DeepSeek V3.2 Prompt Caching on ofox: 10-Min Setup, 80% Savings (2026)

DeepSeek V3.2 caching: $0.06/M cache read vs $0.29/M miss (4.8× cheaper), $0.43/M output, 128K context. Set up on ofox in 10 minutes. Cut team bills 80% with prefix-stable requests.

How to Access GLM 5.2 (2026): Step-by-Step API Setup & Pricing

GLM 5.2 access, step by step: Z.ai API setup, $10–$80/mo Coding Plan pricing, the 6 common errors to avoid, plus MIT open-weights and ofox alternatives you can use today.

MiniMax M3 vs GPT-5.5: SWE-Bench Pro, 8× Price Gap, A/B Both via ofox (2026)

MiniMax M3 (SWE-Bench Pro 59.0%) vs GPT-5.5 (58.6%): same 1M context, $0.60 vs $5 input, $2.40 vs $30 output. ~11× cheaper per benchmark point, A/B both via ofox in 10 lines of code.

MiniMax M3 vs Claude Opus 4.8: 59% vs 69% SWE-Bench, 10× Pricing, Pick (2026)

MiniMax M3 hits 59% on SWE-Bench Pro vs Claude Opus 4.8 69.2%. M3 input $0.6/M vs Opus $5/M, output $2.4/M vs $25/M, both 1M context. Per-dollar M3 wins on routine refactors; per-task Opus wins on hard multi-file diffs. Pick in 30 seconds via ofox.

DeepSeek V4 Pro Real Cost: 120x Cache Gap Behind Sticker

V4 Pro lists at $0.435/M input — cache misses cost 120x more than hits, and thinking inflates output. Benchmarked vs GPT-5.5 and Sonnet 4.6 with raw data.

Claude Code /cd: Switch Directories, Preserve Prompt Cache, 3 Edge Cases (2026)

Claude Code /cd added in v2.1.169 (2026-06-08): switch directories mid-session, keep prompt cache hot (90% input discount via 0.1x reads, 1.25x writes for 5-min TTL). 3 edge cases break it — different CLAUDE.md, MCP config drift, /add-dir conflicts. Worked example via ofox.ai.

Claude Code Nested Sub-Agents: 5 Levels Deep, Token Math, 3 Pitfalls (2026)

Claude Code v2.1.172 (June 10) lets sub-agents spawn sub-agents up to 5 levels deep. Token costs compound per branch, each level gets its own context window. 3 anti-patterns: runaway nesting, Opus-everywhere, fake Agent() allowlists. Configure cheap delegation via ofox.

Claude Code Safe Mode: 5 Things Disabled + When to Use Over /clear (2026)

Claude Code v2.1.169 --safe-mode: 1 flag disables 5 layers (CLAUDE.md, plugins, skills, hooks, MCP). Differs from /clear (1-turn wipe). Enable in 10s on Mac/Windows. 3-step triage, 8 errors mapped.

Claude Fable 5 vs Opus 4.8 vs GPT-5.5: SWE-Bench, Pricing, When to Switch

Fable 5 hits 95.0% SWE-bench Verified and 80.3% SWE-bench Pro — 11 points over Opus 4.8, 21.7 over GPT-5.5. At $10/$50 it costs 2x Opus. When the upgrade pays.

Codex AGENTS.md Not Loading in Symlinked Workspaces: v0.138 Fix (2026)

Codex CLI v0.138 (Jun 8, 2026) finally loads AGENTS.md in symlinked + remote workspaces—PRs #26205, #26465. 3 verification steps, 7 error patterns, 32 KiB instruction cap, monorepo parent-dir fix. When to upgrade vs switch to GPT-5.3-Codex via ofox.