AI Architecture

BharatGen, Krutrim & Sarvam AI: The Complete Guide to Indian AI Models for Enterprise Architects

A comprehensive, architect-level guide to India's emerging sovereign AI model ecosystem โ€” covering BharatGen, Krutrim, Sarvam AI, and IndicBERT, with deployment guidance, capability comparison, and a decision framework for enterprise adoption.

Swaran Soft AI Architecture TeamMarch 202510 min read

India's AI Model Ecosystem: From Research to Production

Two years ago, the question "which Indian AI model should we use?" had a simple answer: there were no production-ready Indian AI models. Enterprise architects defaulted to OpenAI, Anthropic, or Google โ€” accepting the data sovereignty trade-offs, the dollar-denominated costs, and the language limitations as unavoidable constraints.

In 2025, that answer has changed fundamentally. India now has a genuine sovereign AI model ecosystem โ€” not just research prototypes, but production-ready models deployed at scale across enterprise, government, and consumer applications. Sarvam AI's Saarika and Bulbul models are running in production at Indian banks, NBFCs, and healthcare providers. Krutrim is powering Ola's consumer AI products. BharatGen, backed by IIT Bombay and the Government of India, is the foundation for public sector AI applications. AI4Bharat's IndicBERT and IndicBART are embedded in document processing pipelines across hundreds of Indian enterprises.

For enterprise architects, this creates a new and genuinely complex decision: which Indian model (or combination of models) is right for which use case? This guide answers that question with the depth and specificity that enterprise architecture decisions require.

Why Indian Models Matter: The Three Structural Advantages

Before diving into the model comparison, it is worth being precise about why Indian sovereign models matter for enterprise deployments โ€” beyond the obvious data sovereignty argument.

The first advantage is language accuracy. Indian languages are not just different vocabularies โ€” they have fundamentally different grammatical structures, scripts, phonetic systems, and cultural contexts. A model trained primarily on English-language internet data will have systematically lower accuracy on Indian language tasks than a model trained on curated, high-quality Indian language corpora. For customer-facing AI, this accuracy gap translates directly into customer experience and transaction completion rates.

The second advantage is cost structure. Indian models, particularly those deployed on-premise or on Indian cloud infrastructure, have a fundamentally different cost structure than US-based API models. At scale, the difference is not marginal โ€” it is an order of magnitude. An enterprise processing 10 million customer interactions per month on GPT-4o API would spend approximately โ‚น3โ€“8 crore per month. The same workload on Sarvam AI deployed on-premise would cost โ‚น20โ€“60 lakh per month โ€” a 5โ€“10x cost reduction.

The third advantage is regulatory alignment. India's Digital Personal Data Protection Act 2023, RBI's data localisation guidelines, IRDAI's data governance requirements, and SEBI's cloud guidelines all create compliance obligations that are significantly easier to meet with Indian models deployed on Indian infrastructure. The compliance cost of using foreign cloud AI โ€” legal review, data processing agreements, cross-border transfer mechanisms โ€” is often underestimated in the initial business case.

The Five Models You Need to Know

Sarvam AI (Saarika + Bulbul)

Sarvam AI (Bengaluru) ยท LLM + Voice AI
Production-ready
Languages
22 Indian languages + English
Deployment
On-premise, Indian cloud (AWS Mumbai, Azure India)
Strengths: Best-in-class Indian language accuracy, voice AI (Bulbul), enterprise support, DPDP-compliant
Limitations: Smaller context window than Claude; reasoning quality below GPT-4o for complex tasks
Best for: Customer-facing AI, voice IVR, WhatsApp AI, compliance-critical workloads

Krutrim (Ola AI)

Ola AI (Bengaluru) ยท LLM
Early production
Languages
20+ Indian languages + English
Deployment
Krutrim Cloud (India), API access
Strengths: Strong Hindi and South Indian language support, Ola ecosystem integration, Indian cloud native
Limitations: Limited enterprise support ecosystem; fine-tuning options restricted; newer model family
Best for: Consumer-facing applications, mobility and logistics AI, Hindi-first workloads

BharatGen

IIT Bombay + Government of India ยท Multimodal LLM
Research + early production
Languages
22 scheduled languages + English
Deployment
On-premise, government cloud (NIC, MeitY empanelled providers)
Strengths: Government-backed, open research, multimodal (text + image), designed for public sector
Limitations: Research-stage for many capabilities; limited commercial support; smaller parameter count
Best for: Government AI, public sector applications, research, education

IndicBERT / IndicBART

AI4Bharat (IIT Madras) ยท Encoder / Seq2Seq
Production-ready (specific tasks)
Languages
All 22 scheduled languages
Deployment
On-premise, any cloud
Strengths: Mature, well-documented, strong for classification and NER tasks, open weights
Limitations: Not a generative LLM; limited for conversational AI; requires task-specific fine-tuning
Best for: Text classification, NER, sentiment analysis, document processing in Indian languages

Dhruva (Sarvam AI)

Sarvam AI ยท Speech-to-Text + TTS
Production-ready
Languages
9 Indian languages (expanding)
Deployment
On-premise, API
Strengths: Best ASR accuracy for Indian languages, real-time transcription, low latency
Limitations: Speech-only (not a general LLM); language coverage still expanding
Best for: Call centre transcription, voice AI, meeting notes, field worker voice input

The Enterprise Decision Framework

The following matrix maps common enterprise use cases to the recommended Indian AI model, with the primary rationale for each recommendation. This is based on real deployment experience across Swaran Soft's enterprise client base.

Enterprise ScenarioRecommended ModelPrimary Rationale
Customer service AI in Hindi/Tamil/TeluguSarvam AI (Saarika)Language accuracy + on-premise + enterprise support
Voice IVR for call centre (Indian languages)Sarvam AI (Bulbul + Dhruva)Best ASR + TTS accuracy in Indian languages
Government citizen service portalBharatGen + IndicBERTGovernment-backed, all 22 languages, public sector compliance
Consumer app (Hindi-first, mobility/logistics)KrutrimStrong Hindi, Ola ecosystem, Indian cloud
Document classification (Indian language docs)IndicBERT (fine-tuned)Mature, proven, task-specific accuracy
Complex reasoning + long documentsClaude 3.5 Sonnet (hybrid)Indian model for data, Claude for reasoning layer
On-premise general enterprise AISarvam AI + Mistral 7BIndian language + general capability, fully on-premise
WhatsApp AI (regional languages)Sarvam AI (Saarika)Language + cost + DPDP compliance

The Hybrid Architecture: Indian Models + Global LLMs

The most sophisticated enterprise AI architectures in India in 2025 are not choosing between Indian models and global LLMs โ€” they are using both in a hybrid architecture that routes tasks to the right model based on language, complexity, compliance requirements, and cost.

A typical hybrid architecture: Sarvam AI handles all customer-facing, language-sensitive, and compliance-critical workloads (running on-premise or on Indian cloud). Mistral 7B, fine-tuned on internal knowledge bases, handles employee-facing assistants and internal automation. Claude 3.5 Sonnet, accessed via API for low-volume, high-complexity tasks like legal review and strategic research, handles the cases where quality justifies the cost and compliance trade-off.

This architecture is what Swaran Soft implements through its Agentic AI platform โ€” a model-agnostic orchestration layer that routes tasks intelligently across the model portfolio. The result is typically 60โ€“75% lower AI operating costs compared to a single-model GPT-4o deployment, with better language accuracy and full DPDP compliance.

What to Do Next

If you are evaluating Indian AI models for an enterprise deployment, the right next step is a structured model selection workshop โ€” not more benchmark reading. Benchmarks are useful but they do not capture the deployment realities, compliance constraints, and use-case-specific accuracy requirements that determine which model is right for your organisation.

Swaran Soft offers a free 60-minute Indian AI Model Selection Workshop for enterprise teams. In that session, our architects will map your top 5 use cases against the Indian model landscape, identify compliance constraints, and propose a deployment architecture with a cost model.

Book a Free Indian AI Model Selection Workshop

60 minutes. We map your use cases to the right Indian AI model stack โ€” covering language, compliance, cost, and deployment architecture.