The best OpenAI Playground alternatives
6 tools that do a similar job to OpenAI Playground, 1 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.
You're replacing
OpenAI PlaygroundOpenAI's developer console for testing prompts and settings against its models, with saved prompts and an optimiser.
- 1
OpenRouter
AI tool · Freemium
A unified API and chat room for hundreds of models from many providers, useful for comparing prompts across models.
Best for: Comparing many models with one key; Routing between providers
- 2
TypingMind
AI tool · Paid
A chat front-end for your own API keys that adds a prompt library, agents, plugins and multi-model chat.
Best for: Power users with API keys; Keeping a personal prompt library
- 3
Claude Console
AI tool · Paid
Anthropic's developer console with a Workbench for testing prompts, a prompt generator and improver, and evaluation tools.
Best for: Prototyping prompts for the Claude API; Improving system prompts
- 4
Google AI Studio
AI tool · Freemium
Google's browser workspace for prompting Gemini models, testing multimodal inputs and getting API code.
Best for: Trying Gemini models free; Multimodal prompt experiments
- 5
Open WebUI
AI tool · Open source
A self-hosted chat interface for local and API models with saved prompts, document chat and a community library.
Best for: Running local models with a nice UI; Self-hosted team chat
- 6
LMArena
AI tool · Free
A public arena where you prompt two anonymous models side by side and vote, producing crowd-sourced leaderboards.
Best for: Blind model comparisons; Checking model leaderboards
How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to OpenAI Playground. We don't take payment for placement.