Aneirin

Cut your Claude Code & Copilot token bill, losslessly

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Cut your Claude Code & Copilot token bill, losslessly

10 followers

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Productivity

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Engineering & Development

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LLMs

Claude Code and GitHub Copilot resend your whole conversation every turn, including pages of the model's own old "thinking" and context repeated word-for-word. You're billed for all of it. Aneirin is a local proxy that strips the redundant, re-billed tokens before the request leaves your machine, losslessly: the model still gets everything it needs, your answers are identical, your bill drops. 100% local, zero telemetry, your prompts never leave. Free up to 5M optimized tokens a day, no account.

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Launch tags:Productivity•Developer Tools•Artificial Intelligence

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Wispr Flow: Dictation That Works EverywhereStop typing. Start speaking. 4x faster.

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Hey Product Hunt 👋 We're Corbenic, and we build with Claude Code and Copilot all day. Watching the token bill climb, we noticed something: agentic tools resend the entire conversation every turn, including pages of the model's own old "thinking" it never needs again, plus context repeated byte-for-byte. You pay for all of it, every single turn. So we built Aneirin: a small local proxy that strips that redundant, re-billed context before the request ever leaves your machine. It's lossless. The model receives everything it needs, your answers don't change, you just stop paying twice for the same tokens. On our own machines it's removed 650M+ tokens so far, and a typical optimized request comes out about 17% smaller. Two things mattered most to us. First, it runs 100% locally with no phone-home, so your prompts and code never leave your computer (no telemetry, and the licence even checks offline). Second, it's genuinely free to use: the full optimizer runs free up to 5 million optimized tokens a day, no account needed. Pro just removes the daily cap. We'd love your feedback, especially edge cases where you'd want it to behave differently. Happy to answer anything about how the lossless part actually works.

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2mo ago

💎 Pixel perfection

the "lossless" guarantee is what sold me. so many token-saving tools feel like a black box where you're just hoping the model still gets it, but the promise that answers stay identical while only the billing leaks is the right thing to optimize for.

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2mo ago