Workers AI - Z.ai GLM-5.3 Flash now available on Workers AI

<p><a href="https://developers.cloudflare.com/workers-ai/models/glm-5.3-flash/"><code>@cf/zai-org/glm-5.3-flash</code></a> is now available on Workers AI. It is the first natively multimodal model in the GLM-5 series, built on a Mixture-of-Experts architecture with 320B total parameters and 18B active per token.</p> <p>GLM-5.3 Flash is the first GLM-family model on Workers AI to support multimodal inputs. It outperforms GLM-5.2 across benchmarks and real-world workloads at a lower price, while approaching Claude Opus 4.8 on coding and agentic benchmarks.</p> <p>GLM-5.3 Flash requires the <a href="https://developers.cloudflare.com/workers/platform/pricing/#workers">Workers Paid plan</a> or prepaid <a href="https://developers.cloudflare.com/ai-gateway/features/unified-billing/">AI Gateway credits</a>.</p> <p>Use GLM-5.3 Flash through the <a href="https://developers.cloudflare.com/workers-ai/configuration/bindings/">Workers AI binding</a> (<code>env.AI.run()</code>), the REST API, the <a href="https://developers.cloudflare.com/workers-ai/configuration/open-ai-compatibility/">OpenAI-compatible endpoint</a>, or <a href="https://developers.cloudflare.com/ai-gateway/">AI Gateway</a>.</p> <p>For more information, refer to the <a href="https://developers.cloudflare.com/workers-ai/models/glm-5.3-flash/">GLM-5.3 Flash model page</a> and <a href="https://developers.cloudflare.com/workers-ai/platform/pricing/">pricing</a>.</p>