AD
Track all your projects in one dashboard. Get 📊stats, 🔥heatmaps and 👀recordings in one self-hosted dashboard.
uxwizz.com
#73

GPT-6 Luna

OpenAI Release: 2026-09-23 Tested on: 2026-09-23 05:18 openai/gpt-6-luna::high
~400B total (~17B active)MoEClosedEstimated
(high) (medium) (low) (none)

Summary

GPT-6 Luna scores 8.3 on AI BENCHY and ranks #73. It has 10.0 reliability, a 75.8% pass rate, $0.054 total cost, and 17.53s average response time.

What makes GPT-6 Luna unique: It stands out most in Domain specific, where it ranks #2, while Coding is its weakest area at #13. Its total benchmark cost is unusually low for its score range.

Model facts

Researched on 2026-09-23

Estimated
Parameters
~400B total (~17B active)
Architecture
MoE
Availability
Closed
License
-

Best estimate from public evidence; the vendor did not disclose every value. Vendor does not disclose parameter counts or architecture. Low-confidence catalog estimate carries forward the prior openai/gpt-5.6-luna family estimate; the linked announcement establishes identity and availability, not these counts.

Parameter source Availability source

Score

8.3

Consistency

9.0

Reliability

10.0

Total Cost (Current Price)

$0.054

Total Output Tokens

91,405

Total Input Tokens

80,441

Input Price

$0.100 / 1M

Output Price

$0.500 / 1M

Tests Correct

Wrong Tests: 7

Attempt pass rate: 75.8%

Flaky tests

3

Flaky tests had mixed outcomes across runs (at least one pass and one fail).

Response Time (avg)

17.53s

Response Time (max): 106.93s

Response Time (total): 385.74s

Wrong answer: 6 Did not follow instructions: 1

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#73 GPT-6 Luna

high
Cost
$0.003
Time
49.2s
Tokens
5,231 tok

Charts

Choose the first model, then click a second model to open a side-by-side page.

Total Output Tokens

Score vs Total Output Tokens

Quick Compare

GPT-6 LunahighvsMuse Spark 1.1lowGPT-6 LunahighvsClaude Fable 5.1mediumGPT-6 LunahighvsDeepSeek V4.1 FlashmaxGPT-6 LunahighvsGemini 2.5 FlashmediumGPT-6 LunahighvsGLM 5.3 FlashXmaxGPT-6 LunahighvsMuse Spark 1.3lowGPT-6 LunahighvsInkling SmallhighGPT-6 LunahighvsClaude Sonnet 5mediumGPT-6 LunahighvsGPT-6 SollowGPT-6 LunahighvsQwen3.8 2.4T A95Blow

Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 10.0 10.0
Coding 7.8 7.4
Combined 10.0 10.0
Data parsing and extraction 10.0 10.0
Domain specific 5.9 7.2
General Intelligence 5.1 10.0
Instructions following 8.4 6.9
Puzzle Solving 7.8 10.0
Tool Calling 10.0 10.0
Trivia 3.0 10.0

Compared models