On the Terminal-Bench 2.1 benchmark, Reflection AI's Beam model achieved a score of approximately 80% while generating roughly 25,000 tokens per attempt, compared to Z.ai's GLM-5.2 generating roughly 80,000 tokens

AI research advances and the benchmarks used to measure progress.

Large language models (LLMs) are advanced AI systems trained on massive text datasets to understand, generate, and reason about human language, powering applications such as chatbots, code generation, summarization, and scientific discovery.