GPT-5.6 Model Not Available? 6 Causes and Fixes (2026)
GPT-5.6 'model not found'? Bare gpt-5.6 404s on gateways like ofox (use -sol/-terra/-luna), GA rollout lags ~24h. 6 causes, 6 fixes, one working path.
GPT-5.6 Terra vs GPT-5.5 (2026): Half Price, Same Coding?
GPT-5.6 Terra ($2.50/$15) is exactly half of GPT-5.5 ($5/$30). Bills at 10K/100K/1M req/day, the honest benchmark read, A/B both via ofox.
Gemini CLI Free Tier Shut Down: 6 Fixes That Work (2026)
Gemini CLI's free login died June 18, 2026. Keep it running on a paid API key: fix the 429 limit:0 trap, beat the Sept 2026 key cutoff. 6 fixes.
Codex Desktop Not Showing Custom Models: 5 Fixes (2026)
Codex Desktop hides custom models from the picker? 5 fixes for the model_catalog_json bug, the cc-switch v3.16.5 patch, and a 1-line workaround.
Claude Code SSL Certificate Error: 5 Fixes That Work (2026)
Claude Code throwing SELF_SIGNED_CERT_IN_CHAIN behind a corporate proxy? 5 fixes: OS trust store, NODE_EXTRA_CA_CERTS, and HTTPS_PROXY, without disabling TLS.
Claude Sonnet 5 in Cline: Setup, Thinking, vs Fable 5 (2026)
Set up Claude Sonnet 5 in Cline in 5 min: the right provider, the reasoning effort that controls cost, and when Sonnet 5 ($2/$10) beats Fable 5 ($10/$50).
Migrate Claude Code to Codex (2026): 12 Configs, 1 Dead End
Codex 0.142 /import auto-moves most of your Claude Code config. All 12 surfaces mapped: what transfers, what breaks, the 1 dead end, and the fix.
Claude Fable 5 vs Sonnet 5 (2026): 5x Pricier, When It Pays
Fable 5 lists $10/$50, 5x Sonnet 5's $2/$10, but hits 80.3% SWE-bench Pro vs 63.2%. When the ceiling model pays, and how to route both on ofox.
Claude Sonnet 5 vs Opus 4.8 (2026): 60% Cheaper on Paper
Claude Sonnet 5 lists $2/$10 vs Opus 4.8 $5/$25, 60% cheaper. It trails 63.2% to 69.2% on SWE-bench Pro, and agentic cost can top Opus. Which to pick.
How to Choose an AI Model: 3 Questions, Not the Biggest One
Picking an AI model? Don't default to the biggest. Use 3 questions (task, volume, stakes) plus a free finder that ranks 100+ models across 15 use cases.
Codex "command failed; retry without sandbox": 6 Fixes (2026)
Fix Codex CLI "command failed; retry without sandbox" on every edit: install bubblewrap on Linux, set sandbox_mode workspace-write, approval_policy on-request. 6 fixes, 5 real 2026 issues.