Gemini 3.1 Flash Lite vs DeepSeek V4 Flash for Agent Loops

DeepSeek V4 Flash is cheaper per token, but Flash Lite's 76.5% BFCL v3 score often wins on total cost. We break down the agent-loop math and tool-call reliability.

Claude Code File Deletion: Defense-in-Depth Safety Guide

Stop Claude Code from deleting your files. Real incidents, hook scripts, permission deny rules, git worktree isolation, and Anthropic's 2025 sandbox—configure all four.

Claude Code Token Optimization 2026: 5 Strategies That Cut Your API Bill by 60-90%

Five Claude Code optimization techniques that actually move the needle: cache TTL discipline, /compact and /clear, Sonnet-default routing, isolated subagents, and trimming MCP tool bloat.

$30/Month AI Coding Stack vs $200 Subscriptions (2026)

Stop paying for throttled AI access. This guide breaks down a $30/month stack using open-source CLIs, API gateway, and tiered model routing to match $200 subscription workflows.

AI Coding Agents Compared 2026: Claude Code vs Codex CLI vs Cursor vs DeepSeek TUI

Four serious coding agents, four philosophies. We compare Claude Code, Codex CLI, Cursor, and DeepSeek TUI on price, quality, daily-driver feel, and where each one breaks. Picked one already? Skip to the use-case matrix.

Codex CLI Workflow: The Setup Senior Devs Use in 2026

The real Codex CLI loop — AGENTS.md, plan mode, worktrees, GPT-5.5 vs GPT-5.4 Mini trade-offs, and the seven mistakes that waste your first week.

Qwen 3.6 Plus API: Complete Guide to Pricing, Benchmarks, and Access (2026)

Alibaba shipped Qwen 3.6 Plus on April 2, 2026 with a 1M-token context, an SWE-bench Verified score within two points of Claude Opus 4.6, and pricing that undercuts Opus by ~30×. Here is what is actually true after a month of production use — pricing, benchmark deltas, model ID, and a working code path through ofox.ai.

Best LLM for Coding by Task in 2026: Decision Matrix

Claude Opus 4.6, GPT-5.5, Gemini 3.1 Pro, DeepSeek V4 Flash ranked across 10 coding sub-tasks. One model per row, May 2026 pricing, plus a 5-question self-assessment.

LLM API Cache Hit Math: Why Your DeepSeek Bill Says $4 But the Pricing Says $50

The official DeepSeek V4 Flash price is $0.14 per million input tokens. The bill on a real coding workload is closer to $0.005. The 28x gap is cache hit math, and almost nobody calculates it correctly. Here is the worked math across DeepSeek, Claude, and OpenAI in 2026.

Claude Opus 4.6 vs GPT-5.5 vs Gemini 3.1 Pro: Reasoning Benchmarks (3 Real Tasks Tested)

Three reasoning tasks, three frontier models, one weekend of side-by-side runs. Opus 4.6 still leads on careful step-by-step logic, GPT-5.5 wins on speed-of-correct-answer, and Gemini 3.1 Pro delivers ~70% of the quality at one-third the price. Here is the breakdown — including why we tested 4.6 instead of 4.7.