New model: GLM-5.3 (Mistral AI)

Mistral AI released GLM-5.3 on 2026-08-14, a model listed under the identifier zai-glm-5-3 with a 1000k context window and 131k maximum output, according to the model registry models.dev. No retirement date has been announced for GLM-5.3. The listing also matches the aliases zai-glm-5-3 and mistral/zai-glm-5-3.

MS● Healthy GLM-5.3 Mistral AI · zai-glm-5-3 Released2026-08-14 Retiresno announced date glmtext1000k context131k max out also matches: zai-glm-5-3 mistral/zai-glm-5-3 provider announcement → https://models.dev/mistral/zai-glm-5-3 Does your code call GLM-5.3? $ curl -fsSL https://llmstatus.ai/install.sh | bash Then mm status in any repo — it finds every model you use and flags the ones on a clock. No account, nothing uploaded. Get alerted before it retires → https://llmstatus.ai/sign-up