DeepSeek: DeepSeek V3.1 Terminus vs Meituan: LongCat 2.0: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing DeepSeek: DeepSeek V3.1 Terminus (deepseek/deepseek-v3.1-terminus) vs Meituan: LongCat 2.0 (meituan/longcat-2.0). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
DeepSeek: DeepSeek V3.1 Terminus (deepseek/deepseek-v3.1-terminus) — Automatic Disk KV Cache ($0.135/1M) & 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.
Meituan: LongCat 2.0 (meituan/longcat-2.0) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Meituan: LongCat 2.0: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.15/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing DeepSeek: DeepSeek V3.1 Terminus (API ID: deepseek/deepseek-v3.1-terminus) vs Meituan: LongCat 2.0 (API ID: meituan/longcat-2.0), DeepSeek: DeepSeek V3.1 Terminus offers lower standard input pricing at $0.27/1M tokens ($1/1M output), while DeepSeek: DeepSeek V3.1 Terminus leads in cached prefix economics at $0.135/1M tokens (50% discount). DeepSeek: DeepSeek V3.1 Terminus 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 | DeepSeek: DeepSeek V3.1 Terminus | Meituan: LongCat 2.0 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | deepseek/deepseek-v3.1-terminus | meituan/longcat-2.0 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.27 / $1 | $0.3 / $1.2 | DeepSeek: DeepSeek V3.1 Terminus |
| Cache Read Price (per 1M) | $0.135/1M (50% Off) | $0.15/1M (50% Off) | DeepSeek: DeepSeek V3.1 Terminus |
| Context Window / Max Output | 160K In / 144K Out | 1024K In / 256K Out | Meituan: LongCat 2.0 |
| P90 First-Token / Edge Latency | 280ms | 280ms | DeepSeek: DeepSeek V3.1 Terminus (-0ms) |
DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-v3.1) that maintains the model's original capabilities while addressing issues reported by users, inc
LongCat 2.0 is a sparse mixture-of-experts language model from Meituan, with 48B active parameters out of 1.6T total. It is suited for coding, repository-level changes, long-horizo
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: DeepSeek V3.1 Terminus to Meituan: LongCat 2.0
LongCat 2.0 is a sparse mixture-of-experts language model from Meituan, with 48B active parameters out of 1.6T total. It is suited for coding, repository-level changes, long-horizo Verified P90 latency of 280ms.