ByteDance Doubao 1.5 Lite 32K vs ByteDance Ui Tars 7B Dpo: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing ByteDance Doubao 1.5 Lite 32K (bytedance/doubao-1.5-lite-32k) vs ByteDance Ui Tars 7B Dpo (bytedance/ui-tars-7b-dpo). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
ByteDance Doubao 1.5 Lite 32K (bytedance/doubao-1.5-lite-32k) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for ByteDance Doubao 1.5 Lite 32K: Activate ephemeral prefix caching to slash input costs by 90% (down to 0.004/1M) or route via asynchronous Batch API for 50% off standard token rates.
ByteDance Ui Tars 7B Dpo (bytedance/ui-tars-7b-dpo) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for ByteDance Ui Tars 7B Dpo: Activate ephemeral prefix caching to slash input costs by 90% (down to 0.005/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing ByteDance Doubao 1.5 Lite 32K (API ID: bytedance/doubao-1.5-lite-32k) vs ByteDance Ui Tars 7B Dpo (API ID: bytedance/ui-tars-7b-dpo), ByteDance Doubao 1.5 Lite 32K offers lower standard input pricing at $0.04/1M tokens ($0.08/1M output), while ByteDance Doubao 1.5 Lite 32K leads in cached prefix economics at $0.004/1M tokens (90% discount). ByteDance Doubao 1.5 Lite 32K achieves a 0ms faster P90 time-to-first-token latency (195ms vs 195ms).
Gateway-synced rate ($0.04/$0.08 per 1M, flat 32K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
Gateway-synced rate ($0.05/$0.15 per 1M, flat 64K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
| Specification / FinOps Dimension | ByteDance Doubao 1.5 Lite 32K | ByteDance Ui Tars 7B Dpo | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | bytedance/doubao-1.5-lite-32k | bytedance/ui-tars-7b-dpo | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.04 / $0.08 | $0.05 / $0.15 | ByteDance Doubao 1.5 Lite 32K |
| Cache Read Price (per 1M) | $0.004/1M (90% Off) | $0.005/1M (90% Off) | ByteDance Doubao 1.5 Lite 32K |
| Context Window / Max Output | 32K In / 64K Out | 64K In / 64K Out | ByteDance Doubao 1.5 Lite 32K |
| P90 First-Token / Edge Latency | 195ms | 195ms | ByteDance Doubao 1.5 Lite 32K (-0ms) |
ByteDance Doubao 1.5 Lite 32K (bytedance/doubao-1.5-lite-32k): OpenRouter gateway-synced model at $0.04/1M input, $0.08/1M output, $0.004/1M cached input (32K context window).
ByteDance Ui Tars 7B Dpo (bytedance/ui-tars-7b-dpo): OpenRouter gateway-synced model at $0.05/1M input, $0.15/1M output, $0.005/1M cached input (64K context window).
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 Doubao 1.5 Lite 32K to ByteDance Ui Tars 7B Dpo
ByteDance Ui Tars 7B Dpo (bytedance/ui-tars-7b-dpo): OpenRouter gateway-synced model at $0.05/1M input, $0.15/1M output, $0.005/1M cached input (64K context window). Verified P90 latency of 195ms.