Free Models Router vs Mistral: Devstral 2 2512: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Free Models Router (openrouter/free) vs Mistral: Devstral 2 2512 (mistralai/devstral-2512). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Free Models Router (openrouter/free) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Free Models Router: 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.
Mistral: Devstral 2 2512 (mistralai/devstral-2512) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Mistral: Devstral 2 2512: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.2/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Free Models Router (API ID: openrouter/free) vs Mistral: Devstral 2 2512 (API ID: mistralai/devstral-2512), Free Models Router offers lower standard input pricing at $0/1M tokens ($0/1M output), while Free Models Router leads in cached prefix economics at $0/1M tokens (50% discount). Free Models Router 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 | Free Models Router | Mistral: Devstral 2 2512 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | openrouter/free | mistralai/devstral-2512 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0 / $0 | $0.4 / $2 | Free Models Router |
| Cache Read Price (per 1M) | $0/1M (50% Off) | $0.2/1M (50% Off) | Free Models Router |
| Context Window / Max Output | 195K In / 64K Out | 256K In / 205K Out | Mistral: Devstral 2 2512 |
| P90 First-Token / Edge Latency | 280ms | 280ms | Free Models Router (-0ms) |
The simplest way to get free inference. openrouter/free is a router that selects free models at random from the models available on OpenRouter. The router smartly filters for model
Devstral 2 is a state-of-the-art open-source model by Mistral AI specializing in agentic coding. It is a 123B-parameter dense transformer model supporting a 256K context window. De
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 Free Models Router to Mistral: Devstral 2 2512
Devstral 2 is a state-of-the-art open-source model by Mistral AI specializing in agentic coding. It is a 123B-parameter dense transformer model supporting a 256K context window. De Verified P90 latency of 280ms.