Sebastian Vettel has dampened speculation he is set to jump ship from Red Bull and join Ferrari in 2014 by saying he is “extremely committed” to the team who helped him claim a third consecutive Formula One title on Sunday.

The exact nature of Vettel’s contract with Red Bull is unclear, but the German driver said he was tied to the constructor until the end of 2014.

Speculation has surrounded Vettel’s future at Red Bull since Ferrari principal Stefano Domenicali said in June the 25-year-old and Ferrari driver Fernando Alonso could “easily co-exist together”.

Alonso, a double world champion who was narrowly beaten to the title by Vettel in Brazil on Sunday, has a contract with the Italian team until the end of 2016 and is very much the number one in the current line-up with Brazilian Felipe Massa.

“I have a contract until – I think you know better than me – at this stage, until the end of 2014,” Vettel told reporters.

“I’m very happy with what we have achieved so far and I don’t think this story is over yet. I’m very happy and extremely committed to give everything I have, also in the next years when I’m with them.

“At the moment, I don’t see any point thinking about another team or something else. I’m extremely happy in the position I am. It’s incredible what we have achieved.”

Massa’s Ferrari contract runs until the end of next year.

Vettel hailed his third title as his most difficult having found it harder to assert himself in a topsy-turvy season that began with seven different winners in the first seven races.

Singapore proved the turning point and Vettel went on to win four races in a row to take the lead from Alonso in South Korea.

Meanwhile, the F1 champion yesterday admitted to have cried on Sunday after having secured the title in a dramatic race in Brazil.

“Yes, I cried under my helmet,” Vettel admitted to German daily Bild.

“And fortunately the radio was broken so you didn’t have to hear me cry like in 2010,” he said, referring to the oft repeated moment, on German TV, from two years ago when he cried openly into the microphone after his first world title.

At 25, Vettel is the youngest driver in history to achieve the hat-trick of world crowns and said he felt a flood of emotions when he entered the final kilometre in Sao Paulo.

“It was crazy, really special,” he said, having won the world drivers’ championships by 281 points with Alonso second with 278.

“I had pictures in my head from a long time ago, from the first time I sat in a kart as a child.

“Then I thought of all the people in my Formula One career who have been behind me and helped me along the way.

“It was so similar to how it was in Abu Dhabi in 2010, but at the same time, you are completely in the race.

“You could have tapped me on the shoulder and I wouldn’t have noticed.”

But while Sao Paulo marked the final race for seven-time world champion Michael Schumacher, Vettel said he still had a long way to go before he could be legitimately compared to his compatriot.

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