TECHThe Smallest Agent That Works, Part 3: The Three Agents With StateTECHThe Smallest Agent That Works, Part 2: The Three Reach-Out AgentsTECHThe Smallest Agent That Works, Part 1: The Three Cheap AgentsTECHWhat MLX Got to Throw Away (That PyTorch Can't)TECHThe Unified-Memory Bet: Why On-Device Inference Stopped Being a ToyTECHEvery Useful Skill Is One of Five ShapesTECHMCP Gives You the Kitchen. Skills Are the Recipe.TECHThe Three-Level Skill, and Why Yours Is Probably One Level Too ManyTECHThe Smallest Agent That Works, Part 3: The Three Agents With StateTECHThe Smallest Agent That Works, Part 2: The Three Reach-Out AgentsTECHThe Smallest Agent That Works, Part 1: The Three Cheap AgentsTECHWhat MLX Got to Throw Away (That PyTorch Can't)TECHThe Unified-Memory Bet: Why On-Device Inference Stopped Being a ToyTECHEvery Useful Skill Is One of Five ShapesTECHMCP Gives You the Kitchen. Skills Are the Recipe.TECHThe Three-Level Skill, and Why Yours Is Probably One Level Too Many
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#Agentic Coding

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Tech· 2026-04-23· 5min

GPT-5.5: The Benchmark Jump Isn't the Story. Tokens Per Task Is.

OpenAI shipped GPT-5.5 today. Everyone will quote the Terminal-Bench 2.0 jump from 75.1% to 82.7% — and miss the claim buried further down: significantly fewer tokens per Codex task, and state-of-the-art coding intelligence at half the cost of competitive frontier models. Here's which number to actually watch, and a decision rule for when to switch.

#openai#agentic-coding#gpt-55#model-releases
Tech· 2026-04-23· 5min

Claude Code's Forked Subagents Aren't an Upgrade. They're the Opposite Tool.

Anthropic shipped /fork in Claude Code v2.1.117 — a subagent that inherits the entire parent conversation instead of a compressed handoff prompt. The obvious read is "subagents but better." It's wrong. Forks and regular subagents sit at opposite ends of a single axis: context inheritance. The blank slate was never a bug. Here's the decision rule.

#claude-code#subagents#forked-subagents#agentic-coding