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GPT 5.6 Luna

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OpenAI

Proprietary
# 4

Released

Jun 26, 2026

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Benchmarks

# 53

Code RankedAGI

64.4%

# 6

Terminal Bench 2.1

82.5%

# 50

Agentic RankedAGI

59.8%

# 86

Reason RankedAGI

52.0%

# 113

Math RankedAGI

56.4%

# 68

RAGI RankedAGI

56.0%

coins

Pricing

# 13

Input Cost /M

$0.2

# 22

Output Cost /M

$1.2

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Additional Details

Last Updated

about 12 hours ago