Cast AI vs k8sGPT: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Cast AI and k8sGPT side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, k8sGPT leads on a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Cast AI
Automate Kubernetes and optimize cloud costs with intelligent, continuous optimization.
Best for you if:
- • You want significant cloud cost savings (reported 40-70%)
k8sGPT
AI-powered Kubernetes analysis for faster debugging and insights
Best for you if:
- • You want a free tier before you commit
| At a Glance | Cast AI | k8sGPT |
|---|---|---|
Starts at | Not published | Free plan, paid from $29/mo, billed monthly Pro plan |
Category | Cloud & Infrastructure DevOps | DevOps AI Agents |
Rating | 4.0/5 G2 4.5 · Trustpilot 2.5 234 reviews | n/a |
Free plan | No | Yes |
Watch out for | Potential high minimum spend requirements | No overage fees mentioned but limited usage in Free tier |
Choose Cast AI or k8sGPT?
Choose Cast AI if
- You want significant cloud cost savings (reported 40-70%)
- You want increased application performance and stability
- You work in cloud & infrastructure, not DevOps
Choose k8sGPT if
- You want a free tier before you commit
- You want significantly reduces time spent on Kubernetes debugging
- You want makes advanced cluster analysis accessible to non-experts
- You work in DevOps, not cloud & infrastructure
In-Depth Analysis
Cast AI
Automate Kubernetes and optimize cloud costs with intelligent, continuous optimization.
Watch out
Potential high minimum spend requirements
Strengths
- Pro: Significant cloud cost savings (reported 40-70%)
- Pro: Increased application performance and stability
- Pro: Frees up DevOps team time from manual scaling and capacity planning
- Pro: Automated management reduces human error and operational overhead
- Pro: Supports migration of stateful workloads without downtime
Weaknesses
- Con: Primarily focused on Kubernetes, may not be suitable for non-Kubernetes environments
- Con: Advanced features like Container Live Migration are currently limited to AWS, with Azure and Google Cloud coming soon
Key features
k8sGPT
AI-powered Kubernetes analysis for faster debugging and insights
The Free tier is generous for basic Kubernetes diagnostics, but the Pro tier at $29/month is fairly priced for priority support and unlimited usage, though it lacks advanced features like custom integrations.
Watch out
No overage fees mentioned but limited usage in Free tier
Strengths
- Pro: Significantly reduces time spent on Kubernetes debugging
- Pro: Makes advanced cluster analysis accessible to non-experts
- Pro: Works with existing Kubernetes tools and workflows
Weaknesses
- Con: Requires an active internet connection for cloud AI backends
- Con: Some AI models may incur additional costs beyond the tool itself
Key features
Plans and prices: Cast AI vs k8sGPT
| Tool | Plans and prices | Source |
|---|---|---|
| Cast AI |
| cast.ai/pricing read Oct 5, 2026 |
| k8sGPT |
| k8sgpt.ai read Sep 28, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Cast AI pricing and k8sGPT pricing.
Key Takeaways
Cast AI
- Choose if you want automate Kubernetes and optimize cloud costs with intelligent, continuous optimization
k8sGPT
- Has a free plan
What the data shows
On the data below, k8sGPT leads on a free plan. We do not name an overall winner for this pair.
- Only Cast AI has a published user rating (4.0/5 from 234 reviews); k8sGPT has none we can show.
- k8sGPT starts at $29/mo, billed monthly; Cast AI has no public paid plan price on file.
- Only k8sGPT has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Cast AI and k8sGPT compare in 2026?
On the data below, k8sGPT leads on a free plan. We do not name an overall winner for this pair. Only Cast AI has a published user rating (4.0/5 from 234 reviews); k8sGPT has none we can show. k8sGPT starts at $29/mo, billed monthly; Cast AI has no public paid plan price on file. Only k8sGPT has a free plan.
What are Cast AI and k8sGPT used for?
Cast AI: Automate Kubernetes and optimize cloud costs with intelligent, continuous optimization. k8sGPT: AI-powered Kubernetes analysis for faster debugging and insights.
What does Cast AI cost vs k8sGPT?
Cast AI has no public paid-plan price on file. k8sGPT's cheapest paid plan is Pro at $29/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 5, 2026.
What's the main difference between Cast AI and k8sGPT?
Cast AI's main strength: significant cloud cost savings (reported 40-70%). k8sGPT's main strength: significantly reduces time spent on Kubernetes debugging.