List price
Input / 1M$0.10Output / 1M$0.50Cache read / 1M$0.010Blended$0.400Value index—Last move—
models.dev · MIT · retrieved Oct 23, 2026
OpenAI
GPT-6 Luna
GPT-6 Luna is listed by OpenAI at $0.1 input and $0.5 output per million tokens. The recorded context window is 1,050,000 tokens. Release date on file: 2026-09-22. LMArena's text board published 2026-10-20 gives it an overall rating of 1389.4 (rank 167, 63,594 votes). Price source: models.dev (MIT).
- Context100
- Inverse price100
- Arena65
- GPQA93
- Tools100
- Modalities67
Price history
Input and output list price. A missing day stays a gap in the line. The series is not a quality history.
Benchmarks
LMArena is CC-BY-4.0. Epoch scores, including LiveBench where Epoch publishes it, are CC-BY-4.0. A blank cell means this snapshot has no match. Nothing here is estimated.
| Benchmark | Score | Detail | Source |
|---|---|---|---|
| LMArena overall | 1389.4 | rank 167 · 63,594 votes | LMArena leaderboard dataset · CC-BY-4.0 |
| LMArena coding | 1436.6 | rank 124 · 14,401 votes | LMArena leaderboard dataset · CC-BY-4.0 |
| LMArena math | 1408.6 | rank 145 · 3,477 votes | LMArena leaderboard dataset · CC-BY-4.0 |
| GPQA Diamond | 90.5% | — | Epoch AI Capabilities & benchmarking · CC-BY-4.0 |
| LiveBench | — | — | — |
| SWE-bench Verified | — | — | — |
| Epoch Capability Index | 156.75 | 154.32–159.43 | Epoch AI Capabilities & benchmarking · CC-BY-4.0 |
Provider prices
The list row is the price used for the value index. Other rows are the same model id on models.dev, plus the LiteLLM catalog price when we have one. A split quote is kept beside the list price.
| Quote | Provider | Input / 1M | Output / 1M | Blended | Source |
|---|---|---|---|---|---|
| List | OpenAI | $0.10 | $0.50 | $0.400 | models.dev · MIT |
| Also listed | Standard Compute | $0.10 | $0.50 | $0.400 | models.dev · MIT |
| Also listed | Merge Gateway | $0.10 | $0.50 | $0.400 | models.dev · MIT |
| Also listed | AI/ML API | $0.10 | $0.50 | $0.400 | models.dev · MIT |
| LiteLLM | openai | $0.10 | $0.50 | $0.400 | LiteLLM model_prices_and_context_window.json · MIT |
Spec
Context1,050,000Max output128,000Inputtext, image, pdfOutputtextReleased2026-09-22Open weightsNo
Spec fields are from the models.dev row for OpenAI.