Mason Johnson
September 22, 2026
Jasper Agent Studio now supports GPT-6 Sol, GPT-6 Luna, and Claude Opus 5.5, each grounded in your company's knowledge and brand guardrails through Jasper IQ.

Key takeaways
A better model ships every few weeks. But access to a better model doesn't change what your marketing team can accomplish on its own.
A model on its own doesn't know your products, your buyers, or what good looks like for your brand. It doesn't know which opportunities matter most or which decisions need a human in the loop. That's the gap between AI experimentation and AI adoption, and a smarter model doesn't close it by itself.
Jasper does. Every agent in Agent Studio runs on Jasper IQ, so when a new model arrives, your agents get smarter immediately, without anyone re-teaching them your business. And because Jasper isn't tied to one model provider, you're never locked into one frontier lab's roadmap.
GPT-6 Sol. GPT-6 Sol is OpenAI's mid-tier model, bringing GPT-6 Astra's advances in professional work, factuality, and coding to a faster, more affordable tier. It makes about half as many mistakes as its predecessor on OpenAI's factuality evaluation. For agents that analyze signals and decide what to act on, fewer mistakes means more decisions your team can trust.
GPT-6 Luna. GPT-6 Luna is OpenAI's fastest, highest-volume tier. It's optimized for fast responses and higher volume, making it ideal for always-on agents that process large volumes of signals, pages, or products.
Claude Opus 5.5. Claude Opus 5.5 is Anthropic's new flagship model. It performs at the level of Claude Fable 5.1 on most work while costing 40% less to run than Opus 5. It also leads with the most important information and uses less jargon more consistently.
The right model depends on the job your agent is responsible for. Here's a simple starting point.
Still not sure which model to select? Run the same agent on two models, compare results, and keep the winner. If you're working with Jasper's forward-deployed team, they can help you design that evaluation and set the standard each agent should meet.
Do I need to reconfigure my brand context when I switch models?
No. Brand voice, style guides, audiences, knowledge, and products live in Jasper IQ, not in the model. Every model in Agent Studio uses the same governed context automatically.
Does Jasper lock me into one AI provider?
No. Agent Studio supports models from multiple providers, including OpenAI and Anthropic, so teams can choose the best model for each agent and switch as new models are released.
Can I use the new models outside the Jasper app?
Yes. Agents built in Agent Studio are available through the Jasper API and Jasper MCP, so the new models reach the systems where your team already works.
GPT-6 Sol, GPT-6 Luna, and Claude Opus 5.5 are available now in the Jasper Agent Studio.
Jump into Jasper to start building with the new models, explore the Success Center for detailed guidance, or book a demo with our team to see it in action.

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