GLM-5.3-FlashX is the high-speed variant of Z.ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s. Built on the same hybrid sparse and linear attention architecture...
With CoreAI, you can start chatting with Z.ai: GLM 5.3 FlashX instantly — no separate subscription needed. CoreAI lets you chat with Z.ai: GLM 5.3 FlashX alongside 300+ other AI models from Z-ai and other providers like OpenAI, Anthropic, Google, Meta, and more.
Z.ai: GLM 5.3 FlashX holds the #32 spot for context size out of 430 chat models in the CoreAI catalog — 1.0M tokens, roughly 786,432 words or 1,573 pages of text in a single conversation. On price, it is the #53 cheapest of 201 standard-tier models by input cost. Released 2026-09-18, 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 Z.ai: GLM 5.3 FlashX and Z.ai: GLM 4.7 side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00100 on Z.ai: GLM 5.3 FlashX's raw per-token rates; a heavy session with a 50K-token document costs about $0.025. On CoreAI you don't juggle these numbers — one subscription covers Z.ai: GLM 5.3 FlashX and 300+ other models under a plan usage limit, with no API keys. See plans.
Z.ai: GLM 5.3 FlashX handles 1.0M tokens of context — roughly 786,432 words, or about 1,573 pages of text in one conversation.
Z.ai: GLM 5.3 FlashX's underlying rates are $0.37 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 — Z.ai: GLM 5.3 FlashX accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.
Yes. Z.ai: GLM 5.3 FlashX 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 Z.ai: GLM 5.3 FlashX in the model selector, and chat — no API key, no per-token billing. One subscription covers Z.ai: GLM 5.3 FlashX and 300+ other models.
The closest alternatives on CoreAI are Z.ai: GLM 4.7, DeepSeek: DeepSeek Pro Latest, inclusionAI: Ling 3.0 Flash — similar tier and capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.
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