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 Terra Pro
gpt-5.6-terra-proGPT-5.6 Terra Pro is the enhanced version of the Terra series, designed for high-quality output across complex tasks. It is suitable for advanced Q&A, in-depth content creation, business analysis, coding assistance, and multi-step reasoning. Compared with the standard version, Terra Pro is better suited for scenarios that require stronger reliability, more complete reasoning, and better instruction following. It can be a good fit for professional writing, complex information synthesis, knowledge-based assistants, automation agents, and enterprise-grade AI applications.
Context Window
1.1M tokens
Maximum Output
128K tokens
Release Date
Jul 9, 2026
Modalities
GPT-5.6 Terra Pro Pricing
| Token Tier | Input Price | Output Price | Cache Read | Cache Create 5m |
|---|---|---|---|---|
| <=272K | $2.5/M | $15/M | $0.275/M | $3.125/M |
| >272K | $5/M | $22.5/M | $0.5/M | $6.25/M |
GPT-5.6 Terra 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 Terra Pro Model Highlights
GPT-5.6 Terra Pro applies the GPT-5.6 Terra family’s reasoning, vision and long-context capabilities to workloads that benefit from additional deliberation.
Extended Deliberation
The Pro configuration emphasizes additional reasoning for problems where careful evaluation matters more than the fastest response.
Million-Token Analysis
A 1,050,000-token context window accommodates extensive documents, code and accumulated task history for integrated analysis.
Text-Image Reasoning
The model accepts text and image inputs, enabling detailed reasoning that combines written requirements with visual evidence.
GPT-5.6 Terra Pro Use Cases
GPT-5.6 Terra Pro is suited to complex document review, implementation planning and visual analysis where deeper evaluation improves the result.
Complex Document Review
Evaluate large document sets against detailed criteria, trace supporting passages and produce a structured assessment.
Implementation Planning
Analyze requirements and existing code, compare design options and produce a staged implementation plan with identified risks.
Visual Quality Analysis
Inspect screenshots, diagrams or document images against written requirements and report discrepancies with actionable recommendations.
How to Use GPT-5.6 Terra 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 Terra Pro Benchmarks
| Index score | ||
|---|---|---|
| Artificial Analysis Intelligence Index | Artificial Analysis broad capability aggregate | 45.6 |
| Artificial Analysis Coding Index | Artificial Analysis software task aggregate | 64.7 |
| Knowledge & Reasoning | ||
| GPQA | Advanced science problem solving | 87.2% |
| HLE | Broad expert-level exam set | 31.6% |
| Coding & Engineering | ||
| SciCode | Scientific coding challenges | 49.7% |
| Instruction Following & Agent Tasks | ||
| IFBench | Prompt constraint adherence | 62.2% |
| AA-LCR | Long-context reasoning | 68% |
| τ²-Bench | Agent workflow tasks | 72.8% |
Metrics sourced from Artificial Analysis
GPT-5.6 Terra Pro FAQs
Common questions about using GPT-5.6 Terra Pro on TokenHub.
What is GPT-5.6 Terra Pro?+
GPT-5.6 Terra Pro is a GPT-5.6 Terra-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 Terra 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 Terra 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 Terra 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 Terra Pro through the TokenHub API?+
Select "GPT-5.6 Terra 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 Terra 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 Terra Pro?
Use one API key to access GPT-5.6 Terra Pro and more AI models through TokenHub.