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.
More from Models
- Google open-sources EmbeddingGemma 2: on-device multimodal search across photos, audio, docs — bigaiguy · 2026-11-02
- Anthropic's server-side rule reignites the case for owning open models over renting AI — alex_verem · 2026-11-02
- Epoch AI: open-weight GLM 5.3 exploited the patch gap to hack 6 Firefox releases at ~$1,000 each — rohanpaul_ai · 2026-11-02
- SemiAnalysis: safety classifiers sandbag scores of Opus 5.5 and GPT-6 Astra — morqon · 2026-11-02
- Liquid AI's 1.7B LFM3 becomes first local model to nail live fixtures lookup on a MacBook — NielsRogge · 2026-11-02
- Claude upgrade-page traffic rebounded to 17.6M in September, near May's 18.6M peak — firstadopter · 2026-11-02