NVIDIA: Nemotron 3 Ultra vs Fireworks: Ember-1: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing NVIDIA: Nemotron 3 Ultra (nvidia/nemotron-3-ultra-550b-a55b) vs Fireworks: Ember-1 (fireworks/ember-1). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
NVIDIA: Nemotron 3 Ultra (nvidia/nemotron-3-ultra-550b-a55b) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for NVIDIA: Nemotron 3 Ultra: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.3/1M) or route via asynchronous Batch API for 50% off standard token rates.
Fireworks: Ember-1 (fireworks/ember-1) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Fireworks: Ember-1: Activate ephemeral prefix caching to slash input costs by 50% (down to $1.5/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing NVIDIA: Nemotron 3 Ultra (API ID: nvidia/nemotron-3-ultra-550b-a55b) vs Fireworks: Ember-1 (API ID: fireworks/ember-1), NVIDIA: Nemotron 3 Ultra offers lower standard input pricing at $0.6/1M tokens ($2.4/1M output), while NVIDIA: Nemotron 3 Ultra leads in cached prefix economics at $0.3/1M tokens (50% discount). NVIDIA: Nemotron 3 Ultra 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 | NVIDIA: Nemotron 3 Ultra | Fireworks: Ember-1 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | nvidia/nemotron-3-ultra-550b-a55b | fireworks/ember-1 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.6 / $2.4 | $3 / $15 | NVIDIA: Nemotron 3 Ultra |
| Cache Read Price (per 1M) | $0.3/1M (50% Off) | $1.5/1M (50% Off) | NVIDIA: Nemotron 3 Ultra |
| Context Window / Max Output | 256K In / 178K Out | 1024K In / 922K Out | Fireworks: Ember-1 |
| P90 First-Token / Edge Latency | 280ms | 280ms | NVIDIA: Nemotron 3 Ultra (-0ms) |
NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba m
Ember-1 is a specialized reasoning model from Fireworks Research, built on [Kimi K3](https://openrouter.ai/moonshotai/kimi-k3). It is designed to make every token go further: it pr
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 NVIDIA: Nemotron 3 Ultra to Fireworks: Ember-1
Ember-1 is a specialized reasoning model from Fireworks Research, built on [Kimi K3](https://openrouter.ai/moonshotai/kimi-k3). It is designed to make every token go further: it pr Verified P90 latency of 280ms.