OpenAI
GPT-6.1 Sol Pro
gpt-6.1-sol-pro
Total Context
1.1M
Max Output
128K
Released
N/A
Input$2 / M tokens
Output$10 / M tokens
GPT-6.1 Sol
gpt-6.1-solGPT-6.1 Sol is an advanced reasoning model built for complex problem solving, coding, and agent-based applications. It is designed to deliver strong reasoning performance while maintaining a practical balance between intelligence, speed, and cost. Unlike traditional chat models that focus mainly on generating responses, GPT-6.1 Sol is optimized for tasks that require deeper thinking, including multi-step reasoning, code generation, debugging, data analysis, and following complex instructions. GPT-6.1 Sol supports reliable reasoning workflows, structured outputs, and tool-based applications, making it suitable for developers building AI assistants, coding agents, automation systems, and production AI applications.
Context Window
1.1M tokens
Maximum Output
128K tokens
Release Date
Sep 29, 2026
Modalities
GPT-6.1 Sol Pricing
| Token Tier | Input Price | Output Price | Cache Read | Cache Create 5m |
|---|---|---|---|---|
| <=272K | $2/M | $10/M | $0.1/M | $2.5/M |
| >272K | $4/M | $15/M | $0.2/M | $5/M |
GPT-6.1 Sol API Capabilities
Reasoning
Supported
Tool calling
Supported
Temperature parameter
Not supported
Attachments
Supported
Knowledge Base
2026-04-30
Endpoint Protocols
Completions APIResponses APIMessages API
Model Highlights
Verified strengths and model tradeoffs.
Cost-Efficient Intelligence
Approaches Astra on evaluated complex tasks at lower standard token prices.
Agentic Coding
Improves on GPT-6 Sol for demanding engineering work in real codebases.
Long-Context Understanding
A 1,050,000-token context window supports substantial text and image-based source material.
Use Cases
Practical workloads suited to the model.
Repository Engineering
Investigate codebases, implement features, and debug issues across multiple files.
Professional Document Analysis
Answer questions using complex documents, tables, charts, and fine-print details.
Business Workflow Automation
Coordinate multistep tasks across applications through an agent with appropriate tools.
How to Use GPT-6.1 Sol 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-6.1 Sol Benchmarks
| Index score | ||
|---|---|---|
| Artificial Analysis Intelligence Index | Artificial Analysis broad capability aggregate | 51 |
Metrics sourced from Artificial Analysis
GPT-6.1 Sol FAQs
Model selection, tradeoffs, and TokenHub integration.
What is GPT-6.1 Sol?+
An OpenAI reasoning model for coding, computer use, and complex professional work.
What workloads suit GPT-6.1 Sol?+
Repository engineering, document analysis, and multistep workflows benefit from its capability-to-cost balance.
What limitations should I consider?+
It can make mistakes. Native audio and video inputs are not supported; verify critical outputs.
How do I use GPT-6.1 Sol through TokenHub?+
If available in your account, use the model ID, endpoint, and API key shown in TokenHub Integration.
What about pricing and availability?+
Check TokenHub’s current listing for account access and rates; provider prices may differ from TokenHub charges.
How should I choose between the variants?+
Start with GPT-6.1 Sol for routine complex work; consider GPT-6.1 Sol Pro when extra reasoning justifies added cost and latency.
Ready to use GPT-6.1 Sol?
Use one API key to access GPT-6.1 Sol and more AI models through TokenHub.
GPT-6.1 Sol Media and Demos
Verified public announcements, explanations, and community experiments.
X (Twitter)
OpenAI ·
OpenAI announces GPT-6.1 Sol’s performance and pricing.
GPT-6.1 Sol: near-Astra intelligence for a fifth of the price. It’s the most cost-efficient model for its performance available today. https://t.co/hH8PnE2Oxk
https://pbs.twimg.com/amplify_video_thumb/2104984622191067137/img/6xK8vFcs_vBe4SKN.jpgView originalSam Altman ·
Sam Altman highlights GPT-6.1 Sol’s pricing and cache discount.
6.1 Sol at 1/5th of the price of Astra, and 95% cache read discount! Extremely capable model.
View originalTibo ·
Tibo introduces GPT-6.1 Sol and discusses upcoming Ultrafast availability.
Introducing 6.1 Sol, near Astra intelligence at one fifth of the price of Astra and 95% cache read discount. It is an absolute workhorse. Combined with ultrafast for 8X speeded available today for Astra and coming soon for 6.1 Sol.
View originalReddit
Introducing 6.1 SOL
BitterAd6419 ·
A community thread discusses the GPT-6.1 Sol launch and access.
OpenAI: Introducing GPT-6.1 Sol, launched at one-fifth of Astra's price; cached input cut 95% vs standard price Anyone has access to this new model ?
View originalUsing GPT-6.1 Sol only as the planner and letting a local 27B write the code cut my API bill by 77%
GapNew4766 ·
A community experiment uses GPT-6.1 Sol as planner with a local coding model.
View originalGPT-6.1 Sol in GitHub Copilot
wchabbott ·
A community post shares GPT-6.1 Sol’s GitHub Copilot rollout.
View originalYouTube
OpenAI DevDay 2026 Keynote (FULL)
OpenAI
OpenAI’s DevDay keynote includes the GPT-6.1 Sol announcement.
View originalGPT-6.1 Sol: Near-Astra for Less, Cheaper Cache and Upcoming Ultrafast Explained
SECourses
A technical overview discusses GPT-6.1 Sol pricing and evaluations.
View originalGPT-6.1 SOL - They FINALLY Did It
Matt Johnston | AI Engineer
A community review explores GPT-6.1 Sol through coding demos.
View original