Tencent: Hy3 vs Upstage: Solar Mini 4: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Tencent: Hy3 (tencent/hy3) vs Upstage: Solar Mini 4 (upstage/solar-mini4). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Tencent: Hy3 (tencent/hy3) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Tencent: Hy3: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.066/1M) or route via asynchronous Batch API for 50% off standard token rates.
Upstage: Solar Mini 4 (upstage/solar-mini4) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Upstage: Solar Mini 4: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.025/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Tencent: Hy3 (API ID: tencent/hy3) vs Upstage: Solar Mini 4 (API ID: upstage/solar-mini4), Upstage: Solar Mini 4 offers lower standard input pricing at $0.05/1M tokens ($0.2/1M output), while Upstage: Solar Mini 4 leads in cached prefix economics at $0.025/1M tokens (50% discount). Tencent: Hy3 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 | Tencent: Hy3 | Upstage: Solar Mini 4 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | tencent/hy3 | upstage/solar-mini4 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.132 / $0.528 | $0.05 / $0.2 | Upstage: Solar Mini 4 |
| Cache Read Price (per 1M) | $0.066/1M (50% Off) | $0.025/1M (50% Off) | Upstage: Solar Mini 4 |
| Context Window / Max Output | 256K In / 125K Out | 512K In / 128K Out | Upstage: Solar Mini 4 |
| P90 First-Token / Edge Latency | 280ms | 280ms | Tencent: Hy3 (-0ms) |
Hy3 is a 295B-parameter Mixture-of-Experts model from Tencent (21B active, 192 experts with top-8 routing) built for reasoning, agentic workflows, and real-world production use. It
Solar Mini 4 is Upstage's compact, cost-efficient language model, a 35B-parameter mixture-of-experts with 3B active parameters and a 524K context window. It is built for agentic us
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 Tencent: Hy3 to Upstage: Solar Mini 4
Solar Mini 4 is Upstage's compact, cost-efficient language model, a 35B-parameter mixture-of-experts with 3B active parameters and a 524K context window. It is built for agentic us Verified P90 latency of 280ms.