Available on Julius

Julius 1.2 Ultra

Tackle demanding tasks with clear constraints and checks using Julius’s highest-credit agent.

Try Julius 1.2 Ultra on Julius

Explore a worked example

Available on Max, Ultra, and Business. Compare plans

Reviewed October 13, 2026 · Sources

Production dashboard plotting feasible plans and the optimal mix of 60 Standard and 10 Deluxe units for $3,100 contribution. — Production planning dashboardIllustrative output · Fictional dataView full size

Best suited to: The most complex Julius tasks
Product type: Julius agent
Inputs: Prompts and files supported by Julius
Output: Answers and deliverables through Julius tools

Julius 1.2 Ultra pricing

Julius agents use the credits included in your plan.

Use your Julius plan

Available on Max, Ultra, and Business. Credits cover the work performed with models and tools.

The model menu describes Ultra as using 10× more credits.

View Julius plans and credits

Prices in USD, reviewed October 13, 2026. API token charges are separate from Julius subscriptions and credits.

What is Julius 1.2 Ultra?

Julius 1.2 Ultra is a Julius agent for the most complex Julius tasks. Work with files, ask questions, and use Julius’s tools in one conversation.

Reserve Ultra for a difficult problem with a clear objective and evidence to work from. State what a successful answer must contain, including the checks, uncertainties, and deliverable you expect.

A workspace for your task

Bring your files, ask questions about the evidence, and refine the result in the same conversation.

From analysis to a deliverable

Use Julius tools to work with spreadsheets, build charts, and create reports or presentations. Available tools and usage depend on your plan.

Choose a production mix within two resource limits

A higher contribution per unit does not necessarily produce the best total contribution.

Worked example · Fictional sample data · Expected results calculated from the CSVs

1. Input
Products and resource limits
2. Check
Test feasible whole-unit plans
3. Deliver
A plan within both limits

Expected result

Make 60 Standard and 10 Deluxe units for $3,100 in contribution. This uses all 160 hours and 200 material units.

Standard units: 60
Deluxe units: 10

Total contribution · USD

All Deluxe: $2,800
Best feasible mix: $3,100

What the analysis needs to catch

Making only Deluxe units returns $2,800. Ranking products by contribution per unit misses the two resource constraints.

Make this deliverable

A verified production allocation and a resource-use table.

Build an interactive planning tool with editable capacity limits using the AI website builder.

Try this example in Julius

The prompt includes the sample data. Review it in chat before sending. Results may vary; compare your answer with the calculations shown here.

View the sample output (PNG)View the workflow and chart (SVG)Download capacity.csv Download products.csv Download all data and calculations

View the prompt and sample data

Use integer quantities to maximize total contribution, subject to the hours, material, and product-demand limits in these files. Enumerate the feasible plans or use an integer solver, verify both resource constraints, and compare the optimum with an all-Deluxe plan. Show the allocation and explain the tradeoff.

capacity.csv

resource,available
hours,160
material,200

products.csv

product,contribution_per_unit,hours_per_unit,material_per_unit,max_demand
Standard,40,2,3,70
Deluxe,70,4,2,40

These expected results come from the downloadable Python calculations. This example illustrates a workflow; it is not a measured benchmark of Julius 1.2 Ultra.

Using Julius 1.2 Ultra in Julius

Start with your task

The try buttons carry Julius 1.2 Ultra into a new chat when your plan includes it. Example buttons also fill the composer with the sample data. Review the prompt, or replace it with your own files and question, before sending.

If the model is unavailable on your plan, Julius explains the access requirement. You can choose another option in the model menu.

Research a question Work through an analysis in code Create a report

Know the boundaries

The model menu describes Ultra as using 10× more credits.
These are Julius agent options, not standalone API models with a public per-token price. Credit usage depends on the work performed.

Model details and official research

Go to the original documentation for specifications, release details, and evaluation methods.

Julius plans and credits

Compare current plans, credit allowances, and included tools.

What you can do with Julius

Explore analysis, research, and creation workflows.

Julius 1.2 Ultra: frequently asked questions

Is Julius 1.2 Ultra available on Julius?

Yes. It appears as Julius 1.2 Ultra in the model menu. Available on Max, Ultra, and Business plans.

How much does Julius 1.2 Ultra cost?

Julius 1.2 Ultra uses Julius credits. The model menu describes Ultra as using 10× more credits. See the pricing page for plan allowances.

How is Julius 1.2 Ultra different from a foundation model?

A foundation model generates responses. A Julius agent combines models with the instructions, tools, and workspace needed to complete a task. Its name, available tools, plans, and credit usage describe the Julius product experience.