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Text ModelProprietary
GPT-5.6 Luna
by OpenAI
Benchmark Evaluations
CodingSWE-bench Pro
62.7%
ReasoningGPQA Diamond
92.3%
Pricing Details
Input Cost
$1.00
per 1M tokensOutput Cost
$6.00
per 1M tokensBlended Cost
$2.25
based on 3:1 ratioContext Window
1.05M tokens
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Go to DashboardQuick Info
- ProviderOpenAI
- CategoryText / Chat
- LicenseProprietary
- AvailabilityAPI Only
- WebsiteVisit Website ↗
Frequently Asked Questions about GPT-5.6 Luna
GPT-5.6 Luna has a blended cost of $2.25 per 1 million tokens (calculated using a standard 3:1 input-to-output token ratio). Its specific pricing is $1.00 per 1M input tokens and $6.00 per 1M output tokens.
GPT-5.6 Luna supports a context window of 1.05M tokens. This allows it to process large documents, codebase segments, or long chat histories in a single query session.
GPT-5.6 Luna scores 62.7% on coding evaluations (swe-bench-pro) and 92.3% on reasoning tasks (gpqa-diamond).
GPT-5.6 Luna is an proprietary model developed by OpenAI.
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