Just finished interviewing 50+ AI engineers about their tech stack. Consensus stack for 2026: • Models: GPT-4o + Claude
Just finished interviewing 50+ AI engineers about their tech stack. Consensus stack for 2026: • Models: GPT-4o + Claude 3.5 Sonnet + Llama 4 (open) • Frameworks: LangChain or LlamaIndex • Vector DB: Pgvector (startups) / Pinecone (enterprise) • Orchestration: Temporal or Inngest • Monitoring: W&B + LangSmith • Deployment: Replicate, Modal, or self-hosted The stack is maturing fast.
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