# Anthropic's Claude Devs account recommends Opus for large projects, Sonnet for quality-speed-cost balance

> Anthropic's @ClaudeDevs account recommends starting with Opus for large projects and Sonnet for balancing quality with speed and cost, noting Claude apps default to medium effort and Platform to high.

- **Topic**: Models
- **Published**: 2026-10-01T11:15:59.345Z
- **Updated**: 2026-10-01T11:17:03.854Z
- **Canonical URL**: https://highsignal.sh/stories/anthropics-claude-devs-account-announces-sonnet-5-5-claiming-a-faster-cheaper-759c993e

## Why It Matters

It is practical model-selection guidance rather than a new release, arriving the same day Google announced its Gemini 4 Argon frontier model.

## Primary Sources & Citations

- [Sonnet 5](https://x.com/ClaudeDevs/status/2104641318555353400) — *X - Claude Devs* (Community discussion)
- [@LEJ_limited gave Sonnet 5](https://x.com/claudeai/status/2104674989442052393) — *X - Claude* (Community discussion)
- [We recommend starting with Opus for large projects and Sonnet for tasks where you need to balance quality with speed ...](https://x.com/ClaudeDevs/status/2104641321097175233) — *X - Claude Devs* (Community discussion)

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