Claude Code Rate Limits: Subscription, API 429, or 5xx?
Separate Claude Code subscription limits from API 429 and transient 5xx errors, then diagnose the active endpoint without exposing credentials.
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Technical deep-dives, architectural patterns, and industry updates for the modern AI engineer.
GPT Image 2: Your First Image API Request
Send a first GPT Image 2 request through BetterToken, decode the b64_json response into a PNG, and diagnose common key, endpoint, model, and balance errors.
Read Technical ReportCodex CLI vs Codex App: What's Different and Which to Choose
A practical comparison of Codex CLI and the desktop App, including parallel work, diff review, custom-provider authentication, verification, and common errors.
Read Technical ReportCan You Use Claude Code for Free? Installation, Subscription, and API
Claude Code is free to install, but working requests need a paid Claude plan, API billing, or a compatible provider. Learn where each billing path begins.
Read Technical ReportHow to Install Codex CLI and Run Your First Task
Four ways to install Codex CLI on Windows 11, macOS, and Linux, verify the install, and keep official sign-in separate from a custom provider.
Read Technical ReportClaude Code in Russia Without a VPN: Access Boundaries
The BetterToken API endpoint is reachable from Russia without a VPN, but Anthropic login, client downloads, MCP, and external sites remain separate.
Read Technical ReportHow to Use Claude Code for Office Work: 8 Automation Scenarios
Eight practical Claude Code scenarios for spreadsheets, PDFs, contracts, and reports — what it automates well, where it breaks, and when a human still has to decide.
Read Technical ReportHow to Install Claude Code and Start Working in 5 Minutes
An up-to-date Claude Code first-run guide: native install, a safe first session, and one small change checked with git diff.
Read Technical ReportClaude Cowork Setup: How It Differs From Chat and Code
A practical guide to choosing between Claude Chat, Cowork, and Code, setting up a safe Cowork task, and checking the result.
Read Technical ReportCodex for Beginners in 2026: Start Vibe Coding Without the Terminal
A practical Codex guide for beginners who want to try AI coding without complex setup, terminal anxiety, or chaotic projects.
Read Technical ReportClaude Code and Codex APIs: Protocol and Setup Checks
A compatibility checklist for Claude Code and Codex: protocol, documented route, Model ID, key handling, and first-request verification.
Read Technical Report25,000 Stars in Six Months: How AI Agents Install Their Own Skills
Developers used to manually teach AI tools new capabilities. Now AI agents increasingly discover and install skills themselves.
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