Qwen: Qwen3.8 Max (0902) vs xAI Grok 4.3: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Qwen: Qwen3.8 Max (0902) (qwen/qwen3.8-max-0902) vs xAI Grok 4.3 (grok-4.3). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Qwen: Qwen3.8 Max (0902) (qwen/qwen3.8-max-0902) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Qwen: Qwen3.8 Max (0902): Activate ephemeral prefix caching to slash input costs by 50% (down to $1/1M) or route via asynchronous Batch API for 50% off standard token rates.
xAI Grok 4.3 (grok-4.3) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for xAI Grok 4.3: Activate ephemeral prefix caching to slash input costs by 50% (down to $1/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Qwen: Qwen3.8 Max (0902) (API ID: qwen/qwen3.8-max-0902) vs xAI Grok 4.3 (API ID: grok-4.3), Qwen: Qwen3.8 Max (0902) offers lower standard input pricing at $2/1M tokens ($6/1M output), while Qwen: Qwen3.8 Max (0902) leads in cached prefix economics at $1/1M tokens (50% discount). xAI Grok 4.3 achieves a 100ms faster P90 time-to-first-token latency (180ms vs 280ms).
Auto-discovered via live global telemetry registry.
Enable Prompt Context Caching & Batch API to reduce repeated system prompt input token burn by 50%-97.5%.
| Specification / FinOps Dimension | Qwen: Qwen3.8 Max (0902) | xAI Grok 4.3 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | qwen/qwen3.8-max-0902 | grok-4.3 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $2 / $6 | $2 / $10 | Qwen: Qwen3.8 Max (0902) |
| Cache Read Price (per 1M) | $1/1M (50% Off) | $1/1M (50% Off) | Qwen: Qwen3.8 Max (0902) |
| Context Window / Max Output | 977K In / 128K Out | 512K In / 128K Out | Qwen: Qwen3.8 Max (0902) |
| P90 First-Token / Edge Latency | 280ms | 180ms | xAI Grok 4.3 (-100ms) |
Qwen3.8 Max 0902 is an updated snapshot of Qwen3.8 Max from Alibaba's Qwen team. It is a 2.4-trillion-parameter mixture-of-experts model that accepts text, image, and video input a
xAI October 2026 frontier reasoning model with live X/Web grounding and sub-200ms latency.
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 Max (0902) to xAI Grok 4.3
xAI October 2026 frontier reasoning model with live X/Web grounding and sub-200ms latency. Verified P90 latency of 180ms.