Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
With CoreAI, you can start chatting with Anthropic: Claude Sonnet 5 (batch) instantly — no separate subscription needed. CoreAI lets you chat with Anthropic: Claude Sonnet 5 (batch) alongside 300+ other AI models from Anthropic and other providers like OpenAI, Anthropic, Google, Meta, and more.
Measured against all 350 chat models CoreAI serves, Anthropic: Claude Sonnet 5 (batch) sits at #58 for context capacity — 1M tokens, roughly 750,000 words or 1,500 pages of text in a single conversation. On price, it is the #103 cheapest of 165 standard-tier models by input cost. It joined the catalog on 2026-06-30. 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 (batch) and Anthropic: Claude Haiku 4.5 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 (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 (batch) and 300+ other models under a plan usage limit, with no API keys. See plans.
Anthropic: Claude Sonnet 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 (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 (batch) accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.
Yes. Anthropic: Claude Sonnet 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 (batch) in the model selector, and chat — no API key, no per-token billing. One subscription covers Anthropic: Claude Sonnet 5 (batch) and 300+ other models.
The closest alternatives on CoreAI are Anthropic: Claude Haiku 4.5, Qwen: Qwen3.7 Plus, inclusionAI: Ling-2.6-flash — 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 (batch) and 300+ other AI models — all in one app.