name = "GLM-5.1" description = "General Language Model 5.1 — high-quality bilingual (EN/ZH) generation with strong coding and reasoning capabilities." family = "glm" release_date = "2026-04-07" last_updated = "2026-06-01" knowledge = "2025-04" attachment = false reasoning = true reasoning_options = [{ type = "toggle" }] temperature = true tool_call = true structured_output = true open_weights = true [cost] input = 1.00 output = 3.20 cache_read = 0.10 cache_write = 0 [limit] context = 202_752 output = 131_072 [modalities] input = ["text"] output = ["text"]