The substrate
under the agents.
We are deliberately model-agnostic and infrastructure-pragmatic. The stack below is what we reach for. None of it is sacred — except the observability.
Reasoning
Frontier reasoners for planning, decomposition, and self-critique. We benchmark per-task and route accordingly.
Cheap & fast
Distilled local models for the 80% of calls that don't need a frontier brain. Sub-100ms p95 latency.
Vision
Multimodal vision for forms, screenshots, dashboards, video frames. Layout-aware OCR included.
Voice
Realtime APIs for speech-to-speech with native turn-taking. Custom voice cloning where the brand requires.
Vector
Hybrid sparse+dense retrieval. Re-rankers tuned per-domain. We don't ship cosine similarity in production.
Graph
Citation graphs, entity graphs, and dependency graphs for reasoning over relationships, not just text.
Runtime
Stateful agent runtimes with checkpointing, replay, and human-in-the-loop primitives baked in.
Browser fleet
Sandboxed browsers with proxy rotation, CAPTCHA delegation, and persistent profiles. Up to 10k concurrent.
Tracing
Every prompt, every tool call, every retry — recorded and replayable. The single most undervalued part of the stack.
Eval
Golden sets, LLM-as-judge, adversarial eval, and shadow traffic. Runs every commit. Blocks the deploy.
Policy
Structured-output enforcement, PII redaction, prompt-injection defense, and per-action approval policies.
Compute
GPU and CPU on-demand, auto-scaled, with spot recovery. We deploy to your cloud or ours.