#model-selection

4 items tagged #model-selection.

GUIDE 2026-05-11

A decision framework for which AI model to use on which task

Most developers default to the most expensive model for every task. A four-axis framework—cost, intelligence, speed, context—shows when that's right and when it's 10x overpay.

Owner · 6 min #ai-coding #model-selection

GUIDE 2026-05-11

Choosing between Opus, Sonnet, and Haiku in Claude Code without overspending

Opus costs roughly 5x Sonnet and 20x Haiku. Routing tasks to the right model is the single highest-leverage cost decision in a Claude Code workflow.

Owner · 7 min #claude-code #cost

GUIDE 2026-05-11

Fast mode in Claude Code: when to trade Opus 4.7 for Opus 4.6 speed

Claude Code's /fast toggle switches to Opus 4.6 mid-session. Here's which tasks benefit from the faster model and which ones warrant staying on 4.7.

Owner · 5 min #claude-code #fast-mode

GUIDE 2026-05-11

Codex reasoning effort: how the low/medium/high knob actually changes behavior

Codex's reasoning_effort parameter changes how much the model thinks before responding. Here is how to read the tradeoffs and pick the right level for the task at hand.

Owner · 6 min #codex #reasoning