LLM Reference
21 playgrounds16 with a free path0 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.

Current playground filter

Model
Claude Sonnet 4.6
Access
Free path only
Matches
2 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 Sonnet 4.6

2 of 21 shown

AI SDK Playground

Vercel

freeFree pathProvider match

Vercel AI SDK playground for comparing providers through the AI SDK.

Microsoft Copilot

Microsoft

freeFree pathProvider match

Microsoft Copilot web chat with search, code assistance, and image generation features.