Sagar Sarkale

ai founder · consultant · engineer

I've trained LLMs from scratch, built agentic systems that ship, and optimized inference pipelines that run in production — served and supported 20M+ user base.

Currently building QuickCall.

Previously built India's first competitive Marathi LLM.
covered by YourStory, Moneycontrol & ARB Podcast

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What I Built

quickcall.dev

current

Founder

contextual memory for agentic engineering teams — captures what ships, loads what matters. used across Claude Code, Cursor, Codex, Gemini CLI.

quickcall.dev

misal — marathi llm

shipped 2023 – 2024

Founder, smallstep.ai

india's first competitive marathi llm. 7B & 1B params trained on 2B+ tokens. custom tokenizer that fixed llama's 3-5x inefficiency. beat gpt-3.5 on reading comprehension. open-sourced everything.

smallstep.aihuggingfacedeep dive

Consulting

Yral2025
RAG moderation +26% accuracy, 150 tok/sec inference, real-time recs at scale2025
People+AI2024
designed india's first standardized LLM leaderboard across 22 languages2024
Medpiper2024
10x medical document processing (10 min → 1 min)2024
Tekion (2022–23)Pratilipi (2020–22)·full history

Writing

#Foundations3 posts

RNNs → LSTMs → Transformers. the learning-from-scratch track.

#Transformers6 posts

attention, position encoding, KV caching, BLT, multimodal.

#MCP3 posts

model context protocol — primitives to elicitation. 3-part series.

#Deep Dives9 posts

long-form breakdowns — vectorDB, LoRA, BLT, KV caching.

all posts →