OpenAI Gpt 4 Turbo Preview vs DeepSeek Deepseek Chat: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing OpenAI Gpt 4 Turbo Preview (openai/gpt-4-turbo-preview) vs DeepSeek Deepseek Chat (deepseek/deepseek-chat). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
OpenAI Gpt 4 Turbo Preview (openai/gpt-4-turbo-preview) Startup Credits & Batch API 50% Off Promo
OpenAI GPT-6.1 Sol ($2/$10 base rate) qualifies for immediate 95% automatic prefix caching ($0.10/1M), 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 Chat (deepseek/deepseek-chat) — Automatic Disk KV Cache (0.0257/1M) & Off-Peak Promo
DeepSeek-V4 Pro (1.6T MoE) automatically caches repeated 64-token prompt prefixes on NVMe storage at $0.022/1M off-peak input tokens (vs $0.66 off-peak base) with zero code changes required, plus off-peak UTC scheduling discounts.
In Etuki October 2026 FinOps telemetry comparing OpenAI Gpt 4 Turbo Preview (API ID: openai/gpt-4-turbo-preview) vs DeepSeek Deepseek Chat (API ID: deepseek/deepseek-chat), DeepSeek Deepseek Chat offers lower standard input pricing at $0.2574/1M tokens ($1.0287/1M output), while DeepSeek Deepseek Chat leads in cached prefix economics at $0.0257/1M tokens (90% discount). OpenAI Gpt 4 Turbo Preview achieves a 0ms faster P90 time-to-first-token latency (195ms vs 195ms).
Gateway-synced rate ($10/$30 per 1M, flat 128K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
Gateway-synced rate ($0.2574/$1.0287 per 1M, flat 164K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
| Specification / FinOps Dimension | OpenAI Gpt 4 Turbo Preview | DeepSeek Deepseek Chat | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | openai/gpt-4-turbo-preview | deepseek/deepseek-chat | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $10 / $30 | $0.2574 / $1.0287 | DeepSeek Deepseek Chat |
| Cache Read Price (per 1M) | $1/1M (90% Off) | $0.0257/1M (90% Off) | DeepSeek Deepseek Chat |
| Context Window / Max Output | 128K In / 64K Out | 164K In / 64K Out | OpenAI Gpt 4 Turbo Preview |
| P90 First-Token / Edge Latency | 195ms | 195ms | OpenAI Gpt 4 Turbo Preview (-0ms) |
OpenAI Gpt 4 Turbo Preview (openai/gpt-4-turbo-preview): OpenRouter gateway-synced model at $10/1M input, $30/1M output, $1/1M cached input (128K context window).
DeepSeek Deepseek Chat (deepseek/deepseek-chat): OpenRouter gateway-synced model at $0.2574/1M input, $1.0287/1M output, $0.0257/1M cached input (164K context window).
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 4 Turbo Preview to DeepSeek Deepseek Chat
DeepSeek Deepseek Chat (deepseek/deepseek-chat): OpenRouter gateway-synced model at $0.2574/1M input, $1.0287/1M output, $0.0257/1M cached input (164K context window). Verified P90 latency of 195ms.