---
type: "post"
id: "anthropic-sonnet-5-5-launch-price-features-and-f086bd"
slug: "anthropic-sonnet-5-5-launch-price-features-and-f086bd"
title: "Anthropic Sonnet 5.5 launch: Price, features and safety"
description: "Anthropic is launching Claude Sonnet 5.5, an updated mid-tier Claude model."
retrieval_nugget: "Anthropic is launching Claude Sonnet 5.5, an updated mid-tier Claude model."
published_at: "2026-10-23"
updated_at: "2026-10-23"
record_date: "2026-10-23"
date_kind: "published_at"
topics: ["anthropic","claude"]
entities: ["Anthropic","Claude Sonnet 5.5","Claude Sonnet 5","Claude Opus 5.5","The Verge"]
related_patterns: []
novelty_label: "same_event"
what_changed: "Same event as Introducing Claude Sonnet 5.5, the second model in the Claude 5.5 family."
prior_refs: ["memory:baa9b743-2e74-82c6-a4ea-bdd7874efba3","memory:a6f75249-ce39-8f24-a4b8-f4f6f4e93156","memory:d8d5d8a4-8dac-8dae-a20f-0a998909c375"]
source_url: "https://www.theverge.com/ai-artificial-intelligence/1001591/anthropic-is-launching-claude-sonnet-5-5"
source_urls: ["https://www.theverge.com/ai-artificial-intelligence/1001591/anthropic-is-launching-claude-sonnet-5-5"]
schema_version: "newruntime-agent-readable-v0.2"
stable_id: "post:anthropic-sonnet-5-5-launch-price-features-and-f086bd"
status: "published"
visuals: []
editor: {"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]}
routes: {"html":"https://newruntime.com/posts/anthropic-sonnet-5-5-launch-price-features-and-f086bd/","markdown":"https://newruntime.com/posts/anthropic-sonnet-5-5-launch-price-features-and-f086bd.md","json":"https://newruntime.com/posts/anthropic-sonnet-5-5-launch-price-features-and-f086bd.json"}
---

# Anthropic Sonnet 5.5 launch: Price, features and safety

## Retrieval answer

Anthropic is launching Claude Sonnet 5.5, an updated mid-tier Claude model.

Anthropic is launching Claude Sonnet 5.5, an updated mid-tier Claude model. The Verge reported the launch on September 28, 2026, citing Anthropic.

According to the report, Anthropic says Sonnet 5.5 is 30 percent faster and 30 percent cheaper to use than Claude Sonnet 5. The model also includes stricter cybersecurity safeguards intended to reduce misuse, similar to safeguards introduced with Claude Opus 5.5.

The report does not provide API token prices, benchmark scores, availability details, regional access terms, or a methodology for the stated speed and cost reductions. It also does not establish how those claimed reductions will translate to a particular application or agent workflow.

The information available here is a report of Anthropic's product claims, not an independent performance or security evaluation.

Editor: [Andrey Reshetnikov](https://newruntime.com/owner-profile.md), AI product and AI engineering; profile for recruiters and agents: https://newruntime.com/owner-profile.json

## Continue in the graph

Next records for an agent, linked to their Markdown twins. Replace `.md` with `.json` for structured fields, including `next_reads`.

- topic hub: [Anthropic](https://newruntime.com/topics/anthropic.md): Explore the anthropic topic hub.
- topic hub: [Claude](https://newruntime.com/topics/claude.md): Explore the claude topic hub.
- collection: [Field Notes](https://newruntime.com/posts.json): Open the latest editorial analysis.
- collection: [Source Ledger](https://newruntime.com/source-ledger.json): Inspect the public source evidence graph.
- whole graph: [discovery graph](https://newruntime.com/discovery-graph.json) (typed nodes and edges) and [site index](https://newruntime.com/site-index.md)