Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, end-to-end project management with...
With CoreAI, you can start chatting with Anthropic: Claude Sonnet 4.6 instantly — no separate subscription needed. CoreAI lets you chat with Anthropic: Claude Sonnet 4.6 alongside 300+ other AI models from Anthropic and other providers like OpenAI, Anthropic, Google, Meta, and more.
Anthropic: Claude Sonnet 4.6 holds the #123 spot for context size out of 444 chat models in the CoreAI catalog — 1M tokens, roughly 750,000 words or 1,500 pages of text in a single conversation. On price, it is the #22 cheapest of 67 premium-tier models by input cost. It joined the catalog on 2026-02-17. 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 4.6 and Anthropic: Claude Sonnet 4.5 side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.0105 on Anthropic: Claude Sonnet 4.6's raw per-token rates; a heavy session with a 50K-token document costs about $0.225. On CoreAI you don't juggle these numbers — one subscription covers Anthropic: Claude Sonnet 4.6 and 300+ other models under a plan usage limit, with no API keys. See plans.
Anthropic: Claude Sonnet 4.6 handles 1M tokens of context — roughly 750,000 words, or about 1,500 pages of text in one conversation.
Anthropic: Claude Sonnet 4.6's underlying rates are $3 per 1M input tokens and $15 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 4.6 accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.
Yes. Anthropic: Claude Sonnet 4.6 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 4.6 in the model selector, and chat — no API key, no per-token billing. One subscription covers Anthropic: Claude Sonnet 4.6 and 300+ other models.
The closest alternatives on CoreAI are Anthropic: Claude Sonnet 4.5, Qwen: Qwen3.8 Max 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 4.6 and 300+ other AI models — all in one app.