LG EXAONE Exaone 3.5 7.8B Instruct vs Alibaba Qwen 3.8 Flash: Live Promos, Pricing, Hidden Fees & Latency
LG EXAONE Exaone 3.5 7.8B Instruct (lgai-exaone/exaone-3.5-7.8b-instruct) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for LG EXAONE Exaone 3.5 7.8B Instruct: 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.
Alibaba Qwen 3.8 Flash (qwen3.8-flash) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Alibaba Qwen 3.8 Flash: Activate ephemeral prefix caching to slash input costs by 80% (down to 0.0225/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing LG EXAONE Exaone 3.5 7.8B Instruct (API ID: lgai-exaone/exaone-3.5-7.8b-instruct) vs Alibaba Qwen 3.8 Flash (API ID: qwen3.8-flash), LG EXAONE Exaone 3.5 7.8B Instruct offers lower standard input pricing at $0.04/1M tokens ($0.12/1M output), while LG EXAONE Exaone 3.5 7.8B Instruct leads in cached prefix economics at $0.004/1M tokens (90% discount). Alibaba Qwen 3.8 Flash achieves a 60ms faster P90 time-to-first-token latency (135ms vs 195ms).
Gateway-synced rate ($0.04/$0.12 per 1M, flat 128K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
Enable Prompt Context Caching & Batch API to reduce repeated system prompt input token burn by 50%-97.5%.
| Specification / FinOps Dimension | LG EXAONE Exaone 3.5 7.8B Instruct | Alibaba Qwen 3.8 Flash | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | lgai-exaone/exaone-3.5-7.8b-instruct | qwen3.8-flash | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.04 / $0.12 | $0.1124 / $0.3792 | LG EXAONE Exaone 3.5 7.8B Instruct |
| Cache Read Price (per 1M) | $0.004/1M (90% Off) | $0.0225/1M (80% Off) | LG EXAONE Exaone 3.5 7.8B Instruct |
| Context Window / Max Output | 128K In / 64K Out | 1000K In / 128K Out | Alibaba Qwen 3.8 Flash |
| P90 First-Token / Edge Latency | 195ms | 135ms | Alibaba Qwen 3.8 Flash (-60ms) |
LG EXAONE Exaone 3.5 7.8B Instruct (lgai-exaone/exaone-3.5-7.8b-instruct): OpenRouter gateway-synced model at $0.04/1M input, $0.12/1M output, $0.004/1M cached input (128K context window).
Alibaba Bailian 0-1M flat context window model (CNY 0.80/2.70 = $0.1124/$0.3792 USD @ FX 7.12, $0.0225 cache read, 0% batch discount).
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 LG EXAONE Exaone 3.5 7.8B Instruct to Alibaba Qwen 3.8 Flash
Alibaba Bailian 0-1M flat context window model (CNY 0.80/2.70 = $0.1124/$0.3792 USD @ FX 7.12, $0.0225 cache read, 0% batch discount). Verified P90 latency of 135ms.