work—then let accepted tasks decide.

Four-step ChatGPT plan ladder showing Go, Plus, Pro $100, and Pro $200, with the lowest sufficient plan highlightedAI Tools

ChatGPT Go vs Plus vs Pro $100 vs $200: Which Plan Is Worth It?

Go covers budget-minded everyday use, Plus is the practical default for recurring advanced work, and Pro earns its price only when a documented Plus limit keeps interrupting valuable tasks.

Four-branch decision map matching latency, balanced production, long-horizon agents, and highest-capability tasks to current Claude API model IDsAI Models

Claude API Models Compared: Choose Fable 5, Opus 5, Sonnet 5, or Haiku 4.5

A decision guide for developers choosing a first-party Claude API model, with workload rules, a fixed-token cost example, migration gates, and a rollout-ready evaluation plan.

One ecommerce product reference moving through Nano Banana Pro and GPT Image 2 before identity, copy, localization, and cost acceptanceAI Image Generation

Nano Banana Pro vs GPT Image 2 for Ecommerce Product Images

Test GPT Image 2 first for flexible pixels, masks, and an OpenAI workflow; test Nano Banana Pro first for Google-native 1K/2K/4K and multi-reference composition. Test both when packaging, localized copy, or a campaign master is expensive to reject.

A Claude Code repository routed to Opus 5 by default and Fable 5 on escalationClaude Code

Claude Code Fable 5 vs Opus 5: An Operator's Model Choice

Use Opus 5 as the complex-coding default. Escalate to Fable 5 only when long-horizon investigation and verification are the work, not merely because the task matters.

Azure and OpenAI direct operational routes around one GPT Image 2 capabilityAI Image Generation

Azure GPT-Image-2 vs OpenAI GPT-Image-2: Which API Route Should You Deploy?

Azure and OpenAI direct expose the same GPT Image 2 family through different operational contracts. Choose by identity, region, billing, quota, output format, and support ownership—not by the model name alone.

Side-by-side Nano Banana portrait with neutral color and an unwanted red tintAI Image Generation

Nano Banana Images Have a Red Tint? Isolate the Cause Before You Regenerate

Do not reroll a red-tinted Nano Banana image blindly. Compare the downloaded original in two color-managed viewers, run a neutral no-reference baseline, and add back one input at a time.

Claude Code unable to connect to API diagnostic route from status to network, proxy, certificate, and gatewayClaude Code

Claude Code Unable to Connect to API: Fix ECONNREFUSED, ECONNRESET, and Proxy Errors

Run one reachability check from the shell that launched Claude Code, then fix the route indicated by the result instead of reinstalling or rotating keys blindly.

Claude Code outage recovery path from 500 or 529 to state reconciliation and safe session resumeClaude Code

Claude Code 500 vs 529: Resume Safely Without Duplicating Work

A Claude Code outage can interrupt the response after tools have already run. Classify 500 versus 529, resume the same session, audit side effects, and continue once.

Claude Code token audit board with context, cache, MCP, and session cost lanesClaude Code

Claude Code Token Usage Audit: Context, Cache, MCP, and Session Costs

Do not explain a fast-draining Claude Code session from one total. Prove the billing route, inspect the context and cache classes, attribute MCP and agent usage, then compare a clean control session.

Codex Security content block moving through a three-branch diagnosis for safety, access, and runtime problemsOpenAI Codex

Codex Security Says ‘This Content Can't Be Shown’: Diagnose the Block Before You Rerun

The exact ‘This content can't be shown’ banner is a cyber-safety signal, not a generic Codex crash. Preserve the evidence, verify authorization, narrow the defensive task, and escalate without sharing secrets.

Three-layer Codex meter showing included usage, credits after a weekly limit, and separate API-key billingAI Development Tools

Codex Credits: How Metering, Purchases, and Weekly Limits Work

Buying Codex credits does not reset a weekly limit. Included usage is spent first; supported work then draws from credits using token-based rates.

Seedance 2.5 status board separating official release, creator access, official API, and provider-specific API claimsAI Video Generation

Seedance 2.5 Release, Access, Availability, and API Status

Seedance 2.5 is officially released and appearing in creator products, but an official model launch, account access, and a documented API are three different states.

Seedance 2.5 API route from release status and provider model ID to Python and Node.js asynchronous integrationAI Video Generation

Seedance 2.5 API Guide: Model IDs, Python, and Node.js

Seedance 2.5 is a confirmed product, but a first-party ModelArk 2.5 ID is not yet present in the public catalog. Integrate without guessing the ID.

Seedance 2.5 and 2.0 route-first diagnostic separating Dreamina, the official API, and wrapper acceptance evidenceAI Video

Seedance 2.5 Error, Queue, or Timeout? Diagnose the Accepted Task First

When Seedance 2.5 fails, queues, or times out, do not resubmit first. Check consumer history or the API task ID; retrieve queued or running work, and act on exact failed or expired evidence.

Showing 24 / 416