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GPT-6 Luna

by OpenAI · Released Sep 2026

Multimodal1M Context
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Context
1.1M tokens (~525 books)
Input $/1M
$0.10
Output $/1M
$0.50
Type
multimodal
License
Proprietary
Benchmarks
7 tested
Data as of
About

GPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, positioned below GPT-6 Sol. It is suited for high-volume and latency-sensitive workloads such as chat, classification, and lightweight agentic...

Tested on 7 benchmarks. Top scores: Artificial Analysis · Long Context Reasoning (83.3%), Artificial Analysis · MMMU Pro (79.7%), Artificial Analysis · SciCode (54.6%).

Capabilities
speed
51.5
#26 globally
Benchmark Scores
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Tested on 7 benchmarks · Ranked across 1 categories
Score Distribution (all 312 models)
0255075100
Excellent (85+) Good (70-85) Average (50-70) Below (<50)
Recently Happened
GPT-6 Luna added
Sep 23, 2026
Links
Documentation
Community
BenchGecko API
gpt-6-luna
Specifications
  • Typemultimodal
  • Context1.1M tokens (~525 books)
  • ReleasedSep 2026
  • LicenseProprietary
  • StatusActive
  • Cost / Message~$0.001
Available On
OpenAI logoOpenAI$0.10
Categories
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GPT-6 Luna is a proprietary multimodal AI model by OpenAI, released in September 2026. Context window: 1M tokens.

Key facts · as of 2026-10-05

  • GPT-6 Luna by OpenAI. Not enough public benchmark scores to rank yet.
  • List price $0.1000 input · $0.50 output per 1M tokens (as of 2026-10-05).
  • Sold by 7 providers (as of 2026-10-05): OpenAI $0.0500 in / $0.25 out · Azure $0.10 in / $0.50 out · OpenAI $0.10 in / $0.50 out · Amazon Bedrock $0.11 in / $0.55 out · Azure $0.11 in / $0.55 out · and 2 more. Every provider
  • Gecko Tests · Gecko Score 55 (rank 5): Who Are You B (Knows who made it) · World Map B (96.2% of the map right) · Censorship Index C (Answers almost everything) · Knowledge Horizon C (Knows news up to Apr 2026) · Tokenizer Tax C (56% more tokens outside English).

How to cite · data as of 2026-10-05

GPT-6 Luna · benchmarks, pricing and providers. BenchGecko, data as of 2026-10-05. https://benchgecko.ai/model/gpt-6-luna

Credit "Source: BenchGecko" with a link. Prices per provider and Gecko Tests are BenchGecko data (CC BY 4.0); benchmark scores keep their original source, listed in the JSON. JSON · llms.txt · MCP