name = "Claude Sonnet 5"
description = "Everyday Claude agent model for coding, planning, browsing, and general work"
family = "claude-sonnet"
release_date = "2026-06-30"
last_updated = "2026-06-30"
attachment = true
reasoning = true
temperature = false
tool_call = true
knowledge = "2026-01-31"
open_weights = false

[limit]
context = 1_000_000
output = 128_000

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

[[benchmarks]]
name = "SWE-Bench Verified"
score = 85.2
metric = "resolved"
source = "https://www.anthropic.com/news/claude-sonnet-5"
date = "2026-06-30"

[[benchmarks]]
name = "SWE-Bench Pro"
score = 63.2
metric = "resolve rate"
source = "https://www.anthropic.com/news/claude-sonnet-5"
date = "2026-06-30"

[[benchmarks]]
name = "SWE-Bench Multilingual"
score = 78.3
metric = "resolve rate"
source = "https://www.anthropic.com/news/claude-sonnet-5"
date = "2026-06-30"

[[benchmarks]]
name = "Terminal-Bench"
score = 80.4
metric = "success rate"
harness = "Terminus-2"
version = "2.1"
source = "https://www.anthropic.com/news/claude-sonnet-5"
date = "2026-06-30"

[[benchmarks]]
name = "OSWorld-Verified"
score = 81.2
metric = "success rate"
source = "https://www.anthropic.com/news/claude-sonnet-5"
date = "2026-06-30"

[[benchmarks]]
name = "BrowseComp"
score = 84.7
metric = "accuracy"
variant = "single agent"
source = "https://www.anthropic.com/news/claude-sonnet-5"
date = "2026-06-30"

[[benchmarks]]
name = "FrontierCode"
score = 38.8
metric = "pass rate"
version = "v1"
source = "https://www.anthropic.com/news/claude-sonnet-5"
date = "2026-06-30"