GPT-6 Luna Pro
GPT-6 Luna Pro (openai/gpt-6-luna-pro) is a multimodal language model from OpenAI on the OceanToken API at $0.10 per 1M input tokens and $0.50 per 1M output tokens, with a 1.05M-token context window and reasoning, tool calling, structured outputs and image input.
- Context window
- 1.05M tokens
- Max output
- 128K tokens
- Input
- file + image + text
- Output
- text
LearnWhat GPT-6 Luna Pro is and what it can do
What is GPT-6 Luna Pro?
GPT-6 Luna Pro is the same underlying model as GPT-6 Luna, served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks.
- Per 1M input / output tokens
- $0.10 / $0.50
- Context window
- 1.05M
- Input
- file + image + text
Starting price
Up to 128K output per reply
Output: text
What GPT-6 Luna Pro can do
Multi-step reasoning
Tool-using agents
Structured outputs (JSON)
Image understanding
CompareHow its price and specs stack up
GPT-6 Luna Pro vs similar models: price
What you pay for GPT-6 Luna Pro and the models most like it: the same kind of work, from the families we feature, priced within about three times of it.
GPT-6 Luna ProOpenAI
Qwen3.8 FlashQwen
DeepSeek V4.1 Flash (1017)DeepSeek
GLM 5.3 FlashZ.ai
MiniMax M3MiniMax
Gemini 2.5 Flash LiteGoogle
GPT-6 Luna Pro vs Qwen3.8 Flash
Qwen3.8 Flash costs $0.295: 2% less than GPT-6 Luna Pro.
−25% at the top tier
GPT-6 Luna Pro vs DeepSeek V4.1 Flash (1017)
DeepSeek V4.1 Flash (1017) costs $0.525: 1.8× the price of GPT-6 Luna Pro.
−40% at the top tier
GPT-6 Luna Pro vs GLM 5.3 Flash
GLM 5.3 Flash costs $0.325: 1.1× the price of GPT-6 Luna Pro.
GPT-6 Luna Pro vs MiniMax M3
MiniMax M3 costs $0.75: 2.5× the price of GPT-6 Luna Pro.
GPT-6 Luna Pro vs Gemini 2.5 Flash Lite
Gemini 2.5 Flash Lite costs $0.225: 25% less than GPT-6 Luna Pro.
−10% at the top tier
GPT-6 Luna Pro specs
The technical card for GPT-6 Luna Pro, from the OceanToken catalog.
- Context window
- 1.05M tokens
- Max output
- 128K tokens
- Input
- file, image, text
- Output
- text
- Reasoning
- Yes
- Tool calling
- Yes
- Structured outputs
- Yes
- Prompt caching
- Reads $0.01
1,050,000
128,000
reasoning_effort
tool_choice
response_format
Writes $0.125; per 1M tokens, official price at every tier
GPT-6 Luna Pro model ID and endpoint
- OceanToken model ID
openai/gpt-6-luna-pro- OpenAI-compatible base URL
https://api.oceantoken.ai/v1- Endpoint
POST /v1/chat/completions
Buy and buildWhat it costs and how to send your first request
GPT-6 Luna Pro API pricing
Prices come from the OceanToken catalog as of November 5, 2026. You pay per use from a prepaid balance, with no subscription.
- Input
- $0.10 / 1M tokens
- Output
- $0.50 / 1M tokens
- Cached input
- $0.01 / 1M tokens
- Cache write
- $0.125 / 1M tokens
- Web search
- $0.01 / search
OceanToken starting price as of November 5, 2026. The console always shows the current price. How tiers work
Add credits Specs, request sample and alternatives in the docsGPT-6 Luna Pro cost calculator
Pick a typical request or enter your own token counts. The calculator uses the starting prices on this page and shows the same workload on the models compared above.
- Per request
- $0.008
- Per month
- $8.00
The same workload per month
At the starting price (tier 1). Cached input is billed at the cache-read price; cache writes are left out because they depend on how often your prompt prefix changes. Your console shows the rate for your tier.
What a request costs
| Request | Input tokens per request | Output tokens per request | Cost |
|---|---|---|---|
| Chat reply | 2,000 | 600 | $0.0005 |
| Agent step | 60,000 | 4,000 | $0.008 |
| Long document summary | 400,000 | 12,000 | $0.05 |
Input and output tokens at the starting price above, with no caching.
How to use GPT-6 Luna Pro on OceanToken
Three steps from no account to a working request. The same key and balance work for every model in the catalog.
Create an account and get an API key
Create an OceanToken account, then create a key. One key works for every model your account can use.
Add credits
OceanToken is prepaid: add credits, and each request is billed from that balance. Your console shows the rate for your tier.
Call GPT-6 Luna Pro from your code
Point an OpenAI SDK at
https://api.oceantoken.ai/v1and use the model IDopenai/gpt-6-luna-pro. The code below sends one request.Get API Key from openai import OpenAI # Your API Key from the OceanToken console client = OpenAI(base_url="https://api.oceantoken.ai/v1", api_key="YOUR_API_KEY") reply = client.chat.completions.create( model="openai/gpt-6-luna-pro", messages=[{"role": "user", "content": "Hello"}]) print(reply.choices[0].message.content)# Your API Key from the OceanToken console curl https://api.oceantoken.ai/v1/chat/completions \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{"model": "openai/gpt-6-luna-pro", "messages": [{"role": "user", "content": "Hello"}]}'
GPT-6 Luna Pro API: frequently asked questions
GPT-6 Luna Pro is the same underlying model as GPT-6 Luna, served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks.
GPT-6 Luna Pro costs $0.10 per 1M input tokens and $0.50 per 1M output tokens. Cached input costs $0.01 per 1M tokens, and cache writes cost $0.125 per 1M tokens. Web search costs $0.01 per search. These are OceanToken starting prices as of November 5, 2026, charged per use to your prepaid balance. The console always shows the current price.
GPT-6 Luna Pro has a context window of 1.05M tokens (1,050,000 tokens).
GPT-6 Luna Pro supports tool calling, structured outputs, image input (vision) and reasoning. It takes file, image and text input and returns text.
Send requests to https://api.oceantoken.ai/v1/chat/completions with the model ID openai/gpt-6-luna-pro and your OceanToken API key. The API is OpenAI-compatible, so an OpenAI SDK needs only the base URL https://api.oceantoken.ai/v1 and your key. The Responses API and the Anthropic Messages API (/v1/messages) work too. The same OceanToken API key works for every model your account can use. Full reference: docs.oceantoken.ai.
OceanToken is prepaid. Open Credits in the console, choose an amount and pay by card on Stripe's hosted checkout page (Link works too). Your balance updates a few seconds after payment. Have a trial code? Redeem it on the same page.
Purchased credits are valid for 12 months from the date of purchase. Credits from trial codes, promotions or gifts may have a shorter validity. All purchases are final and non-refundable, except where the law requires a refund. Section 6 of the Terms of Service has the details.
Not if the request never ran: a request refused for an insufficient balance or by a safety check, or one whose provider fails before returning any output, is not charged. A video job that fails releases the amount it held. If a request breaks off after the model has started producing output, for example a stream cut off part-way, you pay for the tokens that were processed and generated for it.
Sources
- OceanToken model catalog: every price, context window, input, output and parameter on this page (November 5, 2026).
By the OceanToken team, from the catalog and the sources above.
Whatever you want.