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But it does – and the Tesla Model 3 is the best known. It is, famously, a fully electric car – Tesla doesn’t do petrols, diesels or even hybrids – and it’s the US brand’s smallest and ...

The next query is generally “How fast is it?” Again, the answer here is hard for most people to relate to. You tell them it’s a 200-mph (321-km/h) car that can do the quarter-mile in 10 ...

When OpenAI put forward a model under the limit, it spent $6,677 (about $17 per question) to score 82.8%. The score of 91.5%, achieved by o3, came from blowing the budget. The company didn’t ...