DeepSeek: DeepSeek V4.1 Flash vs OpenAI GPT-6.1 Sol: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing DeepSeek: DeepSeek V4.1 Flash (deepseek/deepseek-v4.1-flash) vs OpenAI GPT-6.1 Sol (gpt-6.1-sol). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
DeepSeek: DeepSeek V4.1 Flash (deepseek/deepseek-v4.1-flash) — Automatic Disk KV Cache ($0.0069/1M) & 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 & Microsoft Founders Hub ($2,500–$150,000 Credits) + 50% Batch API Discount
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 V4.1 Flash (API ID: deepseek/deepseek-v4.1-flash) vs OpenAI GPT-6.1 Sol (API ID: gpt-6.1-sol), DeepSeek: DeepSeek V4.1 Flash offers lower standard input pricing at $0.0137/1M tokens ($0.891/1M output), while DeepSeek: DeepSeek V4.1 Flash leads in cached prefix economics at $0.0069/1M tokens (50% discount). OpenAI GPT-6.1 Sol achieves a 10ms faster P90 time-to-first-token latency (270ms vs 280ms).
Auto-discovered via live global telemetry registry.
Context Cliff Alert: Prompts exceeding 272K tokens double in price from $2/$10 to $4/$15 per 1M tokens.
| Specification / FinOps Dimension | DeepSeek: DeepSeek V4.1 Flash | OpenAI GPT-6.1 Sol | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | deepseek/deepseek-v4.1-flash | gpt-6.1-sol | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.0137 / $0.891 | $2 / $10 | DeepSeek: DeepSeek V4.1 Flash |
| Cache Read Price (per 1M) | $0.0069/1M (50% Off) | $0.5/1M (75% Off) | DeepSeek: DeepSeek V4.1 Flash |
| Context Window / Max Output | 1024K In / 922K Out | 1000K In / 128K Out | DeepSeek: DeepSeek V4.1 Flash |
| P90 First-Token / Edge Latency | 280ms | 270ms | OpenAI GPT-6.1 Sol (-10ms) |
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
OpenAI October 2026 flagship reasoning & coding model delivering near-Astra intelligence at 1/5th the cost.
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 V4.1 Flash to OpenAI GPT-6.1 Sol
OpenAI October 2026 flagship reasoning & coding model delivering near-Astra intelligence at 1/5th the cost. Verified P90 latency of 270ms.