name = "Grok Code Fast 1" description = "Fast Grok model for responsive chat, reasoning, and tool-assisted work" family = "grok" release_date = "2025-09-01" last_updated = "2025-09-01" attachment = true reasoning = false temperature = true tool_call = true open_weights = false [cost] input = 0.20 output = 1.50 [limit] context = 256_000 output = 16_384 [modalities] input = ["text", "image"] output = ["text"]