Openrouter Verified Endpoint 556 vs 01.AI Yi Large: Live Promos, Pricing, Hidden Fees & Latency
Openrouter Verified Endpoint 556 (openrouter-verified-endpoint-556) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Openrouter Verified Endpoint 556: Activate ephemeral prefix caching to slash input costs by 95% (down to 0.2/1M) or route via asynchronous Batch API for 50% off standard token rates.
01.AI Yi Large (01-ai/yi-large) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for 01.AI Yi Large: Activate ephemeral prefix caching to slash input costs by 90% (down to 0.08/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Openrouter Verified Endpoint 556 (API ID: openrouter-verified-endpoint-556) vs 01.AI Yi Large (API ID: 01-ai/yi-large), Openrouter Verified Endpoint 556 offers lower standard input pricing at $0.8/1M tokens ($3.2/1M output), while 01.AI Yi Large leads in cached prefix economics at $0.08/1M tokens (90% discount). Openrouter Verified Endpoint 556 achieves a 0ms faster P90 time-to-first-token latency (145ms vs 145ms).
Route high-volume requests through Prompt Caching (75% off) and asynchronous Batch API (50% off) to prevent token burn spikes.
⚠️ 272K Context Cliff: Standard $2.00/$10.00 (Cache $0.10) applies up to ≤272K tokens. Prompts exceeding >272K tokens jump to $4.00 input / $15.00 output per 1M tokens.
| Specification / FinOps Dimension | Openrouter Verified Endpoint 556 | 01.AI Yi Large | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | openrouter-verified-endpoint-556 | 01-ai/yi-large | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.8 / $3.2 | $0.8 / $0.8 | Openrouter Verified Endpoint 556 |
| Cache Read Price (per 1M) | $0.2/1M (95% Off) | $0.08/1M (90% Off) | 01.AI Yi Large |
| Context Window / Max Output | 1050K In / 128K Out | 1050K In / 128K Out | Openrouter Verified Endpoint 556 |
| P90 First-Token / Edge Latency | 145ms | 145ms | Openrouter Verified Endpoint 556 (-0ms) |
Openrouter Verified Endpoint 556 production API endpoint verified by Etuki FinOps Telemetry with automated prefix caching and multi-region fallback routing.
OpenAI Sep 29, 2026 flagship reasoning & coding model (superseding GPT-6 Sol) with $2/$10 base pricing and $0.10/1M (95% off) official cached input.
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 Verified Endpoint 556 to 01.AI Yi Large
OpenAI Sep 29, 2026 flagship reasoning & coding model (superseding GPT-6 Sol) with $2/$10 base pricing and $0.10/1M (95% off) official cached input. Verified P90 latency of 145ms.