400+ AI models
Chat with every leading model from one window, so you always pick the right brain for the job.
Krater Ultra Plan
Krater Ultra costs $49/month or $490/year with 4,000 monthly credits, Auto Routers, a 400k context window, 100 GB Keep storage and priority support.
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Krater plans
Krater Ultra Plan
For people who live in AI all day. Ultra pairs 4,000 monthly credits with the fastest responses, Auto Routers and priority support.
$49 per month or $490 per year (2 months free) · 4,000 credits per month · 400+ AI models
What you get
What you get with Ultra
Everything in Pro, plus the headroom and tooling heavy creation needs.
All slash commands
Slash commands trigger specialized tool modes like image, video, research and slides directly inside the chat.
Krater Agent
An autonomous agent that plans and executes multi-step work with tools, then returns finished deliverables.
Apps & Additions
Connect 1,400+ apps so the agent can act on your real tools, not just talk about them.
Voice mode
Talk to Krater hands-free in the same conversation.
400k context window
Even larger context for book-length documents and marathon sessions.
100 GB Keep storage
Keep is your persistent file and project storage inside Krater.
Fastest responses
The fastest lane we run: first in the queue, every time.
Priority support
Your questions jump the queue.
Scheduled tasks
Automations that run prompts and agent work on a schedule without you opening the app.
Publish 2 websites
Publish finished sites straight from the workspace to live URLs.
Credit top-ups
Buy extra credits mid-cycle when a heavy month needs more headroom.
API access
Call the same models and tools through one OpenAI-compatible API.
Auto Routers
Auto Routers choose the best model for each request automatically, balancing quality and credit cost.
Advanced usage analytics
See where credits go with per-model and per-tool usage breakdowns.
Who it is for
Who Ultra is for
For users whose workday runs on AI.
Power users
If AI is your primary tool for hours a day, the larger credit pool and 400k context keep long sessions and big documents moving.
Creators producing media at volume
Image, video, voice and music generation share the same pool, so high-output days never mean juggling quotas per tool.
Professionals running AI-first workflows
Auto Routers pick the right model per task and advanced analytics show where your credits go.
Credits
How credits work on Ultra
Ultra includes 4,000 credits every month, shared across everything Krater does.
- One credit pool covers chat, images, video, voice, music and agent runs. No separate allowances per tool.
- Credits reset every billing cycle, so your 4,000 credits arrive fresh each month.
- Run out early and you can top up credits at any time without changing plans.
- Auto Routers stretch your credits by sending each request to the most capable, cost-efficient model for the task.
Compare
Compare plans
Every plan runs on the same workspace: 400+ models, one shared credit pool, every tool included.
| Krater Pro plan | Krater Ultra plan | Krater Max plan | Krater Enterprise plan | |
|---|---|---|---|---|
| Monthly price | $20 | $49 | $119 | Custom |
| Yearly price | $200 | $490 | $1,190 | Custom |
| Credits per month | 1,500 | 4,000 | 10,000 | Custom |
| Context window | 150k | 400k | 1M | 1M |
| Keep storage | 25 GB | 100 GB | 250 GB | Custom |
| Response speed | Faster | Fastest | Fastest | Fastest |
| Support | Priority | Dedicated | Priority with SLA | |
| Websites you can publish | 1 | 2 | 5 | Custom |
| Team collaboration | Not included | Not included | Included | Included |
| Auto Routers | Not included | Included | Included | Included |
| Usage analytics | Not included | Included | Included | Included |
| SSO and EU hosting | Not included | Not included | Not included | Included |
FAQ
Krater Ultra questions
How much does Krater Ultra cost?
Ultra costs $49 per month or $490 per year, with 2 months free on yearly billing.
What does Ultra add over Pro?
More than double the credits (4,000 per month), a 400k context window, 100 GB of Keep storage, Auto Routers, advanced usage analytics, 2 published websites and priority support.
Who should choose Ultra?
Creators and professionals who use AI heavily every day: long documents, frequent media generation, scheduled tasks and agent runs all benefit from the larger pool.
Is there a yearly discount?
Yes. Yearly Ultra is $490: 12 months for the price of 10.
Can I top up credits on Ultra?
Yes. Top-ups are available any time from Settings if a heavy month runs through your 4,000 credits.
Can I switch from Pro or Max?
Yes, upgrade or downgrade at any time. Changes take effect immediately and billing adjusts automatically.
Can I cancel Krater Ultra anytime?
Yes. Cancel in a few clicks and your plan stays active until the end of the billing period.
Get Krater Ultra
The plan for all-day AI work: 4,000 credits a month for $49.