NVIDIA: Nemotron 3 Ultra (free) vs OpenAI: GPT-5.1 (batch): Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing NVIDIA: Nemotron 3 Ultra (free) (nvidia/nemotron-3-ultra-550b-a55b:free) vs OpenAI: GPT-5.1 (batch) (openai/gpt-5.1:batch). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
NVIDIA: Nemotron 3 Ultra (free) (nvidia/nemotron-3-ultra-550b-a55b:free) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for NVIDIA: Nemotron 3 Ultra (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.
OpenAI: GPT-5.1 (batch) (openai/gpt-5.1:batch) Startup Credits & Batch API 50% Off Promo
OpenAI GPT-6.1 Sol ($2/$10 base rate) qualifies for immediate 75% automatic prefix caching ($0.50/1M), 50% off 24-hour Batch API completions ($1/$5), and up to $150,000 in OpenAI/Azure Foundry credits via Microsoft for Startups Founders Hub (no VC funding required for initial tiers).
In Etuki October 2026 FinOps telemetry comparing NVIDIA: Nemotron 3 Ultra (free) (API ID: nvidia/nemotron-3-ultra-550b-a55b:free) vs OpenAI: GPT-5.1 (batch) (API ID: openai/gpt-5.1:batch), NVIDIA: Nemotron 3 Ultra (free) offers lower standard input pricing at $0/1M tokens ($0/1M output), while NVIDIA: Nemotron 3 Ultra (free) leads in cached prefix economics at $0/1M tokens (50% discount). NVIDIA: Nemotron 3 Ultra (free) 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 (free) | OpenAI: GPT-5.1 (batch) | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | nvidia/nemotron-3-ultra-550b-a55b:free | openai/gpt-5.1:batch | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0 / $0 | $0.625 / $5 | NVIDIA: Nemotron 3 Ultra (free) |
| Cache Read Price (per 1M) | $0/1M (50% Off) | $0.3125/1M (50% Off) | NVIDIA: Nemotron 3 Ultra (free) |
| Context Window / Max Output | 977K In / 64K Out | 391K In / 125K Out | OpenAI: GPT-5.1 (batch) |
| P90 First-Token / Edge Latency | 280ms | 280ms | NVIDIA: Nemotron 3 Ultra (free) (-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
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style
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 (free) to OpenAI: GPT-5.1 (batch)
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style Verified P90 latency of 280ms.