# Sources:
# https://platform.claude.com/docs/en/about-claude/models/introducing-claude-fable-5-and-claude-mythos-5
# https://www.anthropic.com/claude/mythos
name = "Claude Mythos 5"
description = "Restricted Claude model for advanced cybersecurity and biology research workflows"
family = "claude-mythos"
release_date = "2026-06-09"
last_updated = "2026-06-09"
attachment = true
reasoning = true
temperature = false
tool_call = true
structured_output = true
knowledge = "2026-01-31"
open_weights = false

[limit]
context = 1_000_000
output = 128_000

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