LLM Reference
22 playgrounds16 with a free path17 with model coverage

Try a model before you wire it into the stack.

Model playgrounds filtered by listed support, provider match, and free-tier availability.

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Claude Opus 4.7
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11 playgrounds
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GPT-5.5Claude Opus 4.7Claude Sonnet 4.6Gemini 3.1 Flash-LiteGrok 4DeepSeek V3.2 Speciale
All accessFree pathBuilder tools

Playgrounds for Claude Opus 4.7

11 of 22 shown

Google AI Studio
Provider match
Anthropic Workbench
Provider match
OpenAI Playground
Provider match
Azure AI Studio
Provider match
AWS Bedrock Playground
Provider match
Poe

Quora

freemiumFree pathListed support

Quora's multi-model AI platform giving one subscription access to 100+ assistants from OpenAI, Anthropic, Google, Meta, DeepSeek and community creators, with custom bot creation.

GPT-4.1o3 / o4-miniClaude (latest Sonnet/Opus)Gemini 2.5+3
Vercel AI Playground

Vercel

freeFree pathListed support

Developer-focused playground with model comparison tools, code generation examples, and Vercel ecosystem integration.

OpenAI modelsAnthropic modelsCohere modelsHugging Face models
Perplexity

Perplexity AI

freemiumFree pathListed support

Web search-integrated AI playground with source citations and multiple AI modes (Copilot, Research, Writing).

Perplexity proprietaryClaude integrationGPT-4 (premium)
Microsoft Copilot

Microsoft

freeFree pathListed support

Microsoft's integrated AI playground with web search, image generation (DALL-E), and code assistance.

GPT-4GPT-4 TurboMicrosoft proprietary models
Anthropic Console

Anthropic

apiListed support

Anthropic's API console with prompt engineering tools, token counting, and batch processing capabilities.

Claude 3 OpusClaude 3 SonnetClaude 3 Haiku
LM Studio

LM Studio

desktopFree pathListed support

Desktop application for local LLM inference with model management and chat interface.

GGUF format modelsLlama variantsMistral variantsPhi models