Mystery OpenRouter model "Union Alpha" rumored near-frontier, uses Llama 3 tokenizer
peterjliu · x · 2026-09-17
- A mystery model codenamed Union Alpha appeared on OpenRouter, rumored to be "Claude Fable 5.1"-level at over 10x lower cost, with the community hoping it gets open-sourced.
- peterjliu notes it uses the Llama 3 tokenizer, hinting at a Llama-based base model. Identity unconfirmed.
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