OpenAI
GPT-6 Luna Fast
GPT-6 Luna with priority processing. Same model, twice the price.
Replaces GPT 5.6 Luna (Fast): input $0.42 → $0.21 per 1M (-50%), output $2.52 → $1.05 per 1M (-58%), same context window.
Run this model
openai/gpt-6-luna-fast
Use an endpoint supported by this model.
Get a key for this setup →const response = await fetch('https://api.minirouter.sh/v1/chat/completions', { method: 'POST', headers: { Authorization: `Bearer ${process.env.MINIROUTER_KEY}`, 'Content-Type': 'application/json', }, body: JSON.stringify({ model: 'openai/gpt-6-luna-fast', messages: [{ role: 'user', content: 'Why is the sky blue?' }], max_tokens: 1024, }),}) const data = await response.json()console.log(data.choices[0].message.content)Model overview
- Input / 1M
- $0.21
- All-in MiniRouter rate
- Output / 1M
- $1.05
- All-in MiniRouter rate
- Context
- 1.1M
- 1,050,000 tokens
- Max output
- 128K
- tokens
- Model
- GPT-6 Luna
- same model and scores
- Price
- 2x Luna
- $0.20 in, $1 out per 1M
- Announced
- 22 Sept 2026
- publisher release
Publisher-reported, plotted by MiniRouter
Luna's scores, served faster.
Fast serves the same model, so these are GPT-6 Luna's results.
OpenAI-reported
DeepSWE 1.1
Long-horizon software engineering in real codebases.
Score by effort
0 to 100%
- Fable 5 · xhigh69.9%
- Sol · max68.8%
- Luna · max66.6%
View chart data
| Model | Effort | Score |
|---|---|---|
| Claude Fable 5 | xhigh | 69.9% |
| GPT-6 Sol | max | 68.8% |
| GPT-6 Luna | max | 66.6% |
When it pays off
Pay for speed only where you wait.
Route interactive turns here and background work to GPT-6 Luna.
GPT-6 LunaOpenAI list, per 1M tokens
- Input
- $0.20$0.10 standard
- Output
- $1.00$0.50 standard
View chart data
| Model | Input | Output |
|---|---|---|
| GPT-6 Sol | $2.00 | $10.00 |
| GPT-6 Sol Fast | $4.00 | $20.00 |
| GPT-6 Luna | $0.10 | $0.50 |
| GPT-6 Luna Fast | $0.20 | $1.00 |
One route, standard clients.
Authenticate with a MiniRouter bearer key. Caller-provided upstream credentials are not used on this route.
Read model setup docs →https://api.minirouter.sh/v1openai/gpt-6-luna-fast/v1/chat/completions/v1/messages/v1/responsesmax_tokens, temperature, stop, tools, tool_choice, reasoning, include_reasoning, response_format, structured_outputs
JSON Schema and JSON mode enforced on verified providers.
Configured provider
Priority follows the live catalog order.
Input: text, image · Output: text
| Provider | Priority | Input / 1M | Output / 1M | Parameters | Access |
|---|---|---|---|---|---|
vercel | 1 | $0.21 | $1.05 | max_tokens, temperature, stop, tools, tool_choice, reasoning, include_reasoning, response_format, structured_outputs | MiniRouter balance |