DeepSeek V4 1 Flash 1017 vs OpenAI GPT Oss 120B Batch: Live Promos, Pricing, Hidden Fees & Latency
DeepSeek V4 1 Flash 1017 (deepseek/deepseek-v4.1-flash-1017) — Automatic Disk KV Cache ($0.014/1M) & 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.
OpenAI GPT Oss 120B Batch (openai-gpt-oss-120b-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 DeepSeek V4 1 Flash 1017 (API ID: deepseek/deepseek-v4.1-flash-1017) vs OpenAI GPT Oss 120B Batch (API ID: openai-gpt-oss-120b-batch), DeepSeek V4 1 Flash 1017 offers lower standard input pricing at $0.14/1M tokens ($0.28/1M output), while DeepSeek V4 1 Flash 1017 leads in cached prefix economics at $0.014/1M tokens (75% discount). DeepSeek V4 1 Flash 1017 achieves a 0ms faster P90 time-to-first-token latency (270ms vs 270ms).
Automatic disk-KV caching cuts repeated prompt input costs by 90% ($0.014/1M) with zero manual configuration.
Route high-volume requests through Prompt Caching (75% off) and asynchronous Batch API (50% off) to prevent token burn spikes.
| Specification / FinOps Dimension | DeepSeek V4 1 Flash 1017 | OpenAI GPT Oss 120B Batch | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | deepseek/deepseek-v4.1-flash-1017 | openai-gpt-oss-120b-batch | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.14 / $0.28 | $0.8 / $3.2 | DeepSeek V4 1 Flash 1017 |
| Cache Read Price (per 1M) | $0.014/1M (75% Off) | $0.2/1M (75% Off) | DeepSeek V4 1 Flash 1017 |
| Context Window / Max Output | 1000K In / 128K Out | 1000K In / 128K Out | DeepSeek V4 1 Flash 1017 |
| P90 First-Token / Edge Latency | 270ms | 270ms | DeepSeek V4 1 Flash 1017 (-0ms) |
DeepSeek V4 1 Flash 1017 delivers frontier MoE coding and reasoning performance with automatic on-disk KV prefix caching (90% input discount).
OpenAI GPT Oss 120B Batch production API endpoint verified by Etuki FinOps Telemetry with automated prefix caching and multi-region fallback routing.
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 DeepSeek V4 1 Flash 1017 to OpenAI GPT Oss 120B Batch
OpenAI GPT Oss 120B Batch production API endpoint verified by Etuki FinOps Telemetry with automated prefix caching and multi-region fallback routing. Verified P90 latency of 270ms.