Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and producing...
With CoreAI, you can start chatting with Anthropic: Claude Sonnet 5.5 (batch) instantly — no separate subscription needed. CoreAI lets you chat with Anthropic: Claude Sonnet 5.5 (batch) alongside 300+ other AI models from Anthropic and other providers like OpenAI, Anthropic, Google, Meta, and more.
Measured against all 447 chat models CoreAI serves, Anthropic: Claude Sonnet 5.5 (batch) sits at #118 for context capacity — 1M tokens, roughly 750,000 words or 1,500 pages of text in a single conversation. On price, it is the #128 cheapest of 214 standard-tier models by input cost. Released 2026-09-28, it is one of the 5 newest additions to the catalog. It supports step-by-step reasoning (thinking mode) and accepts image input.
Every model in this table is available on CoreAI — open the web app and run the same prompt through Anthropic: Claude Sonnet 5.5 (batch) and Anthropic: Claude Sonnet 5 (batch) side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00350 on Anthropic: Claude Sonnet 5.5 (batch)'s raw per-token rates; a heavy session with a 50K-token document costs about $0.075. On CoreAI you don't juggle these numbers — one subscription covers Anthropic: Claude Sonnet 5.5 (batch) and 300+ other models under a plan usage limit, with no API keys. See plans.
Anthropic: Claude Sonnet 5.5 (batch) handles 1M tokens of context — roughly 750,000 words, or about 1,500 pages of text in one conversation.
Anthropic: Claude Sonnet 5.5 (batch)'s underlying rates are $1 per 1M input tokens and $5 per 1M output tokens. On CoreAI it is included in one subscription alongside 300+ models, so there is no per-token billing to manage.
Yes — Anthropic: Claude Sonnet 5.5 (batch) accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.
Yes. Anthropic: Claude Sonnet 5.5 (batch) can work through problems step by step before answering; on CoreAI you can toggle thinking mode per message.
Open the CoreAI web app or the iOS/Android app, pick Anthropic: Claude Sonnet 5.5 (batch) in the model selector, and chat — no API key, no per-token billing. One subscription covers Anthropic: Claude Sonnet 5.5 (batch) and 300+ other models.
The closest alternatives on CoreAI are Anthropic: Claude Sonnet 5 (batch), Z.ai: GLM 5.3 Prime, DeepSeek: DeepSeek V4 Flash Latest — similar tier and capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.
Chat with Anthropic: Claude Sonnet 5.5 (batch) and 300+ other AI models — all in one app.