Reflection releases Beam’s 501B-parameter model weights under Apache 2.0 in BF16, FP8 and NVFP4, alongside its open-source Mirror CLI coding harness.

Reflection’s official Mirror CLI demo showing Beam-1.0-501B-A23B and an extension-approval prompt; still frame from its release demonstration.

Published 16 Oct 2026 · 13:33 UTC

Reflection ↗ · Source dated 16 Oct 2026

Reflection releases Beam’s 501B-parameter model weights under Apache 2.0 in BF16, FP8 and NVFP4, alongside its open-source Mirror CLI coding harness. · ournews.ai