---
title: "Anthropic’s Claude Sonnet 5.5 Is Out, Beats Opus 5.5 at Coding for Half the Price"
url: https://thecoingazette.com/anthropics-claude-sonnet-5-5-is-out-beats-opus-5-5-at-coding-for-half-the-price/
date: 2026-09-28
modified: 2026-09-28
lang: en
author: "Coin Gazette Editorial"
description: "Anthropic's mid-tier model tops its own flagship on Terminal-Bench 4.0 and costs half as much per token, but an independent tester found it burns more tokens than any model it..."
categories:
  - "Artificial Intelligence"
word_count: 32
---

# Anthropic’s Claude Sonnet 5.5 Is Out, Beats Opus 5.5 at Coding for Half the Price

Anthropic's mid-tier model tops its own flagship on Terminal-Bench 4.0 and costs half as much per token, but an independent tester found it burns more tokens than any model it has measured.