Upstage: Solar Pro 3 vs Perceptron: Perceptron Mk1.5: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Upstage: Solar Pro 3 (upstage/solar-pro-3) vs Perceptron: Perceptron Mk1.5 (perceptron/perceptron-mk1.5). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Upstage: Solar Pro 3 (upstage/solar-pro-3) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Upstage: Solar Pro 3: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.075/1M) or route via asynchronous Batch API for 50% off standard token rates.
Perceptron: Perceptron Mk1.5 (perceptron/perceptron-mk1.5) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Perceptron: Perceptron Mk1.5: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.075/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Upstage: Solar Pro 3 (API ID: upstage/solar-pro-3) vs Perceptron: Perceptron Mk1.5 (API ID: perceptron/perceptron-mk1.5), Upstage: Solar Pro 3 offers lower standard input pricing at $0.15/1M tokens ($0.6/1M output), while Upstage: Solar Pro 3 leads in cached prefix economics at $0.075/1M tokens (50% discount). Upstage: Solar Pro 3 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 | Upstage: Solar Pro 3 | Perceptron: Perceptron Mk1.5 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | upstage/solar-pro-3 | perceptron/perceptron-mk1.5 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.15 / $0.6 | $0.15 / $1.5 | Upstage: Solar Pro 3 |
| Cache Read Price (per 1M) | $0.075/1M (50% Off) | $0.075/1M (50% Off) | Upstage: Solar Pro 3 |
| Context Window / Max Output | 128K In / 115K Out | 36K In / 8K Out | Upstage: Solar Pro 3 |
| P90 First-Token / Edge Latency | 280ms | 280ms | Upstage: Solar Pro 3 (-0ms) |
Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model. With 102B total parameters and 12B active parameters per forward pass, it delivers exceptional performanc
Perceptron Mk1.5 is Perceptron's embodied reasoning model for physical agents. It accepts text, image, video, and audio input, and answers with text plus optional structured annota
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 Upstage: Solar Pro 3 to Perceptron: Perceptron Mk1.5
Perceptron Mk1.5 is Perceptron's embodied reasoning model for physical agents. It accepts text, image, video, and audio input, and answers with text plus optional structured annota Verified P90 latency of 280ms.