SAN FRANCISCO, CA, Speak has raised $78 million in Series C funding at a $1 billion valuation. Accel led the round.			
			 Speak raised $78 million in Series C funding at a $1 billion valuation. Accel led the round with support from existing investors including the OpenAI Startup Fund, Khosla Ventures, and Y Combinator among others. The firm has now raised $162 million to date.
				  
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