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Claude Mythos

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Anthropic

Proprietary
# 13

Released

Apr 7, 2026

chart

Benchmarks

# 1

Code RankedAGI

95.2%

# 1

SWEBench Pro

77.8%

# 1

SWEBench Multilingial

87.3%

# 1

SWEBench Verified

93.9%

# 2

Terminal Bench 2.0

82.0%

# 1

Agentic RankedAGI

93.5%

# 3

Browse Comp

86.9%

# 1

OSWorld Verified

79.6%

# 1

Cyber Gym

83.1%

# 1

Reason RankedAGI

89.5%

# 1

HLE

56.8%

# 1

HLE w/ Tools

64.7%

# 1

GPQA Diamond

94.6%

# 45

Math RankedAGI

71.5%

# 1

RAGI RankedAGI

78.8%

# 2

CharXiv Reasoning

86.1%

# 1

CharXiv Reasoning w/ Tools

93.2%

coins

Pricing

# 46

Input Cost /M

$25

# 52

Output Cost /M

$125

sparkle-2

Additional Details

Last Updated

about 1 month ago