GPT 5.6 Sol

OpenAI flagship model configured for vision understanding, deep reasoning, text generation, and agentic workloads.

Overview

GPT 5.6 Sol is a OpenAI model configured in Yolo Router. It is the flagship variant of the GPT-5.6 series, positioned for complex reasoning, agentic tasks, and high-intensity production workloads. Use the model ID gpt-5.6-sol when calling compatible APIs.

Key Specifications

Parameter	Value
Provider	OpenAI
Model ID	`gpt-5.6-sol`
Input Modalities	Text, Image
Output Modalities	Text
Pricing Type	Usage-based

Capabilities

Vision Understanding - Accepts visual context for image-aware tasks
Deep Reasoning - Suitable for multi-step analysis and planning
Text Generation - Generates answers, drafts, summaries, and rewrites
Agentic Execution - Designed for autonomous task planning and execution

Pricing

Type	Price
Input	$1.5 / 1M tokens
Output	$9 / 1M tokens
Cache Read	$0.15 / 1M tokens
Cache Write	$1.875 / 1M tokens

Usage Example

from openai import OpenAI

client = OpenAI(
    api_key="sk-...",
    base_url="https://api.yolorouter.com/v1",
)

response = client.responses.create(
    model="gpt-5.6-sol",
    input="Summarize this content.",
)

print(response.output_text)

Best Practices

Pass the model ID exactly as shown in the documentation.
Match the model capability tags to the text, image, audio, or video workload.
When cache prices are configured, keep stable prompt prefixes to improve cache reuse.