SpaceXAI: Grok 4.5 vs Thinking Machines: Inkling: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing SpaceXAI: Grok 4.5 (x-ai/grok-4.5) vs Thinking Machines: Inkling (thinkingmachines/inkling). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
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.
Thinking Machines: Inkling (thinkingmachines/inkling) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Thinking Machines: Inkling: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.5/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing SpaceXAI: Grok 4.5 (API ID: x-ai/grok-4.5) vs Thinking Machines: Inkling (API ID: thinkingmachines/inkling), Thinking Machines: Inkling offers lower standard input pricing at $1/1M tokens ($4.05/1M output), while Thinking Machines: Inkling leads in cached prefix economics at $0.5/1M tokens (50% discount). SpaceXAI: Grok 4.5 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 | SpaceXAI: Grok 4.5 | Thinking Machines: Inkling | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | x-ai/grok-4.5 | thinkingmachines/inkling | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $2 / $6 | $1 / $4.05 | Thinking Machines: Inkling |
| Cache Read Price (per 1M) | $1/1M (50% Off) | $0.5/1M (50% Off) | Thinking Machines: Inkling |
| Context Window / Max Output | 488K In / 439K Out | 512K In / 461K Out | Thinking Machines: Inkling |
| P90 First-Token / Edge Latency | 280ms | 280ms | SpaceXAI: Grok 4.5 (-0ms) |
Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
Inkling is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 41B active parameters out of 975B total. It is designed for general-purpose reasoning
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 SpaceXAI: Grok 4.5 to Thinking Machines: Inkling
Inkling is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 41B active parameters out of 975B total. It is designed for general-purpose reasoning Verified P90 latency of 280ms.