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GPT 5.6 Luna

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OpenAI

Proprietary
# 4

Released

Jun 26, 2026

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Benchmarks

# 51

Code RankedAGI

64.4%

# 6

Terminal Bench 2.1

82.5%

# 50

Agentic RankedAGI

59.7%

# 85

Reason RankedAGI

52.6%

# 110

Math RankedAGI

57.8%

# 68

RAGI RankedAGI

56.2%

coins

Pricing

# 30

Input Cost /M

$1

# 39

Output Cost /M

$6

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Additional Details

Last Updated

about 1 month ago