Latest models, no templates
GPT-5, Claude Opus 4, Gemini 3 — write whatever you need, however you need it.
The Jasper.ai alternative that does more
Krater is the Jasper AI alternative with 350+ models, not just templated outputs.
Jasper.ai comparison
Jasper templates AI writing for marketing. Krater gives you direct access to GPT-5, Claude Opus, Gemini Pro and 347 more — you control the prompt and the model.
Krater pricing · AI model directory · AI image generator · Copy.ai alternative
| Category | Jasper.ai | Krater |
|---|---|---|
| AI models | Curated set | 350+ models (GPT-5, Claude, Gemini) |
| Approach | Templates for marketing | Direct prompts, your control |
| Image generation | Add-on | Native (Flux, Midjourney, Imagen) |
| Video generation | None | Sora, Veo, Kling, Runway, Hailuo |
| Workflow | Brand voice + templates | Custom prompts + Krater Drive |
| Pricing | $49+/mo Creator | From $20/mo · all models |
Highlights
Cheaper
Jasper Creator is $49/month. Krater Pro is $20/month and includes more capability.
Beyond writing
Image generation, video, voice — Jasper is writing-focused.
Frequently asked questions
Is Krater good for marketing writing?
Yes. Use Claude Opus for long-form, GPT-5 for ad copy and Gemini for SEO research — all in one workspace. Build your brand voice as a custom prompt or system message.
Does Krater have brand voice features?
You can save brand-voice prompts as conversation presets and apply them to any of the 350+ models. More structured brand-voice tooling is on the roadmap.
Pricing comparison?
Krater Pro is $20/month with 1,500 credits across 350+ models plus image/video. Jasper Creator is $49/month and Pro is $69+/month for writing-focused features.
Can I migrate Jasper templates?
No automated import. Most users recreate their best templates as Krater prompts — typically faster than the Jasper version.