ByteDance: UI-TARS 7B vs Moondream: Moondream 3 Preview: Live Promos, Pricing, Hidden Fees & Latency
ByteDance: UI-TARS 7B (bytedance/ui-tars-1.5-7b) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for ByteDance: UI-TARS 7B : Activate ephemeral prefix caching to slash input costs by 50% (down to 0.05/1M) 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 ByteDance: UI-TARS 7B (API ID: bytedance/ui-tars-1.5-7b) vs Moondream: Moondream 3 Preview (API ID: moondream/moondream3-preview), ByteDance: UI-TARS 7B offers lower standard input pricing at $0.1/1M tokens ($0.2/1M output), while ByteDance: UI-TARS 7B leads in cached prefix economics at $0.05/1M tokens (50% discount). ByteDance: UI-TARS 7B 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 | ByteDance: UI-TARS 7B | Moondream: Moondream 3 Preview | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | bytedance/ui-tars-1.5-7b | moondream/moondream3-preview | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.1 / $0.2 | $0.3 / $2.5 | ByteDance: UI-TARS 7B |
| Cache Read Price (per 1M) | $0.05/1M (50% Off) | $0.15/1M (50% Off) | ByteDance: UI-TARS 7B |
| Context Window / Max Output | 125K In / 2K Out | 31K In / 4K Out | Moondream: Moondream 3 Preview |
| P90 First-Token / Edge Latency | 280ms | 280ms | ByteDance: UI-TARS 7B (-0ms) |
UI-TARS-1.5 is a multimodal vision-language agent optimized for GUI-based environments, including desktop interfaces, web browsers, mobile systems, and games. Built by ByteDance, i
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 ByteDance: UI-TARS 7B 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.