OpenRouter Unified Gateway vs Thinking Machines: Inkling Small (free): Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing OpenRouter Unified Gateway (openrouter/auto) vs Thinking Machines: Inkling Small (free) (thinkingmachines/inkling-small:free). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
OpenRouter Unified Gateway (openrouter/auto) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for OpenRouter Unified Gateway: Activate ephemeral prefix caching to slash input costs by 50% (down to $1/1M) or route via asynchronous Batch API for 50% off standard token rates.
Thinking Machines: Inkling Small (free) (thinkingmachines/inkling-small:free) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Thinking Machines: Inkling Small (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.
In Etuki October 2026 FinOps telemetry comparing OpenRouter Unified Gateway (API ID: openrouter/auto) vs Thinking Machines: Inkling Small (free) (API ID: thinkingmachines/inkling-small:free), Thinking Machines: Inkling Small (free) offers lower standard input pricing at $0/1M tokens ($0/1M output), while Thinking Machines: Inkling Small (free) leads in cached prefix economics at $0/1M tokens (50% discount). OpenRouter Unified Gateway achieves a 20ms faster P90 time-to-first-token latency (260ms vs 280ms).
Enable Prompt Context Caching & Batch API to reduce repeated system prompt input token burn by 50%-97.5%.
Auto-discovered via live global telemetry registry.
| Specification / FinOps Dimension | OpenRouter Unified Gateway | Thinking Machines: Inkling Small (free) | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | openrouter/auto | thinkingmachines/inkling-small:free | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $2 / $10 | $0 / $0 | Thinking Machines: Inkling Small (free) |
| Cache Read Price (per 1M) | $1/1M (50% Off) | $0/1M (50% Off) | Thinking Machines: Inkling Small (free) |
| Context Window / Max Output | 400K In / 128K Out | 1024K In / 256K Out | Thinking Machines: Inkling Small (free) |
| P90 First-Token / Edge Latency | 260ms | 280ms | OpenRouter Unified Gateway (-20ms) |
Single API routing across 400+ live models (GPT-6.1 Sol, Opus 5.5, Gemini 4 Argon) with automatic price arbitrage.
Thinking Machines: Inkling Small (free)
API ID: thinkingmachines/inkling-small:free • Live RegistryInkling Small is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 12B active parameters out of 276B total. It is positioned as the smaller, more
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 OpenRouter Unified Gateway to Thinking Machines: Inkling Small (free)
Inkling Small is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 12B active parameters out of 276B total. It is positioned as the smaller, more Verified P90 latency of 280ms.