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ModelCap

GPT-5.6 Luna Pro

API only

OpenAI·openai/gpt-5.6-luna-pro

GPT-5.6 Luna Pro listed OpenRouter input price is $0.20 per 1M tokens and listed output price is $1.20 per 1M tokens, from OpenRouter listed prices as of 22 Sept 2026, 02:49 UTC.

GPT-5.6 Luna Pro has a published context limit of 1M tokens in the ModelCap catalogue as of 22 Sept 2026, 02:49 UTC.

GPT-5.6 Luna Pro has 5 published OpenRouter serving endpoints, from OpenRouter as of 22 Sept 2026, 02:49 UTC.

GPT-5.6 Luna Pro weight access is api only, from ModelCap classification of published repository metadata as of 22 Sept 2026, 02:49 UTC.

Snapshot facts · download the public dataset · methodology

ModelCap Index
See primary model · GPT-5.6 Luna
Route-specific operations remain below
Market Gravity
53.9Decreased by 0.2
Secondary market signal

This separately configured or accelerated route is reviewed as the same underlying model identity as GPT-5.6 Luna. That canonical product owns rank and capability evidence; pricing, providers and other operational differences remain route-specific below.

Input
$0.20
per 1M tokens
Output
$1.20
per 1M tokens
Context
1M
tokens
Providers
5
endpoints
Gateway spend
—
latest · Vercel share

Providers

Uptime measured over the last 30 minutes
ProviderInputOutputContextQuantUptime
OpenAIflexCheapest$0.10$0.601M—100.0%
Azure$0.20$1.201M—99.73%
OpenAI$0.20$1.201M—100.0%
Azureeu$0.22$1.321M——
OpenAIfast$0.40$2.401M—100.0%

Deployment readiness

Metadata index
33.1
limited · 38% metadata coverage
Not capability
Artifact reproducibility
0.0
Access & legal clarity
30.3
Deployability
90.0
Evaluation provenance
0.0

Missing: artifactReproducibility.revision-sha, artifactReproducibility.architecture-and-model-type, artifactReproducibility.parameter-count, artifactReproducibility.serialized-weight-format, artifactReproducibility.base-lineage, accessLegalClarity.declared-license, accessLegalClarity.resolvable-license-terms, evaluationProvenance.admitted-evaluation-observations, evaluationProvenance.capability-family-breadth, evaluationProvenance.evaluation-source-diversity, evaluationProvenance.identity-and-source-confidence, evaluationProvenance.evaluation-dataset-revisions.

A metadata completeness and deployability index—not a safety certification, quality grade, or production-readiness claim.

Market activity

Venue coverage
Market Gravity
53.9
OpenRouter weekly popularity
#49 of 322

Market Gravity uses OpenRouter’s full-catalogue popularity order. Sparse Vercel top-ten observations appear only when published and do not affect the score.

Market Gravity breakdown

Usage55%
32.6

OpenRouter weekly popularity across the full model catalogue.

Liquidity25%
98.8

Independent providers versus the model's open or closed cohort, weighted by uptime.

Open reach15%
50.0

Hugging Face 30-day downloads for open models; neutral for closed models.

Freshness5%
75.2

Time since first public availability, on a six-month half-life.

Specification

Context window
1M tokens
Max output
128K tokens
Inputs
File, Image, Text
Outputs
Text
Tokenizer
GPT
Cached input tokens
$0.02 / 1M
First seen on OpenRouter
9 Jul 2026
Knowledge cutoff
2026-02-16

Capabilities

  • Supported: Reasoning
  • Supported: Tool use
  • Supported: Structured output
  • Supported: Response format
  • Supported: Moderated