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Stability AI API Pricing and Free Trial

If you plan to integrate Stability AI into a product, the key questions are API credits, rate limits, pricing stability, and access options.

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Quick verdict

Free tier: 25 free credits on signup.
Free API trial: 25 free credits on signup
Access: relay or proxy may be needed
Best for: image / api

Models and limits

Model	Context	Limit	Notes
stable-image-core	`image generation`	`Credit-based; check dashboard`	Good starting point for Stable Image API tests.

Free API credits

Yes

25 free credits on signup · Credit-based image/video generation; check Stability platform dashboard

Stability AI Platform exposes Stable Image/SD APIs with 25 signup credits. Start with small image tests before scaling paid generation.

Access notes

Proxy may be needed

Test dashboard, billing, and image API latency from mainland China; keep an image-generation fallback for production.

If multiple provider keys become painful, compare official providers, API gateways, and alternatives.

Recommended path

Start from the main Stability AI profile and confirm whether it fits your task.

Create an API key after signup and use the 25 free credits on signup first.

Run one or two real tasks before paying or switching providers.

If access is unstable, compare relay options or local alternatives.

Production decision checks

Production budget

Stability AI free credits are for validation. Before launch, record cost per 1K requests, retry-adjusted cost, and a monthly spend cap.

Compatibility check

If you already use the OpenAI SDK, verify Stability AI base URL, model names, streaming, tool calling, and JSON mode before migration.

Fallback rule

Keep one similar provider or OpenLLMAPI route ready so credit exhaustion, regional access issues, or model deprecations do not break users.

Source trail

Save this source snapshot plus the official console state so future quota, pricing, and rate-limit changes can be audited.

Alternatives

LocalAI MIT open-source, zero API cost when self-hosted. InvokeAI Apache-2.0 open source; free local use Qwen (Alibaba) 70M DashScope/Bailian signup tokens; RPM/TPM, expiry, and model access vary by account StepFun No explicit limit Baseten Free trial / startup credits may be available; quota depends on account and sales approval RunPod Account promotions and community credits vary; paid GPU/serverless usage is the default Stability AI alternatives Open the full alternatives list

Credit-change alerts

Get notified when Stability AI credits, pricing, or Mainland China access changes; compare official providers, API gateways, and alternatives before production.

Subscribe → Compare API gateways → Use OpenLLMAPI fallback →

Source snapshot

Generated from the yangmao.ai provider database plus public provider documentation. Free credits, prices, and rate limits can change; verify in the official console before production.

Data source: yangmao.ai provider tracker + official provider documentation review
Official source: https://platform.stability.ai/
Last updated: 2026-06-16
Free tier: 25 free credits on signup.
API credits: 25 free credits on signup
Rate limit: Credit-based image/video generation; check Stability platform dashboard

FAQ

Does Stability AI have a free tier?

Yes. Current record: 25 free credits on signup.. Always confirm on the official site before relying on it.

Can I try the Stability AI API for free?

Yes. Current record: 25 free credits on signup, rate limit: Credit-based image/video generation; check Stability platform dashboard.

Can I use Stability AI without a credit card?

You can usually try free product features first, but card requirements may change on signup.

What are good Stability AI alternatives?

Check the alternatives section below or open the Stability AI alternatives page.