The island rises between the Atlantic Ocean and the Caribbean. Havana is the largest city and capital; other major cities include Santiago de Cuba and Camagüey. The island is 1,250 km (780 mi) long and 191 km (119 mi) across its widest points and 31 km (19 mi) across its narrowest points. It comprises an archipelago of islands centred upon the geographic coordinates 21°3N, 80°00W. Salaries in Cuba are the lowest in the world, but some things are free that people in other countries have to pay for. People who work for the government do not get paid much money.

• In 1975, the OAS lifted its sanctions against Cuba with the approval of 16 member states, including the United States.
• Hills, dotted with groves of pine and palm, characterize much of the island’s northwest and southeast.
• In 2013 Cuba ended the requirement established in 1961 that any citizens who wished to travel abroad were required to obtain an expensive government permit and a letter of invitation.
• Cuba has a universal health care system that provides free medical treatment to all Cuban citizens, although challenges include low salaries for doctors, poor facilities, poor provision of equipment, and the frequent absence of essential drugs.
• A shadow market has emerged for Chinese users to get access to foreign software tools.
• The country is divided into 15 provinces and one special municipality (Isla de la Juventud).
• The lowest point is the Caribbean Sea at 0 m (sea level) and the highest point is Pico Turquino at 1,974 m (6,476 ft), part of the Sierra Maestra mountain range, located in the southeast of the island.

Other political parties campaign and raise finances internationally, while activity by opposition groups is minimal. The People’s Supreme Court serves as the highest judicial branch of government. The First Secretary leads the Politburo and the Secretariat, making the office holder the most powerful person in government. Hurricane Irma hit the island on 8 September 2017, with winds of 260 km/h (160 mph), at the Camagüey Archipelago. A temperature rise of 2 °C above preindustrial levels can increase the likelihood of extreme hurricane rainfall by three times in Cuba.
The tornado caused extensive damage, destroying at least 90 homes, killing four people and injuring 195. A temperature rise of 2°C above preindustrial levels can increase the likelihood of extreme hurricane rainfall by three times in Cuba. A recent global remote sensing analysis suggested that there were 675 km2 of tidal flats in Cuba, making it the 38th-ranked country in terms of tidal flat area.
In September 2025, following the suicide of a 16-year-old, OpenAI said it planned to add restrictions for users under 18, including the blocking of graphic sexual content and the prevention of flirtatious talk. These limitations may be revealed when ChatGPT responds to prompts including descriptors of people. The reward model of ChatGPT, designed around human oversight, can be over-optimized and thus hinder performance, in an example of an optimization pathology known as Goodhart’s law. In the reinforcement learning stage, human trainers first ranked responses generated by the model in previous conversations. The importance of the sugar harvest has declined, with tourism, tobacco, nickel, and pharmaceuticals surpassing sugar in economic importance. Cuba ranks as the fifth-largest producer of refined cobalt in the world.

Human rights

ChatGPT has never been publicly available in China because OpenAI prevented Chinese users from accessing their site. Stanford researchers reported that GPT-4 “passes a rigorous Turing test, diverging from average human behavior chiefly to be more cooperative.” A 2023 study reported that GPT-4 obtained a better score than 99% of humans on the Torrance Tests of Creative Thinking.

• On balance, during the period 1933–1940, Cuba suffered from fragile political structures, with three presidents in two years (1935–1936) and in the militaristic and repressive policies of Batista as head of the army.
• The economic focus on sugar production involved international volunteers and the mobilization of workers from all sectors of the economy.
• Instead of starting from scratch every time, you can create a GPT that already knows what you’re trying to do, how you like things formatted and what kind of output you want.
• It can translate meaning — including tone, context and intent.
• Despite this, users may jailbreak ChatGPT with prompt engineering techniques to bypass these restrictions.
• In December 2024, OpenAI launched a new feature allowing users to call ChatGPT with a telephone for up to 15 minutes per month for free.
• He then aligned with landowners who owned the largest sugar plantations, and presided over a stagnating economy that widened the gap between rich and poor Cubans.

Sand and clay plains cover parts of the north, a gravel bed takes up most of the southern part of the island, and bogs dominate the coasts and sparsely inhabited interior. Hills, dotted with groves of pine and palm, characterize much of the island’s northwest and southeast. Among the extensive cays and archipelagoes ringing the main island are Los Colorados, to the northwest; Sabana and Camagüey, both off the north-central coast; the Jardines de la Reina (“Queen’s Gardens”), near the south-central coast; and Canarreos, near the southwest coast. The main island is surrounded by a submerged platform covering an additional 30,000 square miles (78,000 square km). The plains covering about two-thirds of the main island have been used extensively for sugarcane and tobacco cultivation and livestock raising.

Batista regime

The population of Cuba is close to 13 million. The country is divided into 15 provinces and one special municipality (Isla de la Juventud). In July 2021, there were demonstrations against the government. US citizens can now travel directly to Cuba at certain times of the year. In the 2000s, tourism to Cuba began to make money for the island again. Cuba also tried to get tourists to visit the island.

What can you use ChatGPT for?

If you want ChatGPT to think longer to improve the accuracy of its answers then you can select Thinking or Thinking mini from the model picker. OpenAI’s, ChatGPT-5 model can work across any combination of text, audio and images meaning many more applications for AI are now possible. OpenAI’s ChatGPT is leading the way in the generative AI revolution, quickly attracting millions of users, and promising to change the way we create and work. In the UK, a judge expressed concern about self-representing litigants wasting time by submitting documents containing significant hallucinations. In November 2025, OpenAI acknowledged that there have been “instances where our 4o model fell short in recognizing signs of delusion or emotional dependency”, and reported that it is working to improve safety.
An optional “Memory” feature https://www.betybets.nl/ allows users to tell ChatGPT to memorize specific information. It is designed to generate human-like text and can carry out a wide variety of tasks. ChatGPT is a chatbot and AI assistant built on large language model (LLM) technology. OpenAI collects data from ChatGPT users to further train and fine-tune its services.

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The islands form an important segment of the Antilles (West Indies) island chain, which continues east and then south in a great arc enclosing the Caribbean Sea. Cuba’s other cities—including Santiago, Camagüey, Holguín, and, especially, Trinidad—offer a rich legacy of colonial Spanish architecture to complement contemporary buildings. However, the collapse of the Soviet Union in the early 1990s isolated Cuba still further, bringing on what Cubans euphemistically call the período especial (“special period”), a time of widespread shortages and financial uncertainty.
Instead of starting from scratch every time, you can create a GPT that already knows what you’re trying to do, how you like things formatted and what kind of output you want. Custom instructions is where you tell ChatGPT how you want it to respond every time, so you don’t have to keep typing the same requests like “make it shorter” or “give me options” or “keep my voice.” As a freelancer, he’s contributed to titles including The Sunday Times, FourFourTwo and Arena. I wouldn’t like to be reading an article on a trusted news source, or watching a video only to discover that it wasn’t even created by a human, for example. There’s an old saying that you can’t put the genie back in the bottle, but I think people need to be very careful where they use AI and it should be clearly labelled as created with AI, if AI was involved. I’m optimistic that improved AI doesn’t have to mean an end to creativity, or employment, and we can learn how to use AI as another tool for human creativity instead of a replacement.

Since 1960, the U.S. embargo on Cuba stands as one of the longest-running trade and economic measures in bilateral relations history, having endured for over six decades. Cuba has conducted a foreign policy that is uncharacteristic of such a minor, developing country. The country is subdivided into 15 provinces and one special municipality (Isla de la Juventud). Miguel Díaz-Canel was elected president on 18 April 2018 after the resignation of Raúl Castro. More specifically, Cuba is considered a military dictatorship in the Democracy-Dictatorship Index and has been described as “a militarized society” with the armed forces having long been the most powerful institution in the country.

The middle class became increasingly dissatisfied with unemployment and political persecution. Between 1933 and 1958, Cuba extended economic regulations enormously, causing economic problems. However, in his “History Will Absolve Me” speech, Fidel Castro mentioned that national issues relating to land, industrialization, housing, unemployment, education, and health were contemporary problems. He then aligned with landowners who owned the largest sugar plantations, and presided over a stagnating economy that widened the gap between rich and poor Cubans. After finishing his term in 1944, Batista lived in Florida, returning to Cuba to run for president in 1952. The two terms of the Partido Auténtico brought an influx of investment, which fueled an economic boom, raised living standards for all segments of society, and created a middle class in most urban areas.
ChatGPT Plus costs $20 p/month (£20 / AU$30) and brings many benefits over the free tier, in particular a choice of Thinking or Fast mode, and access to the older GPT-4 models. ChatGPT is still available to use for free, but also has two paid-for tiers, a Plus and Pro membership, as well as a Team and Enterprise membership for people who work in organizations.ChatGPT free tier has access to ChatGPT-5. OpenAI released a larger and more capable model, called GPT-3, in June 2020, but it was the full arrival of ChatGPT 3.5 in November 2022 that saw the technology burst into the mainstream.