OpenAI: o3 vs DeepSeek: DeepSeek Flash Latest: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing OpenAI: o3 (openai/o3) vs DeepSeek: DeepSeek Flash Latest (~deepseek/deepseek-flash-latest). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
OpenAI: o3 (openai/o3) 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 Flash Latest (~deepseek/deepseek-flash-latest) — Automatic Disk KV Cache ($0.0119/1M) & 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: o3 (API ID: openai/o3) vs DeepSeek: DeepSeek Flash Latest (API ID: ~deepseek/deepseek-flash-latest), DeepSeek: DeepSeek Flash Latest offers lower standard input pricing at $0.0238/1M tokens ($0.72/1M output), while DeepSeek: DeepSeek Flash Latest leads in cached prefix economics at $0.0119/1M tokens (50% discount). OpenAI: o3 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 | OpenAI: o3 | DeepSeek: DeepSeek Flash Latest | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | openai/o3 | ~deepseek/deepseek-flash-latest | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $2 / $8 | $0.0238 / $0.72 | DeepSeek: DeepSeek Flash Latest |
| Cache Read Price (per 1M) | $1/1M (50% Off) | $0.0119/1M (50% Off) | DeepSeek: DeepSeek Flash Latest |
| Context Window / Max Output | 195K In / 98K Out | 1024K In / 922K Out | DeepSeek: DeepSeek Flash Latest |
| P90 First-Token / Edge Latency | 280ms | 280ms | OpenAI: o3 (-0ms) |
o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instru
This model always redirects to the latest model in the DeepSeek Flash family.
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: o3 to DeepSeek: DeepSeek Flash Latest
This model always redirects to the latest model in the DeepSeek Flash family. Verified P90 latency of 280ms.