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-6.1 Sol Pro
gpt-6.1-sol-proGPT-6.1 Sol Pro is an enhanced reasoning version of GPT-6.1 Sol. It uses the same underlying model as GPT-6.1 Sol but enables reasoning.mode=pro, allowing the model to spend significantly more computation on each request. The additional reasoning budget helps GPT-6.1 Sol Pro handle harder problems that require deeper analysis, longer planning, and higher accuracy. It is designed for tasks where getting the best possible answer is more important than response speed or cost efficiency. Compared with GPT-6.1 Sol, GPT-6.1 Sol Pro consumes significantly more reasoning tokens per request, resulting in higher usage costs and longer response times.
Context Window
1.1M tokens
Maximum Output
128K tokens
Release Date
Sep 29, 2026
Modalities
GPT-6.1 Sol Pro 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 Pro API Capabilities
Reasoning
Supported
Tool calling
Supported
Temperature parameter
Not supported
Attachments
Supported
Knowledge Base
2026-04-30
Endpoint Protocols
Responses APIMessages APICompletions API
Model Highlights
Verified strengths and model tradeoffs.
Expanded Reasoning
Pro mode performs more model work to pursue better answers on difficult tasks.
Adjustable Reasoning Effort
Reasoning effort remains independently adjustable within pro mode.
Long-Context Foundation
Shares GPT-6.1 Sol’s underlying model and 1,050,000-token context window.
Use Cases
Practical workloads suited to the model.
Migration Plan Review
Analyze database migration plans to identify failure modes before implementation.
Complex Debugging
Investigate difficult coding problems when additional reasoning time is acceptable.
Analytical Review
Examine complex professional analyses where answer quality outweighs response speed.
How to Use GPT-6.1 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.responses.create({})
console.log(result.output_text)GPT-6.1 Sol Pro Benchmarks
| Index score | ||
|---|---|---|
| Artificial Analysis Intelligence Index | Artificial Analysis broad capability aggregate | 51 |
Metrics sourced from Artificial Analysis
GPT-6.1 Sol Pro FAQs
Model selection, tradeoffs, and TokenHub integration.
What is GPT-6.1 Sol Pro?+
OpenRouter’s GPT-6.1 Sol variant using pro reasoning mode, with the same underlying model.
What workloads suit GPT-6.1 Sol Pro?+
Difficult debugging, migration reviews, and complex analyses where more model computation is worth waiting for.
What limitations should I consider?+
Pro mode uses more reasoning tokens and takes longer. Additional computation does not guarantee correctness.
How do I use GPT-6.1 Sol Pro through TokenHub?+
If listed in your account, follow TokenHub’s model ID and Integration instructions; confirm the route enables pro mode.
What about pricing and availability?+
OpenRouter lists this variant. Check TokenHub access and rates; higher reasoning usage can increase total request cost.
How should I choose between the variants?+
Choose Pro for difficult tasks that tolerate delay; use GPT-6.1 Sol for everyday coding and agent workflows.
Ready to use GPT-6.1 Sol Pro?
Use one API key to access GPT-6.1 Sol Pro and more AI models through TokenHub.
GPT-6.1 Sol Pro Media and Demos
GPT-6.1 Sol family content about the underlying model; these are not Pro-specific evaluations.
X (Twitter)
OpenAI
OpenAI announces GPT-6.1 Sol’s performance and pricing.
View originalSam Altman
Sam Altman highlights GPT-6.1 Sol’s pricing and cache discount.
View originalTibo
Tibo introduces GPT-6.1 Sol and discusses upcoming Ultrafast availability.
View originalReddit
A community thread discusses the GPT-6.1 Sol launch and access.
View originalA community experiment uses GPT-6.1 Sol as planner with a local coding model.
View originalA community post shares GPT-6.1 Sol’s GitHub Copilot rollout.
View originalYouTube
OpenAI
OpenAI’s DevDay keynote includes the GPT-6.1 Sol announcement.
View originalSECourses
A technical overview discusses GPT-6.1 Sol pricing and evaluations.
View originalMatt Johnston | AI Engineer
A community review explores GPT-6.1 Sol through coding demos.
View original