1. Vast.ai
Vast.ai · San Francisco · Cloud platforms & infrastructure · 3.9/5
Marketplace for renting cloud GPUs for AI, machine learning and rendering workloads.
On request
Free trial
Cloud platforms & infrastructure · Alternatives
Best Union.ai alternatives in India (2026)
Union.ai is a cloud platforms & infrastructure product from Union Systems, Inc., Seattle, priced at On request. We compared 20 alternatives on published price, free plan, platforms and made-in-India support: 8 have a free plan, 2 are built in India.
Quick answer
The closest alternatives to Union.ai are Vast.ai (On request), Huawei Cloud (On request), Epsilla (On request), Vespa (On request) and Confident AI (On request). Epsilla is the top-ranked option with a free plan.
Why businesses look for a Union.ai alternative
There is no free plan
Union.ai has no free tier. 8 alternatives do, which lets you test with real data before you pay.
Indian support and GST
Union.ai is built in United States. 2 alternatives are made in India, where GST, TDS and UPI are usually handled natively and support runs on IST.
Union.ai alternatives compared
Ranked by how closely each product matches Union.ai's category, pricing model, platforms and business size, then by rating. Prices exclude GST.
| # | Software | Starting price | Free plan | Platforms | Made in India | Rating | Compare |
|---|---|---|---|---|---|---|---|
| — | Union.ai (current) | On request | No | Web | No | 4/5 | — |
| 1 | Vast.ai | On request | No | Web | No | 3.9/5 | |
| 2 |  Huawei Cloud | On request | No | Web | No | 3.9/5 | |
| 3 |  Epsilla | On request | Yes | Web | No | 4.3/5 | |
| 4 |  Vespa | On request | Yes | Web | No | 4.3/5 | |
| 5 |  Confident AI | On request | Yes | Web | No | 4.3/5 | |
| 6 |  LangWatch | On request | Yes | Web | No | 4.3/5 | |
| 7 |  Tonic.ai | On request | Yes | Web | No | 4.3/5 | |
| 8 |  Amazon Web Services | Pay as you go | No | Web | No | 4.5/5 | |
| 9 |  Google Cloud Platform | Pay as you go | No | Web | No | 4.5/5 | |
| 10 |  Microsoft Azure | Pay as you go | No | Web | No | 4.5/5 | |
| 11 |  Cerebras | On request | Yes | Web | No | 4.3/5 | |
| 12 |  Neysa | On request | No | Web | Yes | 4.2/5 | |
| 13 |  Alibaba Cloud | Pay as you go | No | Web | No | 4.5/5 | |
| 14 |  IBM Cloud | Pay as you go | No | Web | No | 4.5/5 | |
| 15 |  Scaleway | Pay as you go | No | Web | No | 4.5/5 | |
| 16 |  Traceloop | On request | Yes | Web | No | 4.2/5 | |
| 17 |  Oracle Cloud Infrastructure | Pay as you go | No | Web | No | 4.4/5 | |
| 18 |  Macgence | On request | No | Web | Yes | 4.2/5 | |
| 19 |  Deepchecks | On request | Yes | Web | No | 4.2/5 | |
| 20 |  Exoscale | Pay as you go | No | Web | No | 4.5/5 |
Top 10 Union.ai alternatives in detail
2. Huawei Cloud
Huawei Cloud Computing Technologies Co., Ltd. · Cloud platforms & infrastructure · 3.9/5
Public cloud with compute, storage, database and AI services across 34 regions worldwide.
On request
Free trial
3. Epsilla
Epsilla · Jersey City · Cloud platforms & infrastructure · 4.3/5
AI agent-as-a-service platform for building, deploying and managing enterprise AI agents without coding.
On request
Free plan available
Compared with Union.ai
- Has a free plan — Union.ai does not
4. Vespa
Vespa.ai · Trondheim · Cloud platforms & infrastructure · 4.3/5
AI search platform for vector, text and structured retrieval, recommendations and personalisation at scale.
On request
Free plan available
Compared with Union.ai
- Has a free plan — Union.ai does not
5. Confident AI
Confident AI, Inc. · San Francisco · Cloud platforms & infrastructure · 4.3/5
AI evaluation and observability platform for standardising LLM evals and production monitoring.
On request
Free plan available
Compared with Union.ai
- Has a free plan — Union.ai does not
6. LangWatch
LangWatch · Amsterdam · Cloud platforms & infrastructure · 4.3/5
AI agent testing and evaluation platform with simulations, evals, observability and governance.
On request
Free plan available
Compared with Union.ai
- Has a free plan — Union.ai does not
7. Tonic.ai
Tonic AI, Inc. · San Francisco · Cloud platforms & infrastructure · 4.3/5
Synthetic and de-identified test data platform for software and AI development environments.
On request
Free plan available
Compared with Union.ai
- Has a free plan — Union.ai does not
8. Amazon Web Services
Amazon Web Services · Seattle · Cloud platforms & infrastructure · 4.5/5
Largest cloud platform with Mumbai and Hyderabad regions.
Pay as you go
Free trial
9. Google Cloud Platform
Google · Mountain View · Cloud platforms & infrastructure · 4.5/5
Cloud with Mumbai and Delhi regions.
Pay as you go
Free trial
10. Microsoft Azure
Microsoft · Redmond · Cloud platforms & infrastructure · 4.5/5
Cloud platform with Indian regions.
Pay as you go
Free trial
Union.ai alternatives by what you need
Free Union.ai alternatives
Indian alternatives to Union.ai
How to choose a Union.ai alternative
- Start on a simpler provider unless you need specific managed services.
- Use Indian regions for latency and residency.
- Set budgets and alerts — cloud bills grow silently.
Union.ai alternatives — FAQs
What is the best alternative to Union.ai in 2026?+
The closest matches to Union.ai on App Advisor are Vast.ai (On request), Huawei Cloud (On request), Epsilla (On request). They are ranked by how closely their category, pricing model, platforms and target business size match Union.ai, then by rating. The best choice depends on your team size and budget.
Is there a free alternative to Union.ai?+
Yes. 8 of the 20 alternatives listed have a free plan or are free: Epsilla (On request), Vespa (On request), Confident AI (On request). Free plans usually cap users, records or transactions, so check the limits against your monthly volume.
Is there an Indian alternative to Union.ai?+
Yes. 2 alternatives are built in India, including Neysa (On request), Macgence (On request). Indian products usually handle GST, TDS and UPI natively and bill in rupees.
Union.ai vs Vast.ai: which is better?+
Vast.ai is the closest match to Union.ai in our catalogue. Compare them side by side before you book a demo.
How were these Union.ai alternatives chosen?+
Every product listed sits in cloud platforms & infrastructure or a category Union.ai also covers, and Union Systems, Inc.'s own products are excluded. Prices, free plans and platforms come from each vendor's official website. App Advisor does not sell any of this software.
Free shortlist
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Related alternatives
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