{"slug": "vetta-long-horizon-agents", "title": "Vetta: Long-Horizon Agents", "summary": "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.", "body_md": "## Only pay while it's working.\n\nIt saves progress and sleeps between steps, so an eight-hour task doesn't bill you for eight hours.\n\nNaïve raises $28.5M Series A to build autonomous company infrastructure\n\nVetta is a prod-ready harness that runs in managed infrastructure. Best for cost efficiency in long-running tasks.\n\nTasks finished (%)\n\nCost ($ / finished)\n\nLoose\n\n$0.171\n\nPriority\n\n$0.233\n\nImmediate\n\n$0.298\n\nClaude Code\n\n$0.872\n\nHermes\n\n$1.095\n\nPi\n\n$1.102\n\nCodex\n\n$1.325\n\nIt saves progress and sleeps between steps, so an eight-hour task doesn't bill you for eight hours.\n\nName any model and how hard it should think, then pick a speed — work that isn't urgent runs about 40% cheaper.\n\nLatency\n\nanswers soonCost / completed task\n\n$0.2332It gets a shell, a real browser, your files, 10,000+ connected apps, and any MCP server you point it at.\n\nA spend cap the run can't blow past, and a list of actions it has to ask a human about first.\n\nA list of roles, and the lead agent hands each one a single task instead of the whole chat history.\n\nA disposable Linux box with a shell, a filesystem, and a real browser that pauses when the agent sleeps.\n\nBuilt for production\n\nA 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.\n\n``` python\nimport Vetta from \"@usenaive-sdk/vetta\";\n\nconst vetta = new Vetta();\n\nconst agent = await vetta.agents.create({\n  name: \"nightly-triage\",\n  model: \"zai-org/GLM-5.2-FP8\",\n  system: \"You are a concise triage agent.\",\n  window: \"loose\",\n  skills: [\"triage-policy\"],\n  budget: {\n    cap_micro_usd: 50_000_000,\n    max_task_micro_usd: 5_000_000,\n    period: \"month\",\n  },\n});\n```\n\n", "url": "https://wpnews.pro/news/vetta-long-horizon-agents", "canonical_source": "https://www.vetta.sh/", "published_at": "2026-08-25 00:37:22+00:00", "updated_at": "2026-08-25 01:13:30.735645+00:00", "lang": "en", "topics": ["ai-agents", "ai-infrastructure", "ai-startups", "ai-tools"], "entities": ["Naïve", "Vetta", "Claude Code", "Codex", "Hermes", "Pi"], "alternates": {"html": "https://wpnews.pro/news/vetta-long-horizon-agents", "markdown": "https://wpnews.pro/news/vetta-long-horizon-agents.md", "text": "https://wpnews.pro/news/vetta-long-horizon-agents.txt", "jsonld": "https://wpnews.pro/news/vetta-long-horizon-agents.jsonld"}}