MiniMax: MiniMax M3.1 Flash (free) vs OpenAI: GPT Sol Latest: Live Promos, Pricing, Hidden Fees & Latency
MiniMax: MiniMax M3.1 Flash (free) (minimax/minimax-m3.1-flash:free) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for MiniMax: MiniMax M3.1 Flash (free): Activate ephemeral prefix caching to slash input costs by 50% (down to 0/1M) or route via asynchronous Batch API for 50% off standard token rates.
OpenAI: GPT Sol Latest (~openai/gpt-sol-latest) 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).
In Etuki October 2026 FinOps telemetry comparing MiniMax: MiniMax M3.1 Flash (free) (API ID: minimax/minimax-m3.1-flash:free) vs OpenAI: GPT Sol Latest (API ID: ~openai/gpt-sol-latest), MiniMax: MiniMax M3.1 Flash (free) offers lower standard input pricing at $0/1M tokens ($0/1M output), while MiniMax: MiniMax M3.1 Flash (free) leads in cached prefix economics at $0/1M tokens (50% discount). MiniMax: MiniMax M3.1 Flash (free) 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 | MiniMax: MiniMax M3.1 Flash (free) | OpenAI: GPT Sol Latest | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | minimax/minimax-m3.1-flash:free | ~openai/gpt-sol-latest | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0 / $0 | $2 / $10 | MiniMax: MiniMax M3.1 Flash (free) |
| Cache Read Price (per 1M) | $0/1M (50% Off) | $0.2/1M (50% Off) | MiniMax: MiniMax M3.1 Flash (free) |
| Context Window / Max Output | 977K In / 512K Out | 1025K In / 125K Out | MiniMax: MiniMax M3.1 Flash (free) |
| P90 First-Token / Edge Latency | 280ms | 280ms | MiniMax: MiniMax M3.1 Flash (free) (-0ms) |
MiniMax-M3.1-Flash is a multimodal model from MiniMax. Compared with M3, it delivers significant improvements across multiple benchmarks, particularly in complex agentic tasks, cod
This model always redirects to the latest model in the GPT Sol family.
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 MiniMax: MiniMax M3.1 Flash (free) to OpenAI: GPT Sol Latest
This model always redirects to the latest model in the GPT Sol family. Verified P90 latency of 280ms.