#167 GPT-5.6 Luna
low- Cost
- $0.011
- Time
- 10.2s
- Tokens
- 1,897 tok
OpenAI
Release: 2026-07-09
Tested on: 2026-08-14 02:19
openai/gpt-5.6-luna::low
~400B total (~17B active)MoEClosedEstimated
Summary
GPT-5.6 Luna scores 6.2 on AI BENCHY and ranks #167. It has 10.0 reliability, a 54.5% pass rate, $0.051 total cost, and 5.20s average response time.
Model facts
Researched on 2026-08-12
- 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 the architecture or count.
6.2
Consistency
8.2
10.0
Total Output Tokens
26,286
Total Input Tokens
96,355
Input Price
$0.200 / 1M
Output Price
$1.200 / 1M
Flaky tests
5
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.
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-08-14 02:19 Re-test | 6.2 | 10.0 | $0.026 ↓ | Current run | |
| 2026-07-16 22:37 New test added | 6.2 | 10.0 | $0.249 | Compare | |
| 2026-07-09 21:16 Initial run | 6.2 | 10.0 | $0.141 | Compare |
This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.
Run comparison
| Run | Benchmark coverage | Score | Consistency | Reliability | Tests Correct | Flaky tests | Total Output Tokens | Total Input Tokens | Total Cost | Response Time (avg) |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-14 02:19 · Current run | 66/66 attempts | 6.2 | 8.2 | 10.0 | 10/22 | 5 | 26,286 | 96,355 | $0.051 | 5.20s |
| 2026-07-16 22:37 · New test added | 66/66 attempts | 6.2 | 8.2 | 10.0 | 10/22 | 5 | 25,438 | 96,346 | $0.249 | 5.04s |
| Difference | — | 0.0 | 0.0 | 0.0 | 0 | 0 | +848 | +9 | -$0.199 | +162ms |
These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.
Price History
Historical pricing data for this model from OpenRouter.
| Date | Input Price | Output Price |
|---|---|---|
| 2026-07-09 21:18 | $1.000 / 1M | $6.000 / 1M |
| 2026-07-28 08:40 | $0.500 / 1M | $3.000 / 1M |
| 2026-07-31 10:14 | $0.100 / 1M | $0.601 / 1M |
| 2026-08-14 12:51 | $0.100 / 1M | $0.600 / 1M |
| 2026-08-20 12:51 | $0.200 / 1M | $1.200 / 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 |
|---|---|---|---|
| Anti-AI Tricks | 8.3 | 10.0 | |
| Coding | 5.5 | 10.0 | |
| Combined | 2.8 | 1.6 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 2.9 | 7.2 | |
| General Intelligence | 5.0 | 10.0 | |
| Instructions following | 8.5 | 6.8 | |
| Puzzle Solving | 7.6 | 7.2 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |