MoonshotAI: Kimi K3 vs xAI: Grok Latest: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing MoonshotAI: Kimi K3 (moonshotai/kimi-k3) vs xAI: Grok Latest (~x-ai/grok-latest). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
MoonshotAI: Kimi K3 (moonshotai/kimi-k3) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for MoonshotAI: Kimi K3: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.225/1M) or route via asynchronous Batch API for 50% off standard token rates.
xAI: Grok Latest (~x-ai/grok-latest) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for xAI: Grok Latest: 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 MoonshotAI: Kimi K3 (API ID: moonshotai/kimi-k3) vs xAI: Grok Latest (API ID: ~x-ai/grok-latest), MoonshotAI: Kimi K3 offers lower standard input pricing at $0.45/1M tokens ($16.5/1M output), while MoonshotAI: Kimi K3 leads in cached prefix economics at $0.225/1M tokens (50% discount). MoonshotAI: Kimi K3 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 | MoonshotAI: Kimi K3 | xAI: Grok Latest | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | moonshotai/kimi-k3 | ~x-ai/grok-latest | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.45 / $16.5 | $2 / $6 | MoonshotAI: Kimi K3 |
| Cache Read Price (per 1M) | $0.225/1M (50% Off) | $1/1M (50% Off) | MoonshotAI: Kimi K3 |
| Context Window / Max Output | 1024K In / 922K Out | 488K In / 439K Out | MoonshotAI: Kimi K3 |
| P90 First-Token / Edge Latency | 280ms | 280ms | MoonshotAI: Kimi K3 (-0ms) |
Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI. It is suited for complex coding, knowledge work, and long-horizon agentic workflows, and is par
This model always redirects to the latest Grok model from xAI.
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 MoonshotAI: Kimi K3 to xAI: Grok Latest
This model always redirects to the latest Grok model from xAI. Verified P90 latency of 280ms.