# Mercury 3 API pricing

INCEPTION / TEXT

> Mercury 3 via one OpenAI-compatible key: $0.20 in / $0.70 out per 1M tokens. Model ID mercury-3, base URL https://api.outrun.to/v1.

$0.20 in / $0.70 out per 1M tokens

Mercury 3 costs $0.20 per 1M input tokens and $0.70 per 1M output tokens (cached input $0.02). Call it with model ID `mercury-3` at `https://api.outrun.to/v1` using one prepaid Outrun key. Prices as of October 30, 2026.

`mercury-3`OpenAI compatible

USD / 1M TOKENS

## How much does Mercury 3 cost per 1M tokens?

[Get a key ↗](https://outrun.to/overview)

Standard

| Token type | Outrun |
| --- | --- |
| Input | **$0.20** |
| Cached input | **$0.02** |
| Output | **$0.70** |

Billed prices, rounded up to the cent. Prices as of October 30, 2026.

Context window

1,000,000 tokens

Max output

131,072 tokens

Input

Text

## What is Mercury 3?

Mercury 3 is a text model in the Outrun catalog. Its developer describes it for diffusion-based text generation for support, tutoring, data work and web navigation. The standard rate is $0.20 in / $0.70 out per 1M tokens.

## What are the Mercury 3 model details?

| Model detail | Value |
| --- | --- |
| Developer | Inception |
| Kind | Text |
| Developer context | 1,000,000 tokens |

## How do I call Mercury 3?

Use your Outrun key and the exact model ID. Requests use prepaid USD credit.

cURL

```
curl https://api.outrun.to/v1/chat/completions \
  -H "Authorization: Bearer $OUTRUN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "mercury-3",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ],
  "max_tokens": 8192
}'
```

Python · OpenAI SDK

```
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.outrun.to/v1",
    api_key=os.environ["OUTRUN_API_KEY"],
)
reply = client.chat.completions.create(
    model="mercury-3",
    messages=[{"role": "user", "content": "Hello!"}],
    max_tokens=8192,
)
print(reply.choices[0].message.content)
```

## Which tools work with Mercury 3?

Any client that accepts an OpenAI-compatible base URL and a model ID can use `mercury-3`. Setup guides: [Cline (OpenAI Compatible)](https://outrun.to/docs/setup/cline), [OpenCode](https://outrun.to/docs/setup/opencode), [SillyTavern](https://outrun.to/docs/setup/sillytavern), [LiteLLM](https://outrun.to/docs/setup/litellm).

Use these setup values for this model ID. Recommended output settings can be lower than the route maximum.

| Set this value | Value |
| --- | --- |
| API format | `OpenAI compatible` |
| Base URL | `https://api.outrun.to/v1` |
| Model ID | `mercury-3` |
| Context window | `1,000,000` |
| Max output setting | `8,192` |
| Temperature | `1` |
| Streaming | `Yes` |
| Image support | `No` |
| R1 format | `No` |
| Include max tokens | `Yes` |
| Reasoning override | `No` |
| Prompt caching setting | `No` |

| Capability | Supported |
| --- | --- |
| Tool calling | Yes |
| Streaming | Yes |
| Reasoning | Yes |
| Structured output | Yes |
| Parallel tools | Yes |
| Image input | No |
| Roo Code ready | Yes |

## How does Mercury 3 compare on cost?

| Model | Input / output | 1,000 chat turns |
| --- | --- | --- |
| [Mercury 3](https://outrun.to/model/mercury-3) This model | $0.20 / $0.70 | $0.42 |

Assumes 1,000 input + 300 output tokens per turn, repeated 1,000 times, at standard-tier rates without caching. Input / output shown per 1M tokens, rounded up to the cent.

## Which similar models can I try?

[DeepSeek DeepSeek V4.1 Flash 1017 Thinking $0.20 in / $1.20 out View model ↗](https://outrun.to/model/deepseek-v4.1-flash-1017-thinking)[Moonshot Kimi Kimi K3.1 Pro $0.20 in / $0.20 out View model ↗](https://outrun.to/model/kimi-k3.1-pro)[MiniMax MiniMax M3 $0.18 in / $0.72 out View model ↗](https://outrun.to/model/minimax-m3)

## Common questions about Mercury 3

### How much does the Mercury 3 API cost?

Mercury 3 costs $0.20 per 1M input tokens and $0.70 per 1M output tokens (cached input $0.02). Prices as of October 30, 2026.

### What model ID and base URL do I use for Mercury 3?

Use the model ID `mercury-3` with the base URL `https://api.outrun.to/v1` and your Outrun API key.

### Does Mercury 3 accept images?

No. Mercury 3 takes text input only.

### Does Outrun store my prompts when I use Mercury 3?

Outrun does not store your prompts, images or outputs unless you choose to save them.

## Where can I find more models?

[Inception prices ↗](https://outrun.to/discounted-ai-api#fam-inception)[All model prices ↗](https://outrun.to/discounted-ai-api)[Model docs ↗](https://outrun.to/docs/models)[All model pages ↗](https://outrun.to/model/)

---
Source: https://outrun.to/model/mercury-3
Outrun: https://outrun.to/ | API base: https://api.outrun.to/v1 | Prices (JSON): https://api.outrun.to/pricing | Docs: https://outrun.to/docs/