- Score
- 8.6 (+0.86 points)
- Total Cost (Current Price)
- $0.061 · 18.1% cheaper
- Response Time (avg)
- 7.51s · 63.1% faster
OpenAI
Release: 2026-09-23
Tested on: 2026-09-30 23:20
openai/gpt-6-luna::high
~400B total (~17B active)MoEClosedEstimated
Summary
GPT-6 Luna scores 7.7 on AI BENCHY and ranks #118. It has 10.0 reliability, a 73.9% pass rate, $0.074 total cost, and 20.37s average response time.
What makes GPT-6 Luna unique: It stands out most in Domain specific, where it ranks #1, while Instructions following is its weakest area at #14.
Recommended alternatives
We recommend choosing one of these models instead:
- Score
- 8.3 (+0.55 points)
- Total Cost (Current Price)
- $0.047 · 36.4% cheaper
- Response Time (avg)
- 18.07s · 11.3% faster
Model facts
Researched on 2026-09-23
- 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.
7.7
Consistency
8.7
10.0
$0.074
Total Output Tokens
101,587
Total Input Tokens
229,986
Input Price
$0.100 / 1M
Output Price
$0.500 / 1M
Cache Read Price
$0.010 / 1M
Cache Write Price
$0.125 / 1M
Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.
Flaky tests
4
Flaky tests had mixed outcomes across runs (at least one pass and one fail).
Hamster playing table tennis
Prompt: Create a detailed SVG illustration of a hamster playing table tennis.
#118 GPT-6 Luna
high- Cost
- $0.003
- Time
- 49.2s
- Tokens
- 5,231 tok
Price History
Historical pricing data for this model from OpenRouter.
| Date | Input Price | Output Price | Cache Read Price | Cache Write Price |
|---|---|---|---|---|
| 2026-10-01 18:33 | $0.100 / 1M | $0.500 / 1M | $0.010 / 1M | $0.125 / 1M |
Charts
Choose the first model, then click a second model to open a side-by-side page.
Top Models by Score
Score vs Total Cost
Response Time (avg)
Score vs Response Time (avg)
Total Output Tokens
Score vs Total Output Tokens
Quick Compare
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Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Agentic | 5.2 | 3.2 | |
| 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 |