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▶ 8:36 · AI Agents · Harnesses should provide primitives for agents to orchestrate, not enforce flows
episode briefing
Sequoia Capital

Closing the Experience Gap: Why Smart AI Agents Still Feel New on the Job | Trajectory

2026-08-13 · 1 company · 11 thematic
sentiment
1 bull0 bear0 neu
speakers
arjun

Co-founder of Trajectory, building a platform for continual learning for AI agents. Previously worked at Apple on differential privacy. Co-founded with Ronak (ex-One Surf, Train Speed 1) and Michael (ex-DeepMind robotics).

now playing · AI Agents
AI Agentstailwindscore 8/10arjun
Continual learning closes the experience gap for AI agents
Models are improving on IQ but lack experience; capturing real interactions and learning from them via RL enables agents that compound with use, creating a structural tailwind for AI agent…
AI Infrastructuretailwindscore 8/10arjun
Full-stack continual learning platform spans traces, evals, harnesses, and models
True continual learning requires optimizing across the entire agent system — traceability, production-grade evals, flexible harnesses, and model post-training — not just model weights.
AI Infrastructuretailwindscore 7/10arjun
Traceability must capture full agent trees and corrective user behavior
Current tracing misses sub-agents and tool calls; the real learning signal comes from corrective edits, undos, and retries, not simple thumbs up/down, requiring product design that elicits…
AI Infrastructuretailwindscore 7/10arjun
Evals should be drawn from real production traffic and be replayable
Evaluation environments should match production harness exactly, using actual user traffic and frontier requests, with the ability to replay any user task for continuous improvement.
AI Agentstailwindscore 7/10arjun
Harnesses should provide primitives for agents to orchestrate, not enforce flows
As agents become more capable, harnesses should shift from preventing errors to exposing tools and private info as primitives, letting agents orchestrate freely, with agent interfaces mirro…
Frontier AI Modelstailwindscore 7/10arjun
Open-weight models and model routers unlock continual improvement
Owning model weights via open-source bases and routing tasks to specialized models enables companies to continually post-train on their own data rather than relying on static frontier APIs.
Open Source AItailwindscore 7/10arjun
Open weight models and routers unlock continual learning ownership
Companies must get comfortable running open weight models to own their weights and continually improve; model routers will route tasks to the right capability, enabling customized intellige…
Enterprise AI Adoptiontailwindscore 7/10arjun
Companies must own their intelligence layer rather than rent it
The ability to learn from proprietary interactions and improve models in-house is a core competitive advantage; platforms that make post-training accessible (15-minute workflows) democratiz…
AI Safety & Alignmenttailwindscore 6/10arjun
Differential privacy via synthetic distribution matching enables learning without customer data
Sampling distributions from customer data and synthetically generating training data allows model improvement without directly training on sensitive customer data, addressing a key barrier…
AI Agentstailwindscore 7/10arjun
Feedback hierarchy determines whether learning updates model weights or context
Corrective feedback with known right answers should update model weights; global tool failures should improve base model; user-specific preferences should stay in context/harness, enabling…
AI Applicationstailwindscore 8/10arjun
Continual learning drives exponential gains on frontier tasks where models barely succeed
The highest ROI for continual learning is on tasks at the edge of model capabilities where users push boundaries; models learn from these interactions to master previously impossible tasks,…