iFlytek Spark X1.5 - A large-scale deep reasoning model launched by iFlytek.

What is Xunfei Xinghuo X1.5?

iFlytek Spark X1.5 is a deep inference model developed by iFlytek, built on a fully domestically produced computing platform. The model is the first to overcome the end-to-end training efficiency problem of MoE models, achieving over 93% of the efficiency of international competitors in end-to-end performance. The model benchmarks against mainstream international models in multiple fields, including language understanding, text generation, knowledge-based question answering, logical reasoning, mathematical ability, and coding ability, maintaining a leading international level in mathematical capabilities. Supporting over 130 languages, its overall performance reaches over 95% of GPT-5, providing high-quality services to global users and helping domestic AI technology become more competitive in the global market.

Main functions of iFlytek Spark X1.5

• Language comprehension and generationIt supports more than 130 languages, can accurately understand complex semantics, generate high-quality text, and meet diverse needs such as writing and translation.
• Knowledge Q&AIt allows for rapid retrieval of vast amounts of knowledge, providing accurate and comprehensive answers covering a wide range of issues in academic, daily life, and professional fields.
• Logical reasoning and mathematical abilityPossesses strong logical reasoning ability and can handle complex logical problems; has internationally leading mathematical calculation ability and can solve various mathematical problems.
• Coding abilityIt supports code generation and optimization for multiple programming languages, helping developers quickly implement functions and improve code quality.
• Multilingual supportIt supports text processing in more than 130 languages, enabling seamless cross-language interaction and meeting the multilingual needs in a globalized environment.

Performance of iFlytek Spark X1.5

• Core CompetenciesIn core capabilities such as language understanding, text generation, knowledge-based question answering, logical reasoning, mathematical ability, and coding ability, iFlytek Spark X1.5 is competitive with mainstream international models. Particularly in mathematical ability, iFlytek Spark X1.5 scored 82.1, placing it at an internationally leading level.
• Multilingual processing capabilitiesThe iFlytek Spark X1.5 supports more than 130 languages and its overall performance reaches more than 95% of that of GPT-5, especially excelling in 14 key languages in Latin America and ASEAN regions.
• Industry model application:In model applications in the education and healthcare industries, the core capabilities of iFlytek Spark X1.5 are globally leading.
• Evaluation set performanceiFlytekSpark X1.5 has performed exceptionally well on multiple key domestic and international test sets, achieving outstanding results in tests such as the 2025 National College Entrance Examination, MMLU-Pro, AIME 2025, BRUMO 2025, CodeBench-v6, Chinese SimpleQA, and SimpleQA.

Application scenarios of iFlytek Spark X1.5

• EducationThe iFlytek Spark X1.5 can assist teaching and learning, generate lesson plans and exercises, support language learning, and contribute to the intelligentization of education.
• Office SceneThe model can generate documents and meeting minutes, provide schedule management and intelligent reminders, and effectively improve office efficiency.
• Development and TechnologyiFlytek Spark X1.5 can generate code snippets, optimize code logic, and generate technical documents, helping developers to develop efficiently.
• Life servicesThe model can provide functions such as intelligent question answering, language translation, and information retrieval to help users solve everyday problems.
• HealthcareiFlytek Spark X1.5 provides basic medical consultation, assists in generating medical records, retrieves medical literature, and helps with health management.