TOOLS
Google AI Studio
Free Gemini API playground and prompt designer
Part of this entry was LLM-drafted and is being polished.
Google AI Studio is the developer-facing front-end for the Gemini API. Free generous quotas for prototyping, supports prompt versioning, system instruction tuning, and multi-modal inputs (long video, audio, screen sharing). Get an API key for free use.
Editor's verdict
Best free tier among the big three labs — by a lot. If you're prototyping a video / audio understanding feature, you can build the whole MVP for free here before any payment. For production, switch to Vertex AI for billing controls. UX is markedly less polished than OpenAI's platform.
Use cases
- free gemini api playground
- prompt design
- video / audio understanding
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Last updated: 2026-04-29