Claude Mythos
PreviewAnthropic
•
Proprietary# 23
Released
Apr 7, 2026
Benchmarks
# 2
Code RankedAGI
91.0%
# 2
SWEBench Pro
77.8%
# 1
SWEBench Multilingual
87.3%
# 1
SWEBench Verified
93.9%
# 2
Terminal Bench 2.0
82.0%
# 4
Agentic RankedAGI
87.8%
# 3
Browse Comp
86.9%
# 4
OSWorld Verified
79.6%
# 1
Cyber Gym
83.1%
# 1
Reason RankedAGI
89.1%
# 2
HLE
56.8%
# 1
HLE w/ Tools
64.7%
# 1
GPQA Diamond
94.6%
# 46
Math RankedAGI
71.5%
# 2
RAGI RankedAGI
76.7%
# 2
CharXiv Reasoning
86.1%
# 1
CharXiv Reasoning w/ Tools
93.2%
Pricing
# 47
Input Cost /M
$25
# 54
Output Cost /M
$125
Additional Details
Links
Last Updated
about 2 months ago