The official release of Hy4 delivers comprehensive and substantial improvements over Hy4 Preview, with particularly strong gains in agentic capabilities and performance across a wide range of long-horizon, real-world productivity...
With CoreAI, you can start chatting with Tencent: Hy4 instantly — no separate subscription needed. CoreAI lets you chat with Tencent: Hy4 alongside 300+ other AI models from Tencent and other providers like OpenAI, Anthropic, Google, Meta, and more.
Measured against all 404 chat models CoreAI serves, Tencent: Hy4 sits at #44 for context capacity — 1.0M tokens, roughly 786,432 words or 1,573 pages of text in a single conversation. On price, it is the #63 cheapest of 197 standard-tier models by input cost. Released 2026-11-04, it is one of the 2 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 Tencent: Hy4 and Tencent: Hy3 preview side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00104 on Tencent: Hy4's raw per-token rates; a heavy session with a 50K-token document costs about $0.027. On CoreAI you don't juggle these numbers — one subscription covers Tencent: Hy4 and 300+ other models under a plan usage limit, with no API keys. See plans.
Tencent: Hy4 handles 1.0M tokens of context — roughly 786,432 words, or about 1,573 pages of text in one conversation.
Tencent: Hy4's underlying rates are $0.417 per 1M input tokens and $1.25 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 — Tencent: Hy4 accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.
Yes. Tencent: Hy4 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 Tencent: Hy4 in the model selector, and chat — no API key, no per-token billing. One subscription covers Tencent: Hy4 and 300+ other models.
The closest alternatives on CoreAI are Tencent: Hy3 preview, Z.ai: GLM 5.3 FlashX Legal, Z.ai: GLM 5.2 — similar capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.
Chat with Tencent: Hy4 and 300+ other AI models — all in one app.