name = "GLM-5.1" description = "Flagship GLM model for hybrid reasoning, coding, and agentic engineering" family = "glm" release_date = "2026-03-27" last_updated = "2026-03-27" attachment = false reasoning = true temperature = true tool_call = true structured_output = true open_weights = false [[reasoning_options]] type = "toggle" [interleaved] field = "reasoning_content" [cost] input = 0 output = 0 cache_read = 0 cache_write = 0 [limit] context = 200000 output = 131072 [modalities] input = ["text"] output = ["text"]