AionLabs: Aion 3.5 vs SpaceXAI: Grok 4.5: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing AionLabs: Aion 3.5 (aion-labs/aion-3.5) vs SpaceXAI: Grok 4.5 (x-ai/grok-4.5). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
AionLabs: Aion 3.5 (aion-labs/aion-3.5) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for AionLabs: Aion 3.5: Activate ephemeral prefix caching to slash input costs by 50% (down to $1.5/1M) 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 AionLabs: Aion 3.5 (API ID: aion-labs/aion-3.5) vs SpaceXAI: Grok 4.5 (API ID: x-ai/grok-4.5), SpaceXAI: Grok 4.5 offers lower standard input pricing at $2/1M tokens ($6/1M output), while SpaceXAI: Grok 4.5 leads in cached prefix economics at $1/1M tokens (50% discount). AionLabs: Aion 3.5 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 | AionLabs: Aion 3.5 | SpaceXAI: Grok 4.5 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | aion-labs/aion-3.5 | x-ai/grok-4.5 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $3 / $6 | $2 / $6 | SpaceXAI: Grok 4.5 |
| Cache Read Price (per 1M) | $1.5/1M (50% Off) | $1/1M (50% Off) | SpaceXAI: Grok 4.5 |
| Context Window / Max Output | 256K In / 32K Out | 488K In / 439K Out | SpaceXAI: Grok 4.5 |
| P90 First-Token / Edge Latency | 280ms | 280ms | AionLabs: Aion 3.5 (-0ms) |
Aion 3.5 is a multi-model roleplaying and storytelling system from AionLabs, built on the GLM family of models. It uses a collaborative generation process in which multiple special
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 AionLabs: Aion 3.5 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.