Tencent: Hy4 preview vs OpenAI: GPT Audio: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Tencent: Hy4 preview (tencent/hy4-preview) vs OpenAI: GPT Audio (openai/gpt-audio). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Tencent: Hy4 preview (tencent/hy4-preview) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Tencent: Hy4 preview: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.417/1M) or route via asynchronous Batch API for 50% off standard token rates.
OpenAI: GPT Audio (openai/gpt-audio) 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 Tencent: Hy4 preview (API ID: tencent/hy4-preview) vs OpenAI: GPT Audio (API ID: openai/gpt-audio), Tencent: Hy4 preview offers lower standard input pricing at $0.834/1M tokens ($2.501/1M output), while Tencent: Hy4 preview leads in cached prefix economics at $0.417/1M tokens (50% discount). Tencent: Hy4 preview 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: Hy4 preview | OpenAI: GPT Audio | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | tencent/hy4-preview | openai/gpt-audio | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.834 / $2.501 | $2.5 / $10 | Tencent: Hy4 preview |
| Cache Read Price (per 1M) | $0.417/1M (50% Off) | $1.25/1M (50% Off) | Tencent: Hy4 preview |
| Context Window / Max Output | 1024K In / 63K Out | 125K In / 16K Out | Tencent: Hy4 preview |
| P90 First-Token / Edge Latency | 280ms | 280ms | Tencent: Hy4 preview (-0ms) |
Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and pro
The gpt-audio model is OpenAI's first generally available audio model. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice con
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: Hy4 preview to OpenAI: GPT Audio
The gpt-audio model is OpenAI's first generally available audio model. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice con Verified P90 latency of 280ms.