Last updated 08-30-2026
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Crun
Crun is a developer API gateway that routes requests to 100+ generative models for video, image, audio, and text. You create one API key, pick a model like Veo 3.1 or Seedream 5.0 Pro, and send jobs through a single endpoint instead of wiring up separate vendor accounts. Teams building media features into apps use it when they want model choice without maintaining multiple integrations.
Where most providers sell access to their own catalog, Crun resells across vendors behind shared credits and per-request pricing. The homepage advertises up to 70% savings versus going direct, and larger credit purchases unlock up to 224 credits per dollar on the $1,250 tier. Its OpenAI-compatible API also means you can point existing client libraries at Crun rather than rewriting handlers each time you swap models.
Backend developers and startup teams are the natural audience, especially anyone prototyping video or image workflows who wants to compare Seedance 2.5 against Wan 3.0 from the same dashboard. The console covers API keys, usage logs, billing, and an interactive playground with Python, JavaScript, and cURL examples.
432 models across video, image, audio, and LLM endpoints
OpenAI-compatible API for drop-in migration from existing code
Per-request pricing from $0.03 on Nano Banana Pro images
Credit tiers up to 224 credits per dollar on $1,250 packs
Dashboard with API keys, usage logs, and a live playground
99.9% uptime claim with global routing across endpoints
One API key covers 432 models across video, image, audio, and LLM endpoints.
No monthly subscription; you buy credits and pay per request.
OpenAI-compatible endpoints simplify swapping models in existing apps.
Volume credit tiers add up to 12% more credits per dollar on large purchases.
Per-model costs vary widely and require checking the pricing page before production use.
Credit packs require upfront payment to unlock the best per-dollar rates.
As a multi-vendor gateway, uptime and latency depend on upstream model providers.
Does Crun have a free plan?
Yes, Crun includes free tier credits for new users and offers a free trial to explore the APIs before buying credits. The homepage states there are no monthly subscriptions, so you pay only when you purchase credit packs or use included credits.
How much does Crun cost?
Crun uses pay-as-you-go credits with no monthly subscription. Credit packs start at $5 for 200 credits per dollar, and the $1,250 tier raises that to 224 credits per dollar with a 12% bonus. Individual model calls vary, with featured image generation from $0.03 and video models like Veo 3.1 from $0.067 per request.
Does Crun have an API?
Yes, Crun is built around a REST API. Requests go to https://api.crun.ai/api/v1/client/job/CreateTask with an X-API-KEY header, a model name, and model-specific input fields. Documentation at docs.crun.ai includes Python, JavaScript, and cURL examples plus an interactive playground.
What AI models does Crun support?
Crun lists 432 models across video, image, audio, and LLM categories, including Veo 3.1, Seedance 2.5, Seedream 5.0 Pro, GPT 5.6, Claude Fable 5, Suno API, and Flux 2. The models page groups them by modality so you can pick endpoints per task.
Is Crun OpenAI compatible?
Yes, Crun advertises an OpenAI-compatible API described as a drop-in replacement with full compatibility. That lets you migrate apps by changing the base URL and API key rather than rewriting request code for each new model vendor.
How do I get support from Crun?
Crun lists support at [email protected] in its homepage FAQ and offers 24/7 support with WhatsApp contact via a QR code on the site. The dashboard also includes API usage logs and billing pages for self-serve troubleshooting.