WizardLM-2 8x22B vs SpaceXAI: Grok 4.5: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing WizardLM-2 8x22B (microsoft/wizardlm-2-8x22b) vs SpaceXAI: Grok 4.5 (x-ai/grok-4.5). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
WizardLM-2 8x22B (microsoft/wizardlm-2-8x22b) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for WizardLM-2 8x22B: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.31/1M) 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 WizardLM-2 8x22B (API ID: microsoft/wizardlm-2-8x22b) vs SpaceXAI: Grok 4.5 (API ID: x-ai/grok-4.5), WizardLM-2 8x22B offers lower standard input pricing at $0.62/1M tokens ($0.62/1M output), while WizardLM-2 8x22B leads in cached prefix economics at $0.31/1M tokens (50% discount). WizardLM-2 8x22B 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 | WizardLM-2 8x22B | SpaceXAI: Grok 4.5 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | microsoft/wizardlm-2-8x22b | x-ai/grok-4.5 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.62 / $0.62 | $2 / $6 | WizardLM-2 8x22B |
| Cache Read Price (per 1M) | $0.31/1M (50% Off) | $1/1M (50% Off) | WizardLM-2 8x22B |
| Context Window / Max Output | 64K In / 8K Out | 488K In / 439K Out | SpaceXAI: Grok 4.5 |
| P90 First-Token / Edge Latency | 280ms | 280ms | WizardLM-2 8x22B (-0ms) |
WizardLM-2 8x22B is Microsoft AI's most advanced Wizard model. It demonstrates highly competitive performance compared to leading proprietary models, and it consistently outperform
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 WizardLM-2 8x22B 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.