OpenAI: GPT-5.1-Codex-Mini vs MiniMax: MiniMax M2.5: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing OpenAI: GPT-5.1-Codex-Mini (openai/gpt-5.1-codex-mini) vs MiniMax: MiniMax M2.5 (minimax/minimax-m2.5). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
OpenAI: GPT-5.1-Codex-Mini (openai/gpt-5.1-codex-mini) 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).
MiniMax: MiniMax M2.5 (minimax/minimax-m2.5) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for MiniMax: MiniMax M2.5: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.135/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing OpenAI: GPT-5.1-Codex-Mini (API ID: openai/gpt-5.1-codex-mini) vs MiniMax: MiniMax M2.5 (API ID: minimax/minimax-m2.5), OpenAI: GPT-5.1-Codex-Mini offers lower standard input pricing at $0.25/1M tokens ($2/1M output), while OpenAI: GPT-5.1-Codex-Mini leads in cached prefix economics at $0.125/1M tokens (50% discount). OpenAI: GPT-5.1-Codex-Mini 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-5.1-Codex-Mini | MiniMax: MiniMax M2.5 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | openai/gpt-5.1-codex-mini | minimax/minimax-m2.5 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.25 / $2 | $0.27 / $0.95 | OpenAI: GPT-5.1-Codex-Mini |
| Cache Read Price (per 1M) | $0.125/1M (50% Off) | $0.135/1M (50% Off) | OpenAI: GPT-5.1-Codex-Mini |
| Context Window / Max Output | 391K In / 125K Out | 200K In / 32K Out | OpenAI: GPT-5.1-Codex-Mini |
| P90 First-Token / Edge Latency | 280ms | 280ms | OpenAI: GPT-5.1-Codex-Mini (-0ms) |
GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
MiniMax-M2.5 is a SOTA large language model designed for real-world productivity. Trained in a diverse range of complex real-world digital working environments, M2.5 builds upon th
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-5.1-Codex-Mini to MiniMax: MiniMax M2.5
MiniMax-M2.5 is a SOTA large language model designed for real-world productivity. Trained in a diverse range of complex real-world digital working environments, M2.5 builds upon th Verified P90 latency of 280ms.