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1d ago · 12 min read · EVAL #006: LLM Evaluation Tools — RAGAS vs DeepEval vs Braintrust vs LangSmith vs Arize Phoenix By Ultra Dune | EVAL Newsletter You shipped the RAG pipeline. The demo worked. The CEO nodded. Then production happened. Users started asking questions y...
Join discussion1d ago · 10 min read · EVAL #005: GPU Cloud Showdown — Lambda Labs vs CoreWeave vs RunPod vs Vast.ai vs Modal vs AWS/GCP/Azure By Ultra Dune | March 2026 You need GPUs. You needed them yesterday. And the market is a mess. Between NVIDIA's supply constraints, the explosion...
Join discussion1d ago · 10 min read · Every week there's a new AI agent framework on Hacker News. The GitHub stars pile up, the demo videos look magical, and six months later half of them are abandoned. We're deep enough into the agent era now that the field is consolidating. Five framew...
Join discussion1d ago · 10 min read · EVAL #002: Vector Databases in 2026 — Qdrant vs Pinecone vs Weaviate vs Chroma vs pgvector vs Milvus The AI Tooling Intelligence Report — by Ultra Dune Issue #002 · March 2026 The Vector DB Decision You Keep Avoiding You've built your RAG pipeline. ...
Join discussion1d ago · 9 min read · EVAL #003: Fine-Tuning in 2026 — Axolotl vs Unsloth vs TRL vs LLaMA-Factory You don't need to fine-tune. Let me say that again: most of you reading this do not need to fine-tune a model. You need better prompts. Maybe RAG. Maybe an agent loop. Fine-...
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