Reflection: Beam 1.0 501B A23B vs OpenAI GPT-5.5: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Reflection: Beam 1.0 501B A23B (reflection/beam-1.0-501b-a23b) vs OpenAI GPT-5.5 (gpt-5.5). Simulate cache read multipliers, context cliffs, MAU bills, and P90 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.
OpenAI GPT-5.5 (gpt-5.5) Startup Credits & Batch API 50% Off Promo
OpenAI GPT-6.1 Sol ($2/$10 base rate) qualifies for immediate 75% automatic prefix caching ($0.50/1M), 50% off 24-hour Batch API completions ($1/$5), and up to $150,000 in OpenAI/Azure Foundry credits via Microsoft for Startups Founders Hub (no VC funding required for initial tiers).
In Etuki October 2026 FinOps telemetry comparing Reflection: Beam 1.0 501B A23B (API ID: reflection/beam-1.0-501b-a23b) vs OpenAI GPT-5.5 (API ID: gpt-5.5), Reflection: Beam 1.0 501B A23B offers lower standard input pricing at $1/1M tokens ($3/1M output), while Reflection: Beam 1.0 501B A23B leads in cached prefix economics at $0.5/1M tokens (50% discount). Reflection: Beam 1.0 501B A23B achieves a 40ms faster P90 time-to-first-token latency (280ms vs 320ms).
Auto-discovered via live global telemetry registry.
Enable Prompt Context Caching & Batch API to reduce repeated system prompt input token burn by 50%-97.5%.
| Specification / FinOps Dimension | Reflection: Beam 1.0 501B A23B | OpenAI GPT-5.5 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | reflection/beam-1.0-501b-a23b | gpt-5.5 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $1 / $3 | $5 / $30 | Reflection: Beam 1.0 501B A23B |
| Cache Read Price (per 1M) | $0.5/1M (50% Off) | $2.5/1M (50% Off) | Reflection: Beam 1.0 501B A23B |
| Context Window / Max Output | 1024K In / 922K Out | 1000K In / 128K Out | Reflection: Beam 1.0 501B A23B |
| P90 First-Token / Edge Latency | 280ms | 320ms | Reflection: Beam 1.0 501B A23B (-40ms) |
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
Flagship GPT-5 series general model with configurable reasoning_effort from none to xhigh.
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 OpenAI GPT-5.5
Flagship GPT-5 series general model with configurable reasoning_effort from none to xhigh. Verified P90 latency of 320ms.