Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. Models
  3. GPT-6 Luna Pro
Updated Sep 25, 2026
Loading...
Openings

How GPT-6 Luna Pro starts an answer

The first lines of 5 of its 13 written answers. Formatting stripped, words untouched.

Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

2,116 words
This agreement is heavily one-sided. Several terms let the Client expand the work, delay or deny payment, claim ownership of the Contractor’s existing materials, and expose the Contractor to potentially unlimited liability.
Read the full answer

Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

2,057 words
12-week longevity and performance plan This is a structured starting plan for a generally healthy adult—not a diagnosis or a substitute for medical care. The best longevity interventions are still the unglamorous ones: not smoking, regular exercise, adequate sleep, a high-quality diet, healthy blood pressure and…
Read the full answer

Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

1,986 words
I would not wait six months for a completed regulatory process, and I would not wait for perfect certainty before taking proportionate steps to protect patients.
Read the full answer

Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

1,906 words
The main architectural risk is that this design treats collaborative editing as ordinary “last write wins” data storage. It is not: edits need a well-defined order, reliable propagation, and a conflict model that preserves concurrent work.
Read the full answer

Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

1,661 words
The biggest change would not be that 1920 suddenly gets modern computers. It would be that governments and firms have six or seven extra decades to develop semiconductor materials, manufacturing, and applications.
Read the full answer

Compare GPT-6 Luna Pro

GPT-6 Luna Pro vs Ox Alpha20 shared prompts · Landed Aug 2026
GPT-6 Luna Pro vs MiniMax M320 shared prompts · Landed Jun 2026
GPT-6 Luna Pro vs GPT-6 Sol Pro20 shared prompts · Landed Sep 2026
GPT-6 Luna Pro vs GPT-6 Luna20 shared prompts · Landed Sep 2026
GPT-6 Luna Pro vs GPT-6 Sol20 shared prompts · Landed Sep 2026
GPT-6 Luna Pro vs Mercury 2.520 shared prompts · Landed Sep 2026
GPT-6 Luna Pro vs Ling 3.0 Flash Fin (free)20 shared prompts · Landed Sep 2026
GPT-6 Luna Pro vs Muse Spark 1.320 shared prompts · Landed Sep 2026
GPT-6 Luna Pro vs Gemini 3.8 Flash20 shared prompts · Landed Sep 2026
GPT-6 Luna Pro vs Muse Spark 1.3 Contributor20 shared prompts · Landed Sep 2026
GPT-6 Luna Pro vs Grok 4.620 shared prompts · Landed Aug 2026
GPT-6 Luna Pro vs Dots3-Note Preview20 shared prompts · Landed Aug 2026

Prompts GPT-6 Luna Pro answered

  • Explain Like I'm a Specific Expertreasoning
  • Startup Pitch Teardownreasoning
  • Retro macOS UI Recreationweb design
  • Advanced Investment Memo (IC Memo)financial modeling
  • Advanced Longevity Plan (Biohacker)reasoning
  • Beginner's Longevity Planreasoning

Alternatives to GPT-6 Luna Pro

GPT-6 Luna Pro's competitors have been quietly putting in work.

Solar Mini 4 logo
Solar Mini 4upstage
GLM 5.3 Prime logo
GLM 5.3 Primez-ai
Qwen3.8 Max Prime logo
Qwen3.8 Max Primeqwen
Claude Opus 5.5 logo
Claude Opus 5.5anthropic
Command A+ logo
Command A+cohere
MiMo-V2.6-Flash logo
MiMo-V2.6-Flashxiaomi
Grok 4.7 logo
Grok 4.7xai
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
GPT-6 Luna Pro

GPT-6 Luna Pro

GPT-6 Luna served with pro reasoning mode. It applies additional reasoning computation to the Luna model while retaining its text, image, and file inputs and 1.05-million-token context.

OpenRouterDocs
Provider
OpenAI
Released
2026-09-22
Size
LARGE
Free API (OpenRouter)
No
Per 1M tokens
$0.10 in · $0.50 out
Rival’s tab
$0.06
20/20 receipts survived

Free API availability

No free endpoint for GPT-6 Luna Pro was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.

Provider data: 25 Sep 2026 · OpenRouter usage limits

View API options↗
Get API accessProvider and language code samples
2 hostsInOutContextUptime
Azure AI Foundry$0.10 in·$0.50 out·1.1M·100% upOpenAI$0.10 in·$0.50 out·1.1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.

Provider
fromimport openai  OpenAI

client = OpenAI(
"https://openrouter.ai/api/v1"    base_url=,
"$OPENROUTER_API_KEY"    api_key=,
)

response = client.chat.completions.create(
"openai/gpt-6-luna-pro"    model=,
"role""user""content""Hello!"    messages=[{: , : }],
)
print(response.choices[0].message.content)

Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.

Favorites

The Shawshank Redemption

Movie

The Shawshank Redemption

19948.7
Rumours

Album

Rumours

Fleetwood Mac
Frankenstein; or, The Modern Prometheus

Book

Frankenstein; or, The Modern Prometheus

Mary Shelley
Kyoto

City

Kyoto

Japan
The Legend of Zelda: Breath of the Wild

Game

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5

Model Responses

15 outputs · $0.06 tracked across 15 receipts

Reviewing agent-written code?See a Brief PR report

Workshop · 150 skills

Build with your coding agent.

Editable skills for interface polish and interaction.

Explore $79Free sample

Keep exploring

COMPARE

GPT-6 Luna Pro vs Ox Alpha

Real outputs compared side by side

RANKINGS

Best AI for Creative Writing

A stand-up set with puns banned, a manifesto against CAPTCHA, an interview wi...