Meta: Muse Spark 1.2 Contributor vs SpaceXAI: Grok 4.6: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Meta: Muse Spark 1.2 Contributor (meta/muse-spark-1.2-contributor) vs SpaceXAI: Grok 4.6 (x-ai/grok-4.6). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Meta: Muse Spark 1.2 Contributor (meta/muse-spark-1.2-contributor) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Meta: Muse Spark 1.2 Contributor: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.05/1M) or route via asynchronous Batch API for 50% off standard token rates.
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.
In Etuki October 2026 FinOps telemetry comparing Meta: Muse Spark 1.2 Contributor (API ID: meta/muse-spark-1.2-contributor) vs SpaceXAI: Grok 4.6 (API ID: x-ai/grok-4.6), Meta: Muse Spark 1.2 Contributor offers lower standard input pricing at $0.1/1M tokens ($0.2/1M output), while Meta: Muse Spark 1.2 Contributor leads in cached prefix economics at $0.05/1M tokens (50% discount). Meta: Muse Spark 1.2 Contributor 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 | Meta: Muse Spark 1.2 Contributor | SpaceXAI: Grok 4.6 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | meta/muse-spark-1.2-contributor | x-ai/grok-4.6 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.1 / $0.2 | $2 / $6 | Meta: Muse Spark 1.2 Contributor |
| Cache Read Price (per 1M) | $0.05/1M (50% Off) | $1/1M (50% Off) | Meta: Muse Spark 1.2 Contributor |
| Context Window / Max Output | 1024K In / 922K Out | 488K In / 439K Out | Meta: Muse Spark 1.2 Contributor |
| P90 First-Token / Edge Latency | 280ms | 280ms | Meta: Muse Spark 1.2 Contributor (-0ms) |
Muse Spark 1.2 contributor tier is a reasoning model from Meta designed for developers who want to start building at an even lower cost. It’s meaningfully cheaper than Muse Spark..
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).
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 Meta: Muse Spark 1.2 Contributor to SpaceXAI: Grok 4.6
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). Verified P90 latency of 280ms.