Spark-X1 is an AI model developed by iFlytek (China), first published in March 2025. It works in the language and mathematics domain, on tasks such as language modeling/generation, chat and mathematical reasoning.
Epoch AI has no training-compute estimate for this model. The model has 70,000,000,000 parameters. Training ran on 10,000 Huawei Ascend 910B.
Epoch AI rates the confidence of this record as confident.