# GPT-5.6 Sol API pricing

OPENAI GPT / TEXT

> GPT-5.6 Sol via one OpenAI-compatible key: $0.30 in / $1.77 out per 1M tokens. Model ID gpt-5.6-sol, base URL https://api.outrun.to/v1.

From $0.30 in / $1.77 out per 1M tokens

GPT-5.6 Sol costs $0.30 per 1M input tokens and $1.77 per 1M output tokens (cached input $0.03). Other context tiers are listed in the price table. Call it with model ID `gpt-5.6-sol` at `https://api.outrun.to/v1` using one prepaid Outrun key. Prices as of October 30, 2026.

`gpt-5.6-sol`OpenAI compatibleVision

USD / 1M TOKENS

## How much does GPT-5.6 Sol cost per 1M tokens?

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

up to 272k tokens

| Token type | Outrun |
| --- | --- |
| Input | **$0.30** |
| Cached input | **$0.03** |
| Cache write | **$0.37** |
| Output | **$1.77** |

over 272k tokens

| Token type | Outrun |
| --- | --- |
| Input | **$0.59** |
| Cached input | **$0.06** |
| Cache write | **$0.74** |
| Output | **$2.65** |

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

Context window

1,050,000 tokens

Max output

128,000 tokens

Input

Text + images

## What is GPT-5.6 Sol?

GPT-5.6 Sol is a text model in the Outrun catalog. Its developer describes it for complex professional work. The standard rate is $0.30 in / $1.77 out per 1M tokens.

## What are the GPT-5.6 Sol model details?

| Model detail | Value |
| --- | --- |
| Developer | OpenAI |
| Kind | Text |
| Developer context | 1,050,000 tokens |
| Developer max output | 128,000 tokens |
| Developer input | Text, Images |

## How do I call GPT-5.6 Sol?

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": "gpt-5.6-sol",
  "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="gpt-5.6-sol",
    messages=[{"role": "user", "content": "Hello!"}],
    max_tokens=8192,
)
print(reply.choices[0].message.content)
```

## Which tools work with GPT-5.6 Sol?

Any client that accepts an OpenAI-compatible base URL and a model ID can use `gpt-5.6-sol`. Setup guides: [Codex CLI (GPT models)](https://outrun.to/docs/setup/codex), [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 | `gpt-5.6-sol` |
| Context window | `1,050,000` |
| Max output setting | `8,192` |
| Temperature | `1` |
| Streaming | `Yes` |
| Image support | `Yes` |
| 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 |
| Image input | Yes |
| Roo Code ready | Yes |

## How does GPT-5.6 Sol compare on cost?

| Model | Input / output | 1,000 chat turns |
| --- | --- | --- |
| [GPT-6 Sol](https://outrun.to/model/gpt-6-sol) | $0.12 / $0.59 | $0.30 |
| [GPT-6.1 Sol](https://outrun.to/model/gpt-6.1-sol) | $0.12 / $0.59 | $0.30 |
| [GPT-5.6 Terra](https://outrun.to/model/gpt-5.6-terra) | $0.12 / $0.71 | $0.33 |
| [GPT-5.6 Sol](https://outrun.to/model/gpt-5.6-sol) This model | $0.30 / $1.77 | $0.83 |
| [GPT-6 Astra](https://outrun.to/model/gpt-6-astra) | $0.59 / $2.94 | $1.47 |

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?

[OpenAI GPT GPT-5.6 Terra $0.12 in / $0.71 out View model ↗](https://outrun.to/model/gpt-5.6-terra)[OpenAI GPT GPT-6 Sol $0.12 in / $0.59 out View model ↗](https://outrun.to/model/gpt-6-sol)[OpenAI GPT GPT-6.1 Sol $0.12 in / $0.59 out View model ↗](https://outrun.to/model/gpt-6.1-sol)

## Common questions about GPT-5.6 Sol

### How much does the GPT-5.6 Sol API cost?

GPT-5.6 Sol costs $0.30 per 1M input tokens and $1.77 per 1M output tokens (cached input $0.03). Other context tiers are listed in the price table. Prices as of October 30, 2026.

### What model ID and base URL do I use for GPT-5.6 Sol?

Use the model ID `gpt-5.6-sol` with the base URL `https://api.outrun.to/v1` and your Outrun API key.

### Does GPT-5.6 Sol accept images?

Yes. GPT-5.6 Sol accepts text and image input.

### Does Outrun store my prompts when I use GPT-5.6 Sol?

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

## Where can I find more models?

[OpenAI GPT guide ↗](https://outrun.to/gpt-api)[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/gpt-5.6-sol
Outrun: https://outrun.to/ | API base: https://api.outrun.to/v1 | Prices (JSON): https://api.outrun.to/pricing | Docs: https://outrun.to/docs/