NVIDIA reports that fine-tuned Nemotron 3 systems reached gold-medal level at both IOI 2026 and IMO 2026.
Why it matters: The post lays out a four-part specialization recipe and the SFT, RL and inference-loop split behind two gold-level competition results.
Microsoft and Hugging Face released ThinkingBox, an agent benchmark that grades terminal backend state and side effects rather than final responses or tool-call validity.
Why it matters: The paper's 20-run repeat metric and failure breakdown show why a clean tool-call trace can still leave the wrong database state.
Hugging Face releases the Open TTS Leaderboard, using objective metrics (WER/CER via Qwen3 ASR.
Hugging Face researchers propose ProvenanceGuard, a post-generation verification layer for black-box MCP agents that checks whether each claim is supported by the source the answer names.