OpenAI
GPT-6 Luna
OpenAI's efficient GPT-6 for high-volume work. Half the price of GPT-5.6 Luna.
Replaces GPT 5.6 Luna: input $0.21 → $0.105 per 1M (-50%), output $1.26 → $0.525 per 1M (-58%), same context window.
Run this model
openai/gpt-6-luna
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', 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
- $0.105
- All-in MiniRouter rate
- Output / 1M
- $0.525
- All-in MiniRouter rate
- Context
- 1.1M
- 1,050,000 tokens
- Max output
- 128K
- tokens
- DeepSWE 1.1
- 66.6%
- max effort
- AutomationBench
- +5.4 pts
- over GPT-5.6 Luna, 58% lower cost per task
- Announced
- 22 Sept 2026
- publisher release
Publisher-reported, plotted by MiniRouter
Within reach of Sol on code.
Luna at max effort lands 2.2 points behind Sol on DeepSWE.
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% |
Pricing
Half the price of GPT-5.6 Luna.
OpenAI discounts cached input reads by 90%. Above 272K input tokens, Vercel bills input at 2x and output at 1.5x.
GPT-6 Luna FastOpenAI list, per 1M tokens
- Input
- $0.10was $0.20
- Output
- $0.50was $1.20
View chart data
| Model | Input | Output |
|---|---|---|
| GPT-6 Sol | $2.00 | $10.00 |
| GPT-5.6 Sol | $4.00 | $20.00 |
| GPT-6 Luna | $0.10 | $0.50 |
| GPT-5.6 Luna | $0.20 | $1.20 |
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/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 | $0.105 | $0.525 | max_tokens, temperature, stop, tools, tool_choice, reasoning, include_reasoning, response_format, structured_outputs | MiniRouter balance |