Free embedding & image APIs (2026)

Embeddings, rerankers and image generation or hosting with a free quota. 4 providers, each with the free-tier text from its official pricing page and the date we checked it.

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4 free embedding & image APIs compared

Voyage AI Embeddings

Checked on 17 Oct 2026

Free tier: First 200 million tokens free per account for voyage-4-large, voyage-4, voyage-4-lite, voyage-context-4, voyage-code-4; 50M free for voyage-finance-2/law-2/code-2; free tokens/pixels also on multimodal models and free tokens on rerank-2/2-lite. Not for Batch API or older models.

  • Auth: API key (Bearer)
  • Serving public users: Yes (one-time free allotment, then paid).
  • Source: docs.voyageai.com

Jina AI Embeddings / Reranker

Checked on 17 Oct 2026

Free tier: "Start with a free trial"; free API key with lower rate limits than paid. Free token amount not stated in static page text: unknown. jina-embeddings-v4 is free but non-commercial (Qwen Research License).

  • Auth: API key (Bearer)
  • Serving public users: Check model license; v4 non-commercial.
  • Source: jina.ai

Stability AI Platform API

Checked on 17 Oct 2026

Free tier: 25 free credits at signup (1 credit = $0.01); e.g. Stable Image Ultra costs 8 credits per image.

  • Auth: API key (Bearer)
  • Serving public users: Yes (paid after credits).
  • Note: One-time credits.
  • Source: platform.stability.ai

Cloudinary

Checked on 17 Oct 2026

Free tier: Free plan "free forever", no credit card: 25 monthly credits, 3 users / 1 account; upload, transformations, CDN delivery, free add-ons.

  • Auth: API key + secret (signed requests) / unsigned upload presets
  • Serving public users: Yes.
  • Note: Includes AI background removal etc. as add-ons (separate quotas).
  • Source: cloudinary.com

Each free tier was read from the provider’s official pricing or limits page on 17 Oct 2026 and is linked as the source. Anything the page does not state is written as unknown. Free tiers change often, so confirm before you build on one.