OpenAI: GPT-5.6 Luna Pro (batch)
Analysis Summary
GPT-5.6 Luna Pro is an OpenAI low-cost configuration with a surprisingly broad interface. It supports text, image, and file input, vision, tool use, function calling, and a 1.05 million token context window. The very low input and output prices make it attractive for large-scale API traffic where marginal cost is a primary concern.
Agency workloads could include SEO metadata, content classification, templated revisions, document routing, and lightweight assistants that require structured actions. The large context window supports extensive reference material without a premium token budget. This exact listing has no benchmark record, so quality and reliability are unconfirmed despite the strong feature and price profile. It should begin with low-risk, reviewable automation and be promoted only after task-specific evaluation.
Assessed August 9, 2026
Editorial notes
GPT-5.6 Luna Pro combines multimodal input, vision, tool use, function calling, and a 1.05M context window at exceptionally low pricing. It is suited to high-volume automation, though this variant has no benchmark data.
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DFO Verdict
GPT-5.6 Luna Pro combines multimodal input, vision, tool use, function calling, and a 1.05M context window at exceptionally low pricing. It is suited to high-volume automation, though this variant has no benchmark data.
How OpenAI: GPT-5.6 Luna Pro (batch) compares
Its 1.1M-token context window is larger than 98% of the models we list. At $0.10 per million input tokens it is cheaper than 69% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Strongest on value. The pulled-in technical corner is the trade-off, and if the shape matters more than the price, this is your model.
Compare shapes side-by-side →Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.10 | $0.000100 |
| Output | $0.60 | $0.000600 |
What would OpenAI: GPT-5.6 Luna Pro (batch) cost your business?
Pick the job that looks most like yours, then fine-tune with the sliders. Estimates update live.
A website chatbot handling around 100 customer conversations a day, a few short messages each.
Full calculator with 713 models → Price Calculator
These numbers get smaller with the right architecture.
We route routine calls to cheap models and save OpenAI: GPT-5.6 Luna Pro (batch) for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout OpenAI: GPT-5.6 Luna Pro (batch)
GPT-5.6 Luna Pro is the same underlying model as GPT-5.6 Luna, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Frequently asked questions about OpenAI: GPT-5.6 Luna Pro (batch)
How much does OpenAI: GPT-5.6 Luna Pro (batch) cost?
OpenAI: GPT-5.6 Luna Pro (batch) costs $0.10 per million input tokens and $0.60 per million output tokens.
What is the context window of OpenAI: GPT-5.6 Luna Pro (batch)?
OpenAI: GPT-5.6 Luna Pro (batch) has a context window of 1,050,000 tokens (1.1M).
What can OpenAI: GPT-5.6 Luna Pro (batch) do?
OpenAI: GPT-5.6 Luna Pro (batch) supports image/vision input, tool use, and function calling.
Who created OpenAI: GPT-5.6 Luna Pro (batch)?
OpenAI: GPT-5.6 Luna Pro (batch) is developed by OpenAI and was released on July 9, 2026.