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ಎಲ್ಲಾ ಕೌಶಲ್ಯಗಳು

Fine-tuning LLMs Expert

⬢ ಶ್ರೇಣಿ 3ತಾಂತ್ರಿಕ
ಹೆಚ್ಚು
ಸಂಬಳದ ಮೇಲಿನ ಪರಿಣಾಮ
3 ತಿಂಗಳುಗಳು
ಕಲಿಯಲು ಬೇಕಾದ ಸಮಯ
ಕಠಿಣ
ಕಷ್ಟ
7
ವೃತ್ತಿಗಳು
ಒಂದು ನೋಟದಲ್ಲಿ

Fine-tuning customizes pre-trained LLMs for specific tasks: medical coding, legal contracts, customer support. Full fine-tuning updates all weights (expensive, 100k+ labeled examples needed). Parameter-efficient methods (LoRA, QLoRA, adapters) update <5% of weights (thousands of examples suffice). Specialists earn 25-40% premium because fine-tuned models often outperform prompt engineering on narrow tasks and reduce API costs 5-10x. Learning: 3-4 weeks for LoRA, 8-12 weeks for advanced techniques and production systems.

Fine-tuning LLMs Expert ಎಂದರೇನು

Fine-tuning adapts pre-trained large language models to specialized domains or tasks. Instead of using GPT-4 for everything (expensive, generic), you fine-tune a smaller, cheaper model (Llama 2, Mistral, Qwen) on your domain data (medical records, legal documents, customer tickets). The result: domain-specific accuracy + lower cost. Parameter-Efficient Fine-Tuning (PEFT) methods like LoRA dramatically reduce the cost and data requirements. Instead of updating 70B parameters, you update 1B parameters in low-rank matrices. Now fine-tuning requires thousands of examples instead of millions, fits on consumer GPUs, and runs in hours instead of days.

🔧 ಪರಿಕರಗಳು ಮತ್ತು ಪರಿಸರ ವ್ಯವಸ್ಥೆ
Hugging Face TransformersLoRA (Low-Rank Adaptation)QLoRA (Quantized LoRA)PyTorchUnsloth (fast fine-tuning)Weights & Biases (experiment tracking)PEFT (Parameter-Efficient Fine-Tuning)Evaluation frameworks (BLEU, ROUGE, custom metrics)

💰 ಪ್ರದೇಶವಾರು ಸಂಬಳ

ಪ್ರದೇಶಜೂನಿಯರ್ಮಧ್ಯಮಸೀನಿಯರ್
USA$95k$165k$250k
UK£55k£95k£150k
EU€60k€105k€165k
CANADAC$100kC$175kC$265k

❓ FAQ

Should I fine-tune or use prompt engineering?
Prompt engineering if task is simple (classification, summarization) and you have <100 examples. Fine-tune if task is domain-specific and accuracy matters (legal, medical, scientific). Fine-tuned 7B model often beats GPT-4 prompting on narrow tasks. Cost: prompt engineering is pay-per-call; fine-tuning has upfront cost but amortizes over 1M inferences.
What's the difference between full fine-tuning and LoRA?
Full: update all weights (60B+ parameters for large models). LoRA: update only 0.1-1% of weights via low-rank matrices. LoRA is 10-100x faster, fits on smaller GPUs, easier to deploy multiple LoRAs. Trade: full fine-tuning may be slightly more accurate, but LoRA is practical for most use cases.
How many labeled examples do you need?
LoRA: 500-5000 high-quality examples. Full fine-tuning: 50k+ examples. Rule of thumb: if you have <500 examples, stick with few-shot prompting. If 500-10k, use LoRA. If 50k+, consider full fine-tuning.
How do you evaluate if fine-tuning worked?
Compare fine-tuned vs baseline (original model or prompt) on held-out test set (300+ examples). Measure task-specific metrics (accuracy, F1, BLEU, ROUGE). Also measure inference cost and latency. Best model = highest accuracy + lowest cost.
Can you deploy a fine-tuned model cheaply?
Yes. Deploy base model + LoRA weights (10-100MB). Load base once, swap LoRA adapters. Or merge LoRA into base (one model file, but loses flexibility). Inference cost on consumer GPU: $0.01 per 1k tokens. Cheaper than API.

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