AI SDK alternatives
6 coding tools in the same lane as AI SDK, ranked by editorial score.
LB
LLM by Datasette
Coding · Multi-model
7.2
A CLI and Python library for running prompts against any LLM provider and logging everything to SQLite.
Free· Free and open source (Apache 2.0); pay underlying model providers separatelycli-promptingprompt-logging
CB
Chatbot by Vercel
Coding · Provider-agnostic via the Vercel AI SDK (OpenAI, Anthropic, Google, xAI, Groq, Mistral, and others configurable)
Open-source Next.js chatbot template built on the Vercel AI SDK
Free· Free and open-source (MIT-style). Users cover their own hosting costs (e.g. Vercel plan) and AI provider API usage.Internal engineering copilotCustomer-facing support chatbot
OP
OpenRouter
Coding · Multi-model
7.3
Unified API gateway to 400+ LLMs from 70+ providers, with one OpenAI-compatible endpoint and automatic failover.
Freemium· Pay-as-you-go credits; sample packs $10 and $99; some free-tier models availablellm-routingmulti-model-access
AM
AI/ML API
Coding · Multi-model (GPT, Claude, Gemini, Grok, Nemotron, Qwen, etc.)
6.9
Unified API gateway exposing 500+ AI models behind one OpenAI-compatible endpoint.
Freemium· Pay-as-you-go from $20 prepaid credit; enterprise custommulti-model-routingprototyping
OP
OpenCode
Coding · Multi-model (Claude, GPT, Gemini, local models, 75+ providers)
7.0
Open-source AI coding agent that runs in your terminal, IDE, or desktop and talks to 75+ LLM providers.
Freemium· Free and open source; optional paid Zen service for curated coding modelsai-pair-programmingterminal-coding-agent
GS
GitHub Spec Kit
Coding · Multi-model
6.9
Open-source toolkit that forces AI coding agents through a Spec to Plan to Tasks to Implement workflow.
Free· Free and open-source (MIT)spec-driven-developmentai-coding-agents