# Mercury 3

> Inception's Mercury 3 is a diffusion language model and the lab's most capable to date, built for agentic workflows and real-time applications. It supports tunable reasoning, tool calling and structured output, with a 1M-token context window.

**ID**: `inception/mercury-3`  
**Creator**: inception  
**Category**: text  
**Context**: 1M tokens  
**Pricing**: $0.10 / $0.35 per 1M · billed by your provider (BYOK)  
**Released**: 2026-10-19  
**Web page**: https://anyrouter.dev/model/inception/mercury-3

**Input modalities**: text  
**Output modalities**: text  

**Capabilities**: chat, streaming, function-calling, thinking, reasoning

## Usage

**Endpoint**: `POST https://anyrouter.dev/api/v1/chat/completions`

```bash
curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "inception/mercury-3",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'
```

## Providers

| Provider | Input | Output |
| --- | --- | --- |
| openrouter-byok | $0.10/M (list) | $0.35/M (list) |
| vercel-byok | $0.10/M (list) | $0.35/M (list) |
| venice-byok | $0.10/M (list) | $0.35/M (list) |

BYOK routes are billed by your own provider key — AnyRouter charges $0. Rates marked (list) are the provider's published list price.

## Source

- Upstream docs: https://openrouter.ai/inception/mercury-3