Criterion Gemini API and Google AI Studio GroqCloud
CategoryLLM APIs & Model PlatformsInference & Model Hosting
In one sentenceGoogle's developer API for Gemini models, with a free tier in Google AI Studio and paid tiers for production.Low-latency inference API for open models running on Groq's LPU hardware.
Problem it solvesGetting started with a capable multimodal model cheaply, and scaling to production on the same API.Getting fast responses from open models for real-time apps without hosting them.
Free planYesYes
Developer APIYes — docsYes — docs
Open sourceNoNo
PlatformsWeb (Google AI Studio), REST APIWeb (Groq console), REST API
Pricing (summary)Free tier for many Flash and Flash-Lite models with lower rate limits. Paid usage is per 1M tokens: Gemini 4 Argon $2 input / $10 output through Nov 30, 2026 (then $4 / $20); Gemini 3.8 Flash $0.75 / $3.75 through Dec 31, 2026 (then $1.50 / $7.50); Gemini 3.5 Flash-Lite $0.30 / $2.50. Batch is about half price.
Checked 2026-10-19
Free plan with rate limits, then usage-based pricing per 1M tokens on the Developer plan. For example, openai/gpt-oss-120b is $0.15 input / $0.60 output and gpt-oss-20b $0.075 / $0.30; some models are contact-sales.
Checked 2026-10-19
Strengths
  • Genuine free tier documented by Google
  • Very low Flash-Lite prices
  • Broad set of multimodal and speech models
  • Speed-focused hardware
  • Free entry point
  • Simple per-token prices for gpt-oss models
Limitations
  • Free-tier content is used to improve Google products
  • Free-tier rate limits are not published per model on the docs page
  • Several prices are introductory and scheduled to rise (Argon from Dec 1, 2026; 3.8 Flash from Jan 1, 2027)
  • Several models list pricing as 'Contact Sales'
  • Free-plan limits not published in docs
  • Preview models may be discontinued at short notice