Same task. Up to 99% lower cost with HarnessRouter
Switch harness and model through one API. Here s how to start.
- Product
- HarnessRouter
- Sent from
- harnessrouter.ai
- Sent
Switch harness and model through one API. Here’s how to start. ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ https://harnessrouter.ai Getting started Hi Emre, HarnessRouter turns leading agent harnesses like Codex, Claude Code, and Hermes into the backend of your agent product, through one API. We handle sandboxes, sessions, permissions, tools, context, and artifacts. Thanks for signing up. If you’re wondering how it fits into your workflow, here’s where to start. How it works 01 BUILD WITH YOUR CODING AGENT Give our agents.md https://harnessrouter.ai/agents.md to Claude Code, Codex, or your preferred coding agent, and ask it to build an application powered by HarnessRouter. Keep working on your company’s existing plan, with no new coding tool or seats to buy. 02 CONNECT WITH ONE API Your product UI · users · data One API Agent backend Claude Code Codex Hermes DeepSeek Harness Grok Build Pi Up to 99% lower cost on the same task, just by switching the harness and model. See Benchmark 01 https://harnessrouter.ai/benchmarks → Access different harnesses and models through one API. Use Arena https://app.harnessrouter.ai/arena to compare results, latency, and cost on the same task. 03 SHIP TO USERS Run your agents on HarnessRouter Cloud, with sandboxed execution and configured environments, so you can spend less time managing VPS instances, Docker, and deployment. To get started ▶︎ Video · YouTube Build your new AI agent product with HarnessRouter https://youtu.be/YX5iNQsCc-c Open Quick Start → https://app.harnessrouter.ai/quickstart Already have an agent product? MIGRATE YOUR EXISTING AGENTS DIRECTLY. Running Hermes or other agents on your own VPS and Docker? Bring the same agents to HarnessRouter Cloud without rebuilding your product. On your own VPS On HarnessRouter Cloud You manage the VPS and Docker yourself. Fully managed. Nothing to maintain. Tasks share one server and can affect each other. Each task runs in its own serverless sandbox. Dependencies live on the server you maintain. Preconfigured environments. Nothing to reinstall when a user sends a new task. Book a demo → https://calendly.com/contact-harnessrouter/30min $5 in credits HELP US IMPROVE ONBOARDING AND GET $5 IN CREDITS 10 Questions 3–4 Minutes $5 In credits Complete our short survey. It helps us understand what you need from HarnessRouter. Take the survey and claim $5 → https://tally.so/r/XxKQ9L?variant=new-32&campaign=first-run-recall-new-32 The credits will be added to the HarnessRouter account associated with this email within 3 business days after you complete the survey. Limit one reward per account. WHAT ARE YOU BUILDING? Reply with your use case, and we’ll help you get your first agent running. Best, Kuanze HarnessRouter GitHub https://github.com/HarnessRouter Discord https://discord.com/invite/nPcbwqVPb2 HarnessRouter · Backed by Y Combinator · harnessrouter.ai https://harnessrouter.ai 1 Sansome St, San Francisco, CA 94104 You are receiving this email because you signed up for HarnessRouter. Unsubscribe https://unsubscribe.resend.com/?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJjb250YWN0SWQiOiJmYjgzZjRiYi02NzA3LTQxNmQtODgwNi1kMTBjM2JjMzBkZjMiLCJhdWRpZW5jZUlkIjoiNzAwODMxNjItZTBlYi00ZDczLWJjMTEtMmIyY2NkOTc1ZmE1IiwiYnJvYWRjYXN0SWQiOiIwNjcxOGI5Mi0xNjlmLTQzOWUtYWZjNC0wZWQxNzRjN2Y4NjkiLCJ0ZWFtSWQiOiJiZjViMTJkMi0zNmU0LTRlNWQtODM1ZS1iZDkyM2FjN2ZkMmQiLCJleHAiOjE4MjMxMTg5MDN9.bGTqYT4yQKjN2nrVMJPECyfdeK5WZqJPAxw2xoh1KBs
- Accession
- nse/harnessrouter/2026-10-09/3741
- From
- HarnessRouter · contact@harnessrouter.ai
- Sent
- 9 October 2026 · 21:00 UTC
