Product
GPT-5.6 Sol: scheda tecnica, prezzi API e dati
Updated
OpenAIAI Models & LLMs
- Context window
- 1.05M tokens
- Maximum output
- 128k tokens
- Input cost per 1M tokens
- $4.00
- Output cost per 1M tokens
- $20.00
- Knowledge cutoff
- February 2026
Data sheet · GPT-5.6 Sol
Every figure is quoted from the vendor's official page, with the date we read it. If a row is missing, the source does not state it and we do not estimate it.
Memory and answer length
- Context window
- 1.05M tokensRank 1 of 21
What it means and the source
How much text the model keeps in view in a single request, question and answer included. It matters for long documents and whole code projects. A token is a fragment of a word.
developers.openai.comOpens the source in a new tab Oct 23, 2026- Maximum output
- 128k tokensRank 3 of 16
What it means and the source
The longest answer it can write in one go: useful for reports, long code or translations of whole documents.
developers.openai.comOpens the source in a new tab Oct 23, 2026
API prices
- Input cost per 1M tokens
- $4.00Rank 16 of 21
What it means and the source
What it costs to have the model read a million tokens (your question, the documents, the code). It is the official list price, before discounts.
developers.openai.comOpens the source in a new tab Oct 23, 2026- Cached input cost per 1M tokens
- $0.40Rank 17 of 20
What it means and the source
The reduced price when part of the request is identical to one sent recently, for example the same instructions or the same document: the vendor keeps it in memory and charges less for it.
developers.openai.comOpens the source in a new tab Oct 23, 2026- Output cost per 1M tokens
- $20.00Rank 16 of 21
What it means and the source
What a million tokens written by the model cost. It usually costs more than the input and is the figure to watch when answers are long.
developers.openai.comOpens the source in a new tab Oct 23, 2026
Knowledge and abilities
- Knowledge cutoff
- February 2026Rank 8 of 9
What it means and the source
The month up to which the model's knowledge reaches. For more recent facts it needs web search or your documents.
developers.openai.comOpens the source in a new tab Oct 23, 2026- Reads images
- Yes13 models out of 23
What it means and the source
The model can take images (photos, screenshots, charts) as well as text.
developers.openai.comOpens the source in a new tab Oct 23, 2026
Questions and answers
GPT-5.6 Sol: how much does it cost through the API?
The official list price is $4.00 per 1M input tokens and $20.00 per 1M output tokens.
GPT-5.6 Sol: how much text can it read at once?
The context window is 1.05M tokens. It can write answers of up to 128k tokens.
GPT-5.6 Sol: how recent is its knowledge?
Its knowledge reaches February 2026. For more recent facts it needs web search or your documents.
In sintesi
Su OpenAI GPT-5.6 Sol il dato che conta davvero è Finestra di contesto: 1,050,000. L’ho preso da OpenAI – GPT-5.6 Sol. Fra i 21 che ho controllato, nessuno fa meglio. L’altro numero da guardare è Costo output per 1M token: 20.
I numeri di OpenAI GPT-5.6 Sol
Li ho messi in ordine di importanza, con il valore e la posizione rispetto agli altri che ho controllato.
Finestra di contesto: 1,050,000. È il valore migliore fra i 21 che ho confrontato.
Costo output per 1M token: 20. Posizione 16 su 21 che ho confrontato.
Costo input per 1M token: 4. Posizione 16 su 21 che ho confrontato.
Conoscenze aggiornate fino a: Feb 16, 2026. Posizione 8 su 9 che ho confrontato.
Costo input in cache per 1M token (USD): 0.4. Posizione 4 su 20 che ho confrontato.
Legge le immagini: 1. È il valore migliore fra i 13 che ho confrontato.
A chi è consigliato
Prendilo se Finestra di contesto è la tua priorità: 1,050,000, e fra quelli che ho controllato nessuno fa meglio.
Ti conviene se cerchi Legge le immagini: 1.
Guarda altrove se quello che conta per te è Costo output per 1M token: qui siamo a 20, e 15 prodotti fanno meglio.
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Fonti
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Reviews and tests
OpenAI GPT-5.6 Sol
Reviews and tests · OpenAI GPT-5.6 Sol
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What changed
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- Page updated