OpenAI: GPT-5.4 Nano (batch) vs DeepSeek: DeepSeek V4.1 Flash (batch): Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing OpenAI: GPT-5.4 Nano (batch) (openai/gpt-5.4-nano:batch) vs DeepSeek: DeepSeek V4.1 Flash (batch) (deepseek/deepseek-v4.1-flash:batch). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
OpenAI: GPT-5.4 Nano (batch) (openai/gpt-5.4-nano: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).
DeepSeek: DeepSeek V4.1 Flash (batch) (deepseek/deepseek-v4.1-flash:batch) — Automatic Disk KV Cache ($0.056/1M) & Off-Peak Promo
DeepSeek-V4 Pro (1.6T MoE) automatically caches repeated 64-token prompt prefixes on NVMe storage at $0.07/1M input tokens (50% off $0.14 base) with zero code changes required, plus off-peak UTC scheduling discounts.
In Etuki October 2026 FinOps telemetry comparing OpenAI: GPT-5.4 Nano (batch) (API ID: openai/gpt-5.4-nano:batch) vs DeepSeek: DeepSeek V4.1 Flash (batch) (API ID: deepseek/deepseek-v4.1-flash:batch), OpenAI: GPT-5.4 Nano (batch) offers lower standard input pricing at $0.1/1M tokens ($0.625/1M output), while OpenAI: GPT-5.4 Nano (batch) leads in cached prefix economics at $0.05/1M tokens (50% discount). OpenAI: GPT-5.4 Nano (batch) achieves a 0ms faster P90 time-to-first-token latency (280ms vs 280ms).
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Auto-discovered via live global telemetry registry.
| Specification / FinOps Dimension | OpenAI: GPT-5.4 Nano (batch) | DeepSeek: DeepSeek V4.1 Flash (batch) | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | openai/gpt-5.4-nano:batch | deepseek/deepseek-v4.1-flash:batch | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.1 / $0.625 | $0.112 / $0.336 | OpenAI: GPT-5.4 Nano (batch) |
| Cache Read Price (per 1M) | $0.05/1M (50% Off) | $0.056/1M (50% Off) | OpenAI: GPT-5.4 Nano (batch) |
| Context Window / Max Output | 391K In / 125K Out | 1024K In / 128K Out | DeepSeek: DeepSeek V4.1 Flash (batch) |
| P90 First-Token / Edge Latency | 280ms | 280ms | OpenAI: GPT-5.4 Nano (batch) (-0ms) |
GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is
DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters o
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 OpenAI: GPT-5.4 Nano (batch) to DeepSeek: DeepSeek V4.1 Flash (batch)
DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters o Verified P90 latency of 280ms.