Alibaba

Spot the error in this hybrid search scoring code that combines BM25 and cosine scores.

Fill in the tensor shapes as a batch flows through one transformer block

Defend dropping the value network: when does critic free RL break down?

Predict what a 20 step warmup does to a 13B run

Turning production user signals into better retrieval over time

Order the steps of one handoff in the OpenAI Agents SDK Runner loop

Pick the LangGraph prebuilt that fits a workflow with no central router

A GPU pool sustains 9,000 output tokens/sec: will it hold this traffic?

How does a sliding window memory keep a chat under budget, and what does it always lose?

Why do hour scale agents use hierarchical summarization instead of a single summary block?