name = "Claude Sonnet 4"
description = "Balanced Claude model for coding, analysis, agent workflows, and cost control"
family = "claude-sonnet"
release_date = "2025-05-22"
last_updated = "2025-05-22"
attachment = true
reasoning = true
reasoning_options = [{ type = "budget_tokens", min = 1_024 }]
temperature = true
tool_call = true
knowledge = "2025-03-31"
open_weights = false

[cost]
input = 3.00
output = 15.00
cache_read = 0.30
cache_write = 3.75

[[cost.tiers]]
tier = { size = 200_000 }
input = 6.00
output = 22.50
cache_read = 0.60
cache_write = 7.50

[limit]
context = 1_000_000
output = 64_000

[modalities]
input = ["text", "image", "pdf"]
output = ["text"]

[provider]
npm = "@ai-sdk/anthropic"