Qwen: Qwen3.8 Max (0902) vs SpaceXAI: Grok 4.5: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Qwen: Qwen3.8 Max (0902) (qwen/qwen3.8-max-0902) vs SpaceXAI: Grok 4.5 (x-ai/grok-4.5). 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.
SpaceXAI: Grok 4.5 (x-ai/grok-4.5) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for SpaceXAI: Grok 4.5: 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 SpaceXAI: Grok 4.5 (API ID: x-ai/grok-4.5), 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). Qwen: Qwen3.8 Max (0902) 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 | Qwen: Qwen3.8 Max (0902) | SpaceXAI: Grok 4.5 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | qwen/qwen3.8-max-0902 | x-ai/grok-4.5 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $2 / $6 | $2 / $6 | 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 | 488K In / 439K Out | SpaceXAI: Grok 4.5 |
| P90 First-Token / Edge Latency | 280ms | 280ms | Qwen: Qwen3.8 Max (0902) (-0ms) |
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
Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
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 SpaceXAI: Grok 4.5
Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM. Verified P90 latency of 280ms.