LiquidAI: LFM2.5-2.6B (free) vs OpenAI GPT-5.6 Terra: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing LiquidAI: LFM2.5-2.6B (free) (liquid/lfm-2.5-2.6b:free) vs OpenAI GPT-5.6 Terra (gpt-5.6-terra). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
LiquidAI: LFM2.5-2.6B (free) (liquid/lfm-2.5-2.6b:free) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for LiquidAI: LFM2.5-2.6B (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-5.6 Terra (gpt-5.6-terra) 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).
In Etuki October 2026 FinOps telemetry comparing LiquidAI: LFM2.5-2.6B (free) (API ID: liquid/lfm-2.5-2.6b:free) vs OpenAI GPT-5.6 Terra (API ID: gpt-5.6-terra), LiquidAI: LFM2.5-2.6B (free) offers lower standard input pricing at $0/1M tokens ($0/1M output), while LiquidAI: LFM2.5-2.6B (free) leads in cached prefix economics at $0/1M tokens (50% discount). LiquidAI: LFM2.5-2.6B (free) achieves a 10ms faster P90 time-to-first-token latency (280ms vs 290ms).
Auto-discovered via live global telemetry registry.
Enable Prompt Context Caching & Batch API to reduce repeated system prompt input token burn by 50%-97.5%.
| Specification / FinOps Dimension | LiquidAI: LFM2.5-2.6B (free) | OpenAI GPT-5.6 Terra | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | liquid/lfm-2.5-2.6b:free | gpt-5.6-terra | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0 / $0 | $2 / $12 | LiquidAI: LFM2.5-2.6B (free) |
| Cache Read Price (per 1M) | $0/1M (50% Off) | $1/1M (50% Off) | LiquidAI: LFM2.5-2.6B (free) |
| Context Window / Max Output | 64K In / 8K Out | 400K In / 128K Out | OpenAI GPT-5.6 Terra |
| P90 First-Token / Edge Latency | 280ms | 290ms | LiquidAI: LFM2.5-2.6B (free) (-10ms) |
LFM2.5-2.6B is a compact reasoning model from Liquid AI. It is suited for agent workflows, data extraction, RAG, and long-context processing. Liquid advises against using it for ag
Balanced enterprise general-purpose model in the GPT-5.6 family with 1M context window.
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 LiquidAI: LFM2.5-2.6B (free) to OpenAI GPT-5.6 Terra
Balanced enterprise general-purpose model in the GPT-5.6 family with 1M context window. Verified P90 latency of 290ms.