GPT-6 Sol Pro

gpt-6-sol-pro

GPT-6 Sol Pro is an enhanced reasoning variant of GPT-6 Sol, designed for tasks that require deeper analysis, higher accuracy, and more reliable multi-step execution. With increased reasoning capability, GPT-6 Sol Pro delivers stronger performance in software engineering, complex workflows, data analysis, and AI agent applications. It is optimized for developers building advanced AI systems that require consistent results on challenging tasks. GPT-6 Sol Pro supports long-context processing, tool calling, and structured outputs, making it suitable for production-grade applications that require powerful reasoning and automation capabilities.

Context Window

1.1M tokens

Maximum Output

128K tokens

Release Date

Sep 22, 2026

Modalities

GPT-6 Sol Pro Pricing

Token TierInput PriceOutput PriceCache ReadCache Create 5m
<=272K$2/M$10/M$0.2/M$2.5/M
>272K$4/M$15/M$0.4/M$5/M

GPT-6 Sol Pro API Capabilities

Reasoning

Supported

Tool calling

Supported

Temperature parameter

Not supported

Attachments

Supported

Knowledge Base

2026-04-20

Endpoint Protocols

Messages APICompletions APIResponses API

Model Highlights

The model’s key strengths.

Pro Reasoning

Pro mode performs more model work on difficult tasks, with higher latency and token use.

Complex Coding

OpenAI built Sol for complex coding and agentic workflows.

Long Context

The documented context window is 1,050,000 tokens.

Use Cases

Practical workloads for this model.

Difficult Code Review

Review complex changes and reason through possible failure paths.

Multi-Step Research

Compare evidence and work through questions that need extended reasoning.

Large-Document Review

Summarize and compare lengthy source material within the supported context.

How to Use GPT-6 Sol Pro via the TokenHub API

Create API key
curl 'https://us-api.tokenhub.com/v1/messages' \
  -X 'POST' \
  -H "Authorization: Bearer $TOKENHUB_API_KEY"

GPT-6 Sol Pro Benchmarks

Index score
Artificial Analysis Intelligence IndexArtificial Analysis broad capability aggregate33.9

Metrics sourced from Artificial Analysis

GPT-6 Sol Pro Media and Demos

Selected public posts and videos about GPT-6 Sol Pro.

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GPT-6 Sol Pro FAQs

Answers to common model questions.

What is GPT-6 Sol Pro?+

OpenRouter lists GPT-6 Sol Pro as GPT-6 Sol with pro reasoning mode, not a separate underlying OpenAI model.

What is GPT-6 Sol Pro best for?+

Use it when difficult complex coding needs extra reasoning and can tolerate slower responses.

Why choose GPT-6 Sol Pro?+

It retains GPT-6 Sol’s foundation while pro mode performs more model work.

What tradeoffs should I consider?+

Pro mode raises latency and token use; compare it with standard mode on your own tasks.

How do I use GPT-6 Sol Pro through TokenHub?+

If it is listed in your TokenHub account, use the exact model ID and endpoint shown there with your credentials.

How should I check pricing and availability?+

Check the live TokenHub model page for your account’s availability and rates; provider prices may differ from TokenHub billing.

Ready to use GPT-6 Sol Pro?

Use one API key to access GPT-6 Sol Pro and more AI models through TokenHub.

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