Reflection: Beam 1.0 501B A23B vs Z.ai: GLM Flash Latest: Live Promos, Pricing, Hidden Fees & Latency
Reflection: Beam 1.0 501B A23B (reflection/beam-1.0-501b-a23b) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Reflection: Beam 1.0 501B A23B: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.5/1M) or route via asynchronous Batch API for 50% off standard token rates.
Z.ai: GLM Flash Latest (~z-ai/glm-flash-latest) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Z.ai: GLM Flash Latest: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.024/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Reflection: Beam 1.0 501B A23B (API ID: reflection/beam-1.0-501b-a23b) vs Z.ai: GLM Flash Latest (API ID: ~z-ai/glm-flash-latest), Z.ai: GLM Flash Latest offers lower standard input pricing at $0.048/1M tokens ($0.2/1M output), while Z.ai: GLM Flash Latest leads in cached prefix economics at $0.024/1M tokens (50% discount). Reflection: Beam 1.0 501B A23B achieves a 0ms faster P90 time-to-first-token latency (280ms vs 280ms).
Auto-discovered via live global telemetry registry.
Auto-discovered via live global telemetry registry.
| Specification / FinOps Dimension | Reflection: Beam 1.0 501B A23B | Z.ai: GLM Flash Latest | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | reflection/beam-1.0-501b-a23b | ~z-ai/glm-flash-latest | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $1 / $3 | $0.048 / $0.2 | Z.ai: GLM Flash Latest |
| Cache Read Price (per 1M) | $0.5/1M (50% Off) | $0.024/1M (50% Off) | Z.ai: GLM Flash Latest |
| Context Window / Max Output | 1024K In / 922K Out | 1024K In / 922K Out | Reflection: Beam 1.0 501B A23B |
| P90 First-Token / Edge Latency | 280ms | 280ms | Reflection: Beam 1.0 501B A23B (-0ms) |
Beam 1.0 is Reflection's open-weight reasoning model for coding and long-horizon agentic workflows. It uses a sparse mixture-of-experts architecture with 501B total and 23B active
This model always redirects to the latest model in the GLM Flash family.
Real-Time Stack Cost & Hidden-Fee Simulator (MAU / Token / Egress / GMV)
Calibrated with Reddit r/FinOps & r/devops telemetry: Includes Context Caching, Bandwidth Egress, and MoR Tax
🛰️Switch from Reflection: Beam 1.0 501B A23B to Z.ai: GLM Flash Latest
This model always redirects to the latest model in the GLM Flash family. Verified P90 latency of 280ms.