name = "Claude Opus 4.5"
description = "Flagship Claude model for deep reasoning, coding, and long-horizon agents"
family = "claude-opus"
release_date = "2025-11-01"
last_updated = "2025-11-01"
attachment = true
reasoning = true
temperature = true
tool_call = true
knowledge = "2025-05"
open_weights = false

[limit]
context = 200_000
output = 64_000

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

[[benchmarks]]
name = "SWE-Bench Pro"
score = 45.89
metric = "resolve rate"
dataset = "public"
source = "https://labs.scale.com/leaderboard/swe_bench_pro_public"