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Speech vs llama_index

Speech and llama_index share 5 technologies: matplotlib, torch, scikit-learn, jinja2, and boto3. Both are written in Python.

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What they share and what sets them apart

NVIDIA-NeMo

Speech

A scalable generative AI framework built for researchers and developers working on Large Language Models, Multimodal, and Speech AI (Automatic Speech Recognition and Text-to-Speech)

Python18.7kRead on November 6, 2026, at commit 9b3fc48What is Speech built with?

Only in Speech

In common

run-llama

llama_index

LlamaIndex is the document processing platform for AI

Python52.8kRead on November 5, 2026, at commit 444fdf0What is llama_index built with?

Only in llama_index

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
Speech564,931 lines written809 code files
llama_index473,236 lines written2,055 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
Speech0.9% of its commits signed by AIWith Claude Code, GitHub Copilot, Cursor, and Codex
llama_index0.2% of its commits signed by AIWith Claude Code, Cursor, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
SpeechLast push November 5, 20269,049 commits18,708 stars
llama_indexLast push November 5, 20267,963 commits52,820 stars
TestsThe files that test the code, and the share of code files a test imports.
Speech555 test files50.4% of its code files have a test that imports them
llama_index1,607 test files46.5% of its code files have a test that imports them

Frequently asked questions

Which is bigger, Speech or llama_index?
Speech, with 564,931 lines written; llama_index has 473,236.

The proof: NVIDIA-NeMo/Speech's code at commit 9b3fc48

Which has more GitHub stars, Speech or llama_index?
llama_index, with 52,820 stars; Speech has 18,708.

The proof: run-llama/llama_index on GitHub

Which has more tests, Speech or llama_index?
llama_index, with 1,607 test files; Speech has 555.

The proof: run-llama/llama_index's code at commit 444fdf0

Which was updated more recently, Speech or llama_index?
Both got their last push on November 5, 2026.

The proof: NVIDIA-NeMo/Speech's commits on GitHub

Which has more commits signed by AI, Speech or llama_index?
Speech: an AI signed 0.9% of its commits, with Claude Code, GitHub Copilot, Cursor, and Codex; in llama_index, 0.2%.

The proof: the commits each tool signed in NVIDIA-NeMo/Speech

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