DeepSeek-R1 (Reasoner) vs Thinking Machines: Inkling (free): Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing DeepSeek-R1 (Reasoner) (deepseek-reasoner) vs Thinking Machines: Inkling (free) (thinkingmachines/inkling:free). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
DeepSeek-R1 (Reasoner) (deepseek-reasoner) — Automatic Disk KV Cache ($0.275/1M) & Off-Peak Promo
DeepSeek-V4 Pro (1.6T MoE) automatically caches repeated 64-token prompt prefixes on NVMe storage at $0.07/1M input tokens (50% off $0.14 base) with zero code changes required, plus off-peak UTC scheduling discounts.
Thinking Machines: Inkling (free) (thinkingmachines/inkling:free) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Thinking Machines: Inkling (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 DeepSeek-R1 (Reasoner) (API ID: deepseek-reasoner) vs Thinking Machines: Inkling (free) (API ID: thinkingmachines/inkling:free), Thinking Machines: Inkling (free) offers lower standard input pricing at $0/1M tokens ($0/1M output), while Thinking Machines: Inkling (free) leads in cached prefix economics at $0/1M tokens (50% discount). Thinking Machines: Inkling (free) achieves a 260ms faster P90 time-to-first-token latency (280ms vs 540ms).
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 | DeepSeek-R1 (Reasoner) | Thinking Machines: Inkling (free) | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | deepseek-reasoner | thinkingmachines/inkling:free | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.55 / $2.19 | $0 / $0 | Thinking Machines: Inkling (free) |
| Cache Read Price (per 1M) | $0.275/1M (50% Off) | $0/1M (50% Off) | Thinking Machines: Inkling (free) |
| Context Window / Max Output | 400K In / 128K Out | 1024K In / 256K Out | Thinking Machines: Inkling (free) |
| P90 First-Token / Edge Latency | 540ms | 280ms | Thinking Machines: Inkling (free) (-260ms) |
Open-weight reinforcement-learning reasoning model for formal math, finance, and theorem synthesis.
Inkling is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 41B active parameters out of 975B total. It is designed for general-purpose 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 DeepSeek-R1 (Reasoner) to Thinking Machines: Inkling (free)
Inkling is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 41B active parameters out of 975B total. It is designed for general-purpose reasoning Verified P90 latency of 280ms.