# Inception: Mercury 3

`inception/mercury-3` — **openrouter** · CHAT

> Inception: Mercury 3 (inception/mercury-3) is a chat model from openrouter with a 1M-token context window; proprietary (API-only); capabilities tools, reasoning; input text; output text.

| Field | Value |
| --- | --- |
| Vendor | openrouter |
| Kind | CHAT |
| Context window | 1,000,000 tokens |
| Max output tokens | 131,072 tokens |
| Indicative price (US list) | $0.1 in / $0.35 out per 1M tokens (indicative US list — verify with vendor) |
| Input modalities | text |
| Output modalities | text |
| Capabilities | tools, reasoning |
| Weights | Proprietary (API-only) |
| Release date | 2026-10-16 |
| Sources | models-dev, openrouter-api |
| Last verified | 2026-10-30 |

*Part of the [Model Catalog](https://openviglet.github.io/model-catalog/) — [openrouter models](https://openviglet.github.io/model-catalog/models/openrouter/) · [Vendor JSON](https://openviglet.github.io/model-catalog/by-vendor/openrouter.json) · [HTML](https://openviglet.github.io/model-catalog/models/openrouter/inception-mercury-3.html)*