
1. Semantic Kernel
Microsoft · Redmond · AI agent & LLM development platforms · 4.5/5
SDK for AI orchestration.
Free
Free plan available
Free, independent software advice for Indian businesses
For software companies: reach Indian businesses ready to buy

AI agent & LLM development platforms · Alternatives
Vercel AI SDK is an ai agent & llm development platforms product from Vercel, San Francisco, priced at Free with a free plan. We compared 20 alternatives on published price, free plan, platforms and made-in-India support: 13 have a free plan, 3 are built in India.
Quick answer
The closest alternatives to Vercel AI SDK are Semantic Kernel (Free), Portkey (Free plan), Botpress AI (Free plan), Stack AI (Free plan) and Braintrust (Free plan). Semantic Kernel is the top-ranked option with a free plan.
Indian support and GST
Vercel AI SDK is built in United States. 3 alternatives are made in India, where GST, TDS and UPI are usually handled natively and support runs on IST.
Ranked by how closely each product matches Vercel AI SDK'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 |
|---|---|---|---|---|---|---|---|
| — | Vercel AI SDK (current) | Free | Yes | Web | No | 4.5/5 | — |
| 1 | Semantic Kernel | Free | Yes | Web | No | 4.5/5 | |
| 2 | Portkey | Free plan | Yes | Web | Yes | 4.5/5 | |
| 3 | Botpress AI | Free plan | Yes | Web | No | 4.5/5 | |
| 4 | Stack AI | Free plan | Yes | Web | No | 4.4/5 | |
| 5 | Braintrust | Free plan | Yes | Web | No | 4.3/5 | |
| 6 | Modal | Free plan | Yes | Web | No | 4.3/5 | |
| 7 | Jina AI | Free plan | Yes | Web | No | 4.3/5 | |
| 8 | OpenAI API | Pay as you go | No | Web | No | 4.4/5 | |
| 9 | Google Vertex AI | Pay as you go | No | Web | No | 4.4/5 | |
| 10 | Guardrails AI | Free plan | Yes | Web | No | 4.3/5 | |
| 11 | Wysa | Free plan | Yes | Web | Yes | 4.4/5 | |
| 12 | Together AI | Pay as you go | No | Web | No | 4.4/5 | |
| 13 | Free plan | Yes | Web | No | 4.3/5 | ||
| 14 | Fireworks AI | Pay as you go | No | Web | No | 4.4/5 | |
| 15 | Pay as you go | No | Web | Yes | 4.5/5 | ||
| 16 | Mistral AI Platform | Pay as you go | No | Web | No | 4.3/5 | |
| 17 | Mindsdb | Free plan | Yes | Web | No | 4.2/5 | |
| 18 | Dust | Free plan | Yes | Web | No | 4.2/5 | |
| 19 | Smallest.ai | Free plan | Yes | Web | No | 4.2/5 | |
| 20 | Vapi | Pay as you go | No | Web | No | 4.3/5 |

Microsoft · Redmond · AI agent & LLM development platforms · 4.5/5
SDK for AI orchestration.
Free
Free plan available

Portkey · Bengaluru · AI agent & LLM development platforms · 4.5/5
AI gateway and observability built in Bengaluru.
Free plan
Free plan available
Compared with Vercel AI SDK

Botpress · Quebec City · AI agent & LLM development platforms · 4.5/5
AI agent platform.
Free plan
Free plan available

Free plan
Free plan available

Free plan
Free plan available

Modal · New York · AI agent & LLM development platforms · 4.3/5
Serverless AI infrastructure.
Free plan
Free plan available

Jina AI · Berlin · AI agent & LLM development platforms · 4.3/5
Embeddings and search foundation.
Free plan
Free plan available

OpenAI · San Francisco · AI agent & LLM development platforms · 4.4/5
GPT models and tools via API.
Pay as you go
Free trial
Compared with Vercel AI SDK

Google · Mountain View · AI agent & LLM development platforms · 4.4/5
ML and generative AI platform.
Pay as you go
Free trial
Compared with Vercel AI SDK

Guardrails · Menlo Park · AI agent & LLM development platforms · 4.3/5
LLM output validation.
Free plan
Free plan available
The closest matches to Vercel AI SDK on App Advisor are Semantic Kernel (Free), Portkey (Free plan), Botpress AI (Free plan). They are ranked by how closely their category, pricing model, platforms and target business size match Vercel AI SDK, then by rating. The best choice depends on your team size and budget.
Yes. 13 of the 20 alternatives listed have a free plan or are free: Semantic Kernel (Free), Portkey (Free plan), Botpress AI (Free plan). Free plans usually cap users, records or transactions, so check the limits against your monthly volume.
Yes. 3 alternatives are built in India, including Portkey (Free plan), Wysa (Free plan), E2E TIR (Pay as you go). Indian products usually handle GST, TDS and UPI natively and bill in rupees.
Semantic Kernel is the closest match to Vercel AI SDK in our catalogue. Compare them side by side before you book a demo.
Every product listed sits in ai agent & llm development platforms or a category Vercel AI SDK also covers, and Vercel'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.
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