GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks. Unlike previous models built around minute-level interactions, GLM-5.1 can work independently and continuously on...
With CoreAI, you can start chatting with Z.ai: GLM 5.1 instantly — no separate subscription needed. CoreAI lets you chat with Z.ai: GLM 5.1 alongside 300+ other AI models from Z-ai and other providers like OpenAI, Anthropic, Google, Meta, and more.
Measured against all 412 chat models CoreAI serves, Z.ai: GLM 5.1 sits at #261 for context capacity — 200K tokens, roughly 150,000 words or 300 pages of text in a single conversation. On price, it is the #122 cheapest of 198 standard-tier models by input cost. It joined the catalog on 2026-04-07. It supports step-by-step reasoning (thinking mode).
Every model in this table is available on CoreAI — open the web app and run the same prompt through Z.ai: GLM 5.1 and Z.ai: GLM 5.2 side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00248 on Z.ai: GLM 5.1's raw per-token rates; a heavy session with a 50K-token document costs about $0.063. On CoreAI you don't juggle these numbers — one subscription covers Z.ai: GLM 5.1 and 300+ other models under a plan usage limit, with no API keys. See plans.
Z.ai: GLM 5.1 handles 200K tokens of context — roughly 150,000 words, or about 300 pages of text in one conversation.
Z.ai: GLM 5.1's underlying rates are $0.966 per 1M input tokens and $3.04 per 1M output tokens. On CoreAI it is included in one subscription alongside 300+ models, so there is no per-token billing to manage.
No — Z.ai: GLM 5.1 is text-only. If you need image understanding, its standard-tier peers with vision are listed in the comparison table above.
Yes. Z.ai: GLM 5.1 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 5.1 in the model selector, and chat — no API key, no per-token billing. One subscription covers Z.ai: GLM 5.1 and 300+ other models.
The closest alternatives on CoreAI are Z.ai: GLM 5.2, Anthropic Claude Haiku Latest, IBM: Granite 4.0 Micro — 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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