OpenAI
GPT-6.1 Sol
gpt-6.1-sol
Total Context
1.1M
Max Output
128K
Released
N/A
Input$2 / M tokens
Output$10 / M tokens
GPT-5.6 Sol Pro
gpt-5.6-sol-proGPT-5.6 Sol Pro is the Pro version of the Sol series, designed for complex tasks and higher-quality output. It is suitable for advanced writing, precise Q&A, business reasoning, code generation, structured analysis, and multi-turn task execution. Sol Pro is a good fit for tasks that require stronger accuracy, contextual understanding, and instruction completion. It can be used for professional content production, data-analysis assistants, knowledge Q&A systems, complex agent workflows, and internal enterprise AI tools.
Context Window
1.1M tokens
Maximum Output
128K tokens
Release Date
Jul 9, 2026
Modalities
GPT-5.6 Sol Pro Pricing
| Token Tier | Input Price | Output Price | Cache Read | Cache Create 5m |
|---|---|---|---|---|
| <=272K | $5/M | $30/M | $0.5/M | $6.25/M |
| >272K | $10/M | $45/M | $1/M | $12.5/M |
GPT-5.6 Sol Pro API Capabilities
Reasoning
Supported
Tool calling
Supported
Temperature parameter
Not supported
Attachments
Supported
Knowledge Base
2026-02-16
Endpoint Protocols
Completions API
GPT-5.6 Sol Pro Model Highlights
GPT-5.6 Sol Pro applies the flagship GPT-5.6 Sol model to professional workloads that warrant additional reasoning and sustained analysis.
High-Depth Reasoning
The Pro configuration emphasizes additional deliberation for difficult professional, technical and analytical problems.
Sustained Context Reasoning
A 1,050,000-token context window supports coherent analysis across large source sets and long-running task histories.
Professional Multimodal Analysis
Text and image inputs can be evaluated together for professional tasks involving diagrams, interfaces, scanned material and written evidence.
GPT-5.6 Sol Pro Use Cases
GPT-5.6 Sol Pro is suited to demanding engineering, strategic analysis and long-horizon professional work that benefits from deeper deliberation.
Complex Engineering Work
Analyze large systems, reason across interacting components and produce detailed implementation or remediation plans.
Strategic Decision Analysis
Compare complex options, test assumptions against extensive evidence and present trade-offs with a reasoned recommendation.
Long-Horizon Professional Work
Maintain coherence across lengthy projects involving research, document review, iterative planning and successive refinements.
How to Use GPT-5.6 Sol Pro via the TokenHub API
import OpenAI from "openai"
const client = new OpenAI({
apiKey: process.env.TOKENHUB_API_KEY,
baseURL: "https://us-api.tokenhub.com/v1",
})
const result = await client.chat.completions.create({})
console.log(result.choices[0]?.message?.content)GPT-5.6 Sol Pro Benchmarks
| Index score | ||
|---|---|---|
| Artificial Analysis Intelligence Index | Artificial Analysis broad capability aggregate | 49.4 |
| Artificial Analysis Coding Index | Artificial Analysis software task aggregate | 69.7 |
| Knowledge & Reasoning | ||
| GPQA | Advanced science problem solving | 89.8% |
| HLE | Broad expert-level exam set | 36.6% |
| Coding & Engineering | ||
| SciCode | Scientific coding challenges | 55.4% |
| Terminal-Bench Hard | Hard terminal task execution | 60.6% |
| Instruction Following & Agent Tasks | ||
| IFBench | Prompt constraint adherence | 66.5% |
| AA-LCR | Long-context reasoning | 67.7% |
| τ²-Bench | Agent workflow tasks | 76.0% |
Metrics sourced from Artificial Analysis
GPT-5.6 Sol Pro FAQs
Common questions about using GPT-5.6 Sol Pro on TokenHub.
What is GPT-5.6 Sol Pro?+
GPT-5.6 Sol Pro is a GPT-5.6 Sol-series model exposed through TokenHub. It is intended for users who need a general AI model for chat, reasoning, writing and API-based workflows.
What is GPT-5.6 Sol Pro best for?+
It is suitable for conversational assistants, content drafting, summarization, structured data extraction, code help and multi-step task automation.
What are the strengths of GPT-5.6 Sol Pro?+
Its strengths are general-purpose task coverage, clear instruction following and flexible integration through TokenHub. The Pro version is generally a better fit when you want higher-quality outputs and can accept potentially higher cost or latency.
What limitations or tradeoffs should I consider with GPT-5.6 Sol Pro?+
As with any AI model, review important outputs for accuracy, test prompts with your own data and compare latency, cost and quality against alternatives before production use.
How do I use GPT-5.6 Sol Pro through the TokenHub API?+
Select "GPT-5.6 Sol Pro" as the model in your TokenHub request, use your account endpoint and credentials, and set parameters such as temperature, max tokens and streaming according to your application needs.
How should I choose between GPT-5.6 Sol Pro and related GPT-5.6 models?+
Start with a small evaluation set that reflects your real tasks. Choose the model that gives the best balance of answer quality, reliability, latency and cost for your workload.
Ready to use GPT-5.6 Sol Pro?
Use one API key to access GPT-5.6 Sol Pro and more AI models through TokenHub.