BTC Burger
Real-time crypto purchasing power calculator
What it does
BTC Burger is a real-time crypto converter that shows what real-world items you can buy with Bitcoin, Ethereum, Solana and other cryptocurrencies. Instead of converting crypto to USD, BTC Burger translates its value into burgers, coffee, Teslas, gold, oil and more — similar to the Big Mac Index, but for crypto. It’s a fun and visual way to understand crypto purchasing power in real time.
Does the same job
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Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…
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