The best Gemini-API alternatives

unsloth

unslothai/unsloth

Local UI to run and train LLMs and diffusion models. Supports GGUF, MLX, Qwen3.8, DeepSeek-V4, MiniMax-H3, Gemma 4, FLUX and more.

Choose unsloth if…

• Apache License 2.0 suits your use better than GNU Affero General Public License v3.0
• you want the more widely starred option (79.0k)
• you specifically need agent or chatgpt

Shares ai, image-generation, llm, python with Gemini-API.

h2o-llmstudio

h2oai/h2o-llmstudio

H2O LLM Studio - a framework and no-code GUI for fine-tuning LLMs. Documentation: https://docs.h2o.ai/h2o-llmstudio/

Choose h2o-llmstudio if…

• Apache License 2.0 suits your use better than GNU Affero General Public License v3.0
• you specifically need chatgpt or fedramp

Shares ai, chatbot, generative-ai, llm with Gemini-API.

langchain

langchain-ai/langchain

The agent engineering platform.

Choose langchain if…

• MIT License suits your use better than GNU Affero General Public License v3.0
• you want the more widely starred option (148.9k)
• you specifically need agents or ai-agents

Shares ai, gemini, generative-ai, llm with Gemini-API.

AstrBot

AstrBotDevs/AstrBot

AI Agent Assistant & development framework that integrates lots of IM platforms, LLMs, plugins and AI feature, and can be your openclaw alternative. ✨

Choose AstrBot if…

• you want the more widely starred option (45.8k)
• you specifically need agent or astrbot

Shares ai, chatbot, gemini, llm with Gemini-API.

langgraph

langchain-ai/langgraph

Build resilient agents.

Choose langgraph if…

• MIT License suits your use better than GNU Affero General Public License v3.0
• you want the more widely starred option (44.4k)
• you specifically need agents or ai-agents

Shares ai, gemini, generative-ai, llm with Gemini-API.

quivr

The-Vibe-Company/quivr

Opiniated RAG for integrating GenAI in your apps 🧠 Focus on your product rather than the RAG. Easy integration in existing products with customisation! Any LLM: GPT4, Groq, Llama. Any Vectorstore: PGVector, Faiss. Any Files. Anyway you want.

Choose quivr if…

• you want the more widely starred option (39.6k)
• you specifically need chatgpt or database

Shares ai, api, chatbot, llm with Gemini-API.

remove-ai-watermarks

wiltodelta/remove-ai-watermarks

Remove visible and invisible AI watermarks and provenance metadata from images and video. Python library and CLI for SynthID, C2PA, EXIF, IPTC, XMP, and common generative-AI marks.

Choose remove-ai-watermarks if…

• Apache License 2.0 suits your use better than GNU Affero General Public License v3.0
• you want the more widely starred option (6.3k)
• you specifically need ai-watermark or c2pa

Shares gemini, generative-ai, nano-banana, python with Gemini-API.

AdalFlow

SylphAI-Inc/AdalFlow

AdalFlow: The library to build & auto-optimize LLM applications.

Choose AdalFlow if…

• MIT License suits your use better than GNU Affero General Public License v3.0
• you specifically need agent or auto-prompting

Shares ai, chatbot, generative-ai, llm with Gemini-API.

core

cheshire-cat-ai/core

AI agent microservice

Choose core if…

• GNU General Public License v3.0 suits your use better than GNU Affero General Public License v3.0
• you want something your agent can install directly rather than a library to wire up yourself
• you specifically need ag-ui-protocol or agent

Shares ai, chatbot, llm, python with Gemini-API.

khoj

khoj-ai/khoj

Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous AI (gpt, claude, gemini, llama, qwen, mistral). Get started - free.

Choose khoj if…

• you want the more widely starred option (38.0k)
• you specifically need agent or assistant

Shares ai, image-generation, llm with Gemini-API.

AionUi

iOfficeAI/AionUi

Open-source 24/7 Cowork app for OpenClaw, Hermes, Claude Code, Codex, OpenCode and 20+ more CLI Agent | Customize your assistants | Team them up｜Star if you like it!

Choose AionUi if…

• you would rather work in TypeScript than Python
• Apache License 2.0 suits your use better than GNU Affero General Public License v3.0
• you want something your agent can install directly rather than a library to wire up yourself
• you want the more widely starred option (34.0k)

Shares ai, chatbot, gemini, llm with Gemini-API.

repomix

yamadashy/repomix

📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.

Choose repomix if…

• you would rather work in TypeScript than Python
• MIT License suits your use better than GNU Affero General Public License v3.0
• you want the more widely starred option (29.1k)
• you specifically need anthropic or artificial-intelligence

Shares ai, chatbot, gemini, generative-ai with Gemini-API.