OpenAI: GPT-4 Turbo vs OpenAI: GPT-5.2 Chat: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing OpenAI: GPT-4 Turbo (openai/gpt-4-turbo) vs OpenAI: GPT-5.2 Chat (openai/gpt-5.2-chat). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
OpenAI: GPT-4 Turbo (openai/gpt-4-turbo) 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-5.2 Chat (openai/gpt-5.2-chat) 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-4 Turbo (API ID: openai/gpt-4-turbo) vs OpenAI: GPT-5.2 Chat (API ID: openai/gpt-5.2-chat), OpenAI: GPT-5.2 Chat offers lower standard input pricing at $1.75/1M tokens ($14/1M output), while OpenAI: GPT-5.2 Chat leads in cached prefix economics at $0.875/1M tokens (50% discount). OpenAI: GPT-4 Turbo 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: GPT-4 Turbo | OpenAI: GPT-5.2 Chat | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | openai/gpt-4-turbo | openai/gpt-5.2-chat | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $10 / $30 | $1.75 / $14 | OpenAI: GPT-5.2 Chat |
| Cache Read Price (per 1M) | $5/1M (50% Off) | $0.875/1M (50% Off) | OpenAI: GPT-5.2 Chat |
| Context Window / Max Output | 125K In / 4K Out | 125K In / 31K Out | OpenAI: GPT-5.2 Chat |
| P90 First-Token / Edge Latency | 280ms | 280ms | OpenAI: GPT-4 Turbo (-0ms) |
The latest GPT-4 Turbo model with vision capabilities. Vision requests can now use JSON mode and function calling. Training data: up to December 2023.
GPT-5.2 Chat (AKA Instant) is the fast, lightweight member of the 5.2 family, optimized for low-latency chat while retaining strong general intelligence. It uses adaptive reasoning
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 to OpenAI: GPT-5.2 Chat
GPT-5.2 Chat (AKA Instant) is the fast, lightweight member of the 5.2 family, optimized for low-latency chat while retaining strong general intelligence. It uses adaptive reasoning Verified P90 latency of 280ms.