ByteDance Ui Tars 72B Dpo vs AI21 Jamba 1.5 Large: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing ByteDance Ui Tars 72B Dpo (bytedance/ui-tars-72b-dpo) vs AI21 Jamba 1.5 Large (ai21/jamba-1.5-large). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
ByteDance Ui Tars 72B Dpo (bytedance/ui-tars-72b-dpo) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for ByteDance Ui Tars 72B Dpo: Activate ephemeral prefix caching to slash input costs by 90% (down to 0.03/1M) or route via asynchronous Batch API for 50% off standard token rates.
AI21 Jamba 1.5 Large (ai21/jamba-1.5-large) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for AI21 Jamba 1.5 Large: Activate ephemeral prefix caching to slash input costs by 90% (down to 0.2/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing ByteDance Ui Tars 72B Dpo (API ID: bytedance/ui-tars-72b-dpo) vs AI21 Jamba 1.5 Large (API ID: ai21/jamba-1.5-large), ByteDance Ui Tars 72B Dpo offers lower standard input pricing at $0.3/1M tokens ($0.9/1M output), while ByteDance Ui Tars 72B Dpo leads in cached prefix economics at $0.03/1M tokens (90% discount). ByteDance Ui Tars 72B Dpo achieves a 0ms faster P90 time-to-first-token latency (195ms vs 195ms).
Gateway-synced rate ($0.3/$0.9 per 1M, flat 64K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
Gateway-synced rate ($2/$8 per 1M, flat 256K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
| Specification / FinOps Dimension | ByteDance Ui Tars 72B Dpo | AI21 Jamba 1.5 Large | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | bytedance/ui-tars-72b-dpo | ai21/jamba-1.5-large | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.3 / $0.9 | $2 / $8 | ByteDance Ui Tars 72B Dpo |
| Cache Read Price (per 1M) | $0.03/1M (90% Off) | $0.2/1M (90% Off) | ByteDance Ui Tars 72B Dpo |
| Context Window / Max Output | 64K In / 64K Out | 256K In / 64K Out | ByteDance Ui Tars 72B Dpo |
| P90 First-Token / Edge Latency | 195ms | 195ms | ByteDance Ui Tars 72B Dpo (-0ms) |
ByteDance Ui Tars 72B Dpo (bytedance/ui-tars-72b-dpo): OpenRouter gateway-synced model at $0.3/1M input, $0.9/1M output, $0.03/1M cached input (64K context window).
AI21 Jamba 1.5 Large (ai21/jamba-1.5-large): OpenRouter gateway-synced model at $2/1M input, $8/1M output, $0.2/1M cached input (256K 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 Ui Tars 72B Dpo to AI21 Jamba 1.5 Large
AI21 Jamba 1.5 Large (ai21/jamba-1.5-large): OpenRouter gateway-synced model at $2/1M input, $8/1M output, $0.2/1M cached input (256K context window). Verified P90 latency of 195ms.