Custom LLM Fine-Tuning

    Train AI Models That Speak Your Language

    Large language models fine-tuned on your proprietary data to deliver domain-specific accuracy, use your terminology, and follow your output standards.

    Trusted by the world's most innovative teams

    Insureco
    Binddesk
    Infosys
    Moglix

    What We Build

    Model Training and Fine-Tuning for Your Domain

    We adapt foundation models to your domain, data, and quality standards for superior performance on the tasks that matter.

    Supervised Fine-Tuning (SFT)

    Train models on curated instruction-response pairs built from your documents, support tickets, and expert knowledge.

    RLHF and Preference Alignment

    Align model outputs with human preferences through structured feedback loops and optimization.

    LoRA and QLoRA Adaptation

    Train lightweight adapters on top of base models that can be swapped per use case, versioned, and deployed without modifying the original model.

    Instruction Tuning

    Teach models to follow complex, multi-step instructions specific to your task formats, constraints, and workflows.

    Domain Adaptation

    Continued pre-training on your domain corpus for deep understanding of specialized terminology in healthcare, legal, finance, and more.

    Model Evaluation and Benchmarking

    Automated metrics, domain-specific benchmarks, and human review to measure accuracy, hallucination rates, and latency.

    Dataset Curation and Augmentation

    Build, clean, and expand training datasets with quality filtering, deduplication, and data augmentation.

    Model Distillation

    Transfer knowledge from large models into smaller, faster ones - 80-90% of the performance at a fraction of the inference cost.

    Turn Your Data Into an AI Advantage

    Let us fine-tune a model that understands your business better than any general-purpose LLM ever will.

    Why Fine-Tune

    Why Fine-Tune Your Models

    Fine-tuning transforms a general-purpose LLM into a specialist that consistently outperforms prompt engineering and RAG alone on your highest-value tasks.

    Higher Accuracy on Domain Tasks
    Fine-tuned models learn the patterns, terminology, and reasoning specific to your field. They produce correct answers more often and require less prompt engineering to stay on track.
    Lower Latency and Faster Responses
    Smaller fine-tuned models generate responses faster than sending verbose prompts to larger models. Your users get answers in milliseconds instead of seconds.
    Cost Reduction Through Smaller Models
    A fine-tuned 7B or 13B parameter model can match or beat a general-purpose 70B model on your specific tasks. That means lower compute costs per request and significant savings at scale.
    Competitive Advantage From Proprietary AI
    Your fine-tuned model encodes institutional knowledge that competitors cannot replicate. It becomes a defensible asset that improves with every iteration of your data.
    Compliance-Ready Output Controls
    Train models to follow regulatory guidelines, avoid restricted topics, and produce outputs that meet your compliance requirements by default, without relying on prompt guardrails.
    Consistent, Predictable Outputs
    Fine-tuned models produce outputs in your required format, tone, and structure every time. No more inconsistent responses that need post-processing or manual correction.

    Smaller Models. Better Results. Lower Costs.

    Our fine-tuning expertise helps enterprises cut inference costs by up to 80% while improving accuracy on domain-specific tasks.

    How We Work

    How We Fine-Tune Your Models

    An iterative approach to building fine-tuned models that measurably outperform baseline LLMs on your tasks.

    1. Data Collection and Preparation

    We audit your existing data sources, extract training examples, clean and format them into instruction-response pairs, and establish quality standards. We also identify gaps and generate synthetic data where needed.

    2. Baseline Evaluation

    We benchmark the base model on your tasks using your evaluation criteria. This establishes a clear performance baseline so we can measure exactly how much fine-tuning improves results.

    3. Fine-Tuning Experiments

    We run controlled experiments across hyperparameters, training strategies, and data mixtures. Each run is tracked with full experiment logging so we can identify the optimal configuration.

    4. Evaluation and Benchmarking

    We test the fine-tuned model against your baseline using automated metrics, domain-specific benchmarks, and human evaluation. We measure accuracy, hallucination rates, format compliance, and edge case handling.

    5. Deployment and Monitoring

    We deploy the validated model to your infrastructure with inference optimization, set up monitoring for quality drift, and establish a feedback loop for continuous improvement with new data.

    Technology Stack

    Fine-Tuning Tools and Infrastructure

    We use production-grade frameworks and infrastructure to fine-tune, evaluate, and deploy custom models at enterprise scale.

    Hugging Face
    Hugging Face
    OpenAI Fine-Tuning API
    OpenAI Fine-Tuning API
    Fine-Tuning Frameworks
    Hugging Face OpenAI Fine-Tuning APIAxolotlUnslothTRL (Transformer RL)

    Purpose-built libraries for efficient LLM fine-tuning with LoRA, QLoRA, and full-parameter training on single and multi-GPU setups.

    Mistral / Mixtral
    Mistral / Mixtral
    OpenAI GPT
    OpenAI GPT
    Google Gemini
    Google Gemini
    Base Models
    Mistral / MixtralOpenAI GPTGoogle GeminiLlama 3 / 3.1Gemma 2Phi-3Qwen 2.5

    We select the right foundation model based on your task complexity, licensing requirements, deployment constraints, and budget.

    AWS SageMaker
    AWS SageMaker
    Azure ML
    Azure ML
    Google Vertex AI
    Google Vertex AI
    Training Infrastructure

    Cloud GPU platforms optimized for LLM training workloads with spot instance support and cost management.

    MLflow
    MLflow
    Weights & Biases
    Weights & Biases
    vLLM
    vLLM
    MLOps, Evaluation, and Deployment
    MLflow Weights & BiasesvLLMlm-eval-harnessRagasDVCTensorRT-LLM

    Track experiments, evaluate model quality, and deploy with high-throughput inference servers.

    FAQ

    Frequently Asked Questions

    Common questions about LLM fine-tuning, when to use it, and what to expect.

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