name = "Claude Opus 4.5" description = "Flagship Claude model for deep reasoning, coding, and long-horizon agents" family = "claude-opus" release_date = "2025-11-24" last_updated = "2025-11-24" attachment = true reasoning = true reasoning_options = [{ type = "effort", values = ["low", "medium", "high"] }, { type = "budget_tokens", min = 1_024 }] temperature = true tool_call = true knowledge = "2025-03-31" open_weights = false [cost] input = 5.00 output = 25.00 cache_read = 0.50 cache_write = 6.25 [limit] context = 200_000 output = 64_000 [modalities] input = ["text", "image", "pdf"] output = ["text"] [provider] npm = "@ai-sdk/anthropic"