DeepSeek: DeepSeek V3 0324 vs OpenAI: GPT-5: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing DeepSeek: DeepSeek V3 0324 (deepseek/deepseek-chat-v3-0324) vs OpenAI: GPT-5 (openai/gpt-5). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
DeepSeek: DeepSeek V3 0324 (deepseek/deepseek-chat-v3-0324) — Automatic Disk KV Cache ($0.145/1M) & 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-5 (openai/gpt-5) 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: DeepSeek V3 0324 (API ID: deepseek/deepseek-chat-v3-0324) vs OpenAI: GPT-5 (API ID: openai/gpt-5), DeepSeek: DeepSeek V3 0324 offers lower standard input pricing at $0.29/1M tokens ($1.14/1M output), while DeepSeek: DeepSeek V3 0324 leads in cached prefix economics at $0.145/1M tokens (50% discount). DeepSeek: DeepSeek V3 0324 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 | DeepSeek: DeepSeek V3 0324 | OpenAI: GPT-5 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | deepseek/deepseek-chat-v3-0324 | openai/gpt-5 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.29 / $1.14 | $1.25 / $10 | DeepSeek: DeepSeek V3 0324 |
| Cache Read Price (per 1M) | $0.145/1M (50% Off) | $0.625/1M (50% Off) | DeepSeek: DeepSeek V3 0324 |
| Context Window / Max Output | 160K In / 113K Out | 391K In / 125K Out | OpenAI: GPT-5 |
| P90 First-Token / Edge Latency | 280ms | 280ms | DeepSeek: DeepSeek V3 0324 (-0ms) |
DeepSeek V3, a 685B-parameter, mixture-of-experts model, is the latest iteration of the flagship chat model family from the DeepSeek team. It succeeds the [DeepSeek V3](/deepseek/d
GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reas
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: DeepSeek V3 0324 to OpenAI: GPT-5
GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reas Verified P90 latency of 280ms.