SpaceXAI: Grok 4.6 vs NVIDIA: Nemotron 3 Super (free): Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing SpaceXAI: Grok 4.6 (x-ai/grok-4.6) vs NVIDIA: Nemotron 3 Super (free) (nvidia/nemotron-3-super-120b-a12b:free). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
SpaceXAI: Grok 4.6 (x-ai/grok-4.6) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for SpaceXAI: Grok 4.6: 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.
NVIDIA: Nemotron 3 Super (free) (nvidia/nemotron-3-super-120b-a12b:free) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for NVIDIA: Nemotron 3 Super (free): Activate ephemeral prefix caching to slash input costs by 50% (down to $0/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing SpaceXAI: Grok 4.6 (API ID: x-ai/grok-4.6) vs NVIDIA: Nemotron 3 Super (free) (API ID: nvidia/nemotron-3-super-120b-a12b:free), NVIDIA: Nemotron 3 Super (free) offers lower standard input pricing at $0/1M tokens ($0/1M output), while NVIDIA: Nemotron 3 Super (free) leads in cached prefix economics at $0/1M tokens (50% discount). SpaceXAI: Grok 4.6 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 4.6 | NVIDIA: Nemotron 3 Super (free) | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | x-ai/grok-4.6 | nvidia/nemotron-3-super-120b-a12b:free | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $2 / $6 | $0 / $0 | NVIDIA: Nemotron 3 Super (free) |
| Cache Read Price (per 1M) | $1/1M (50% Off) | $0/1M (50% Off) | NVIDIA: Nemotron 3 Super (free) |
| Context Window / Max Output | 488K In / 439K Out | 256K In / 230K Out | SpaceXAI: Grok 4.6 |
| P90 First-Token / Edge Latency | 280ms | 280ms | SpaceXAI: Grok 4.6 (-0ms) |
Grok 4.6 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM. It is succeeded by [Grok 4.7](/x-ai/grok-4.7).
NVIDIA Nemotron 3 Super is a 120B-parameter open hybrid MoE model, activating just 12B parameters for maximum compute efficiency and accuracy in complex multi-agent applications. B
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 4.6 to NVIDIA: Nemotron 3 Super (free)
NVIDIA Nemotron 3 Super is a 120B-parameter open hybrid MoE model, activating just 12B parameters for maximum compute efficiency and accuracy in complex multi-agent applications. B Verified P90 latency of 280ms.