name = "GLM 5.2 Fast" description = "Efficient GLM model for fast reasoning, coding, and agent workflows" family = "glm" release_date = "2026-06-23" last_updated = "2026-06-16" attachment = false reasoning = true temperature = true tool_call = true open_weights = false [[reasoning_options]] type = "toggle" [[reasoning_options]] type = "effort" values = ["high", "xhigh"] [cost] input = 2.1 output = 6.6 cache_read = 0.21 [limit] context = 1_000_000 output = 128_000 [modalities] input = ["text"] output = ["text"]