Vetta: Long-Horizon Agents

Naïve has raised $28.5 million in Series A funding to build autonomous company infrastructure, including Vetta, a production-ready harness for long-horizon AI agents that only bills while working, saving progress and sleeping between steps. Vetta claims to reduce costs by about 40% for non-urgent tasks, with a cost per completed task of $0.2332 for priority speed, compared to $0.872 for Claude Code and $1.325 for Codex.

Only pay while it's working. It saves progress and sleeps between steps, so an eight-hour task doesn't bill you for eight hours. Naïve raises $28.5M Series A to build autonomous company infrastructure Vetta is a prod-ready harness that runs in managed infrastructure. Best for cost efficiency in long-running tasks. Tasks finished % Cost $ / finished Loose $0.171 Priority $0.233 Immediate $0.298 Claude Code $0.872 Hermes $1.095 Pi $1.102 Codex $1.325 It saves progress and sleeps between steps, so an eight-hour task doesn't bill you for eight hours. Name any model and how hard it should think, then pick a speed — work that isn't urgent runs about 40% cheaper. Latency answers soonCost / completed task $0.2332It gets a shell, a real browser, your files, 10,000+ connected apps, and any MCP server you point it at. A spend cap the run can't blow past, and a list of actions it has to ask a human about first. A list of roles, and the lead agent hands each one a single task instead of the whole chat history. A disposable Linux box with a shell, a filesystem, and a real browser that pauses when the agent sleeps. Built for production A typed client, a CLI, and a REST endpoint — the same operation in all three. The spend cap is part of the config, so every agent has a ceiling from the moment it exists. python import Vetta from "@usenaive-sdk/vetta"; const vetta = new Vetta ; const agent = await vetta.agents.create { name: "nightly-triage", model: "zai-org/GLM-5.2-FP8", system: "You are a concise triage agent.", window: "loose", skills: "triage-policy" , budget: { cap micro usd: 50 000 000, max task micro usd: 5 000 000, period: "month", }, } ;