Google Gemini 2.5 Pro Batch vs Meta: Muse Spark Open: Live Promos, Pricing, Hidden Fees & Latency
Google Gemini 2.5 Pro Batch (google/gemini-2.5-pro-batch) — Google AI Startup Credits ($350K) & 95% Cache Promo
Google DeepMind is currently subsidizing Gemini 4 Argon at 50% off standard rates ($2.00/1M input & $10.00/1M output instead of $4/$20) until November 30, 2026, alongside 95% off Context Caching ($0.10/1M) and up to $350,000 in Google for Startups Cloud/Vertex AI credits.
Meta: Muse Spark Open (meta/muse-spark-open) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Meta: Muse Spark Open: Activate ephemeral prefix caching to slash input costs by 50% (down to 0.625/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Google Gemini 2.5 Pro Batch (API ID: google/gemini-2.5-pro-batch) vs Meta: Muse Spark Open (API ID: meta/muse-spark-open), Google Gemini 2.5 Pro Batch offers lower standard input pricing at $1/1M tokens ($5/1M output), while Google Gemini 2.5 Pro Batch leads in cached prefix economics at $0.25/1M tokens (95% discount). Google Gemini 2.5 Pro Batch achieves a 135ms faster P90 time-to-first-token latency (145ms vs 280ms).
Prompts exceeding 200K tokens incur 2x tier pricing unless pinned via Google AI Studio Context Caching (75% off).
Auto-discovered via live global telemetry registry.
| Specification / FinOps Dimension | Google Gemini 2.5 Pro Batch | Meta: Muse Spark Open | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | google/gemini-2.5-pro-batch | meta/muse-spark-open | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $1 / $5 | $1.25 / $4.25 | Google Gemini 2.5 Pro Batch |
| Cache Read Price (per 1M) | $0.25/1M (95% Off) | $0.625/1M (50% Off) | Google Gemini 2.5 Pro Batch |
| Context Window / Max Output | 1050K In / 128K Out | 1024K In / 922K Out | Meta: Muse Spark Open |
| P90 First-Token / Edge Latency | 145ms | 280ms | Google Gemini 2.5 Pro Batch (-135ms) |
Google Gemini 2.5 Pro Batch is Google DeepMind's native multimodal frontier model supporting up to 2M context tokens and implicit context caching.
Muse Spark Open is a coding-optimized open-weight model. Trained specifically for agentic coding workflows, it delivers higher first-attempt accuracy, reliable tool calling, and de
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 Google Gemini 2.5 Pro Batch to Meta: Muse Spark Open
Muse Spark Open is a coding-optimized open-weight model. Trained specifically for agentic coding workflows, it delivers higher first-attempt accuracy, reliable tool calling, and de Verified P90 latency of 280ms.