Reflection AI releases Beam’s open weights (Apache 2.0) with FP8/NVFP4 checkpoints, a DFlash2 drafter and Mirror CLI
Reflection @reflection_aiX
Why it matters
Official announcement that the promised Beam weights are out (~301k views).
Summary
Posted Oct 16 13:01 UTC by Reflection (@reflection_ai); 301,377 views, 851 likes, 185 reposts when read via api.fxtwitter.com on 2026-10-17.
Archived text
Beam is now available across platforms, with open weights under the Apache 2.0 license - in collaboration with an ecosystem of 40+ partners.
We’re releasing:
- Weights, tokenizer, and reference implementation
- BF16, FP8 and NVFP4 weights and a DFlash2 drafter
- The open source harness we built and trained Beam on: Mirror CLI
Weights and model card on Hugging Face: https://huggingface.co/reflection
