OpenAI: GPT-5.5 Pro vs OpenAI GPT-5.6 Cyber: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing OpenAI: GPT-5.5 Pro (openai/gpt-5.5-pro) vs OpenAI GPT-5.6 Cyber (gpt-5.6-cyber). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
OpenAI: GPT-5.5 Pro (openai/gpt-5.5-pro) 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).
OpenAI GPT-5.6 Cyber (gpt-5.6-cyber) 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 OpenAI: GPT-5.5 Pro (API ID: openai/gpt-5.5-pro) vs OpenAI GPT-5.6 Cyber (API ID: gpt-5.6-cyber), OpenAI GPT-5.6 Cyber offers lower standard input pricing at $12.5/1M tokens ($75/1M output), while OpenAI GPT-5.6 Cyber leads in cached prefix economics at $6.25/1M tokens (50% discount). OpenAI: GPT-5.5 Pro achieves a 130ms faster P90 time-to-first-token latency (280ms vs 410ms).
Auto-discovered via live global telemetry registry.
Enable Prompt Context Caching & Batch API to reduce repeated system prompt input token burn by 50%-97.5%.
| Specification / FinOps Dimension | OpenAI: GPT-5.5 Pro | OpenAI GPT-5.6 Cyber | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | openai/gpt-5.5-pro | gpt-5.6-cyber | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $30 / $180 | $12.5 / $75 | OpenAI GPT-5.6 Cyber |
| Cache Read Price (per 1M) | $15/1M (50% Off) | $6.25/1M (50% Off) | OpenAI GPT-5.6 Cyber |
| Context Window / Max Output | 1025K In / 125K Out | 400K In / 128K Out | OpenAI GPT-5.6 Cyber |
| P90 First-Token / Edge Latency | 280ms | 410ms | OpenAI: GPT-5.5 Pro (-130ms) |
GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K
Specialized offensive/defensive cybersecurity and zero-day vulnerability auditing model.
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-5.5 Pro to OpenAI GPT-5.6 Cyber
Specialized offensive/defensive cybersecurity and zero-day vulnerability auditing model. Verified P90 latency of 410ms.