Qwen: Qwen3.8 27B vs Moondream: Moondream 3 Preview: Live Promos, Pricing, Hidden Fees & Latency
Qwen: Qwen3.8 27B (qwen/qwen3.8-27b) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Qwen: Qwen3.8 27B: Activate ephemeral prefix caching to slash input costs by 50% (down to 0.02/1M) or route via asynchronous Batch API for 50% off standard token rates.
Moondream: Moondream 3 Preview (moondream/moondream3-preview) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Moondream: Moondream 3 Preview: Activate ephemeral prefix caching to slash input costs by 50% (down to 0.15/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Qwen: Qwen3.8 27B (API ID: qwen/qwen3.8-27b) vs Moondream: Moondream 3 Preview (API ID: moondream/moondream3-preview), Qwen: Qwen3.8 27B offers lower standard input pricing at $0.04/1M tokens ($1.35/1M output), while Qwen: Qwen3.8 27B leads in cached prefix economics at $0.02/1M tokens (50% discount). Qwen: Qwen3.8 27B 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 | Qwen: Qwen3.8 27B | Moondream: Moondream 3 Preview | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | qwen/qwen3.8-27b | moondream/moondream3-preview | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.04 / $1.35 | $0.3 / $2.5 | Qwen: Qwen3.8 27B |
| Cache Read Price (per 1M) | $0.02/1M (50% Off) | $0.15/1M (50% Off) | Qwen: Qwen3.8 27B |
| Context Window / Max Output | 977K In / 64K Out | 31K In / 4K Out | Qwen: Qwen3.8 27B |
| P90 First-Token / Edge Latency | 280ms | 280ms | Qwen: Qwen3.8 27B (-0ms) |
Qwen3.8 27B is an open-weight dense vision-language model from Qwen. It is suited for coding, professional workflows, research, multimodal interaction, and long-running agent tasks
Moondream 3 Preview is a vision-language model from Moondream with 9B total parameters and 2B active (mixture-of-experts). It handles visual question answering, captioning, OCR, an
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 Qwen: Qwen3.8 27B to Moondream: Moondream 3 Preview
Moondream 3 Preview is a vision-language model from Moondream with 9B total parameters and 2B active (mixture-of-experts). It handles visual question answering, captioning, OCR, an Verified P90 latency of 280ms.