Braintrust vs Stability AI Pricing (2026)
How do these two stack up on price? Here's what each one costs, what you get, and where the value sits.
| Braintrust pricing | Stability AI pricing | |
|---|---|---|
| Starts at | $249/mo | Custom |
| Number of plans | 3 | 1 |
| Free plan | ||
| Free trial | — | |
| Pricing model | hybrid | usage-based |
Price is one row. To weigh the features too, use our feature comparison template →
Starter
- $10 credits
- 1 GB processed data
- 10k scores
- 14-day retention
- Unlimited users, projects, datasets, playgrounds, and experiments
Pro
Popular- $100 credits
- 5 GB processed data
- 50k scores
- 30-day retention
- Custom charts, environments, priority support, RBAC, and more
Enterprise
- Custom data retention and export, RBAC, and premium support with on-prem or hosted deployment for high volume or privacy-sensitive data.
Pay-as-you-go
- Stable Image Ultra – 8 credits
- Stable Diffusion 3.5 Large – 6.5 credits
- Stable Diffusion 3.5 Large Turbo – 4 credits
- Stable Diffusion 3.5 Medium – 3.5 credits
- Stable Diffusion 3.5 Flash – 2.5 credits
- Stable Image Core – 3 credits
- SDXL 1.0 – From 0.9 credits
- Creative Upscaler – 60 credits
- Conservative Upscaler – 40 credits
- Fast Upscaler – 2 credits
- Erase Object – 5 credits
- Inpaint – 5 credits
- Outpaint – 4 credits
- Remove Background – 5 credits
- Search and Recolor – 5 credits
- Search and Replace – 5 credits
- Replace Background & Relight – 8 credits
- Structure – 5 credits
- Sketch – 5 credits
- Style Guide – 5 credits
- Style Transfer – 8 credits
- Stable Fast 3D – 10 credits
- Stable Point Aware 3D – 4 credits
- Stable Audio 2.5 – 20 credits
- Stable Audio 3.0 – 26 credits
Braintrust vs Stability AI FAQ
- Which one is cheaper?
- One or both use custom pricing, so it depends on your specific needs.
- Can I use either one for free?
- Both offer free plans, so you can try each without paying. Start with whichever fits your workflow better and upgrade when you hit the limits.
- How do they charge?
- Different approach here. Braintrust uses hybrid pricing, while Stability AI goes with usage-based. That changes the math depending on your team size and usage.
- Which one is a better deal?
- Depends on what you need. Braintrust: At $249/mo for Pro, Braintrust sits mid-to-premium in the LLM observability/eval space — not a rock-bottom self-serve tool, but not locked behind a full sales-only paywall either. They're clearly courting funded startups (hence the free-months discount) who need serious eval infrastructure but aren't ready for enterprise contracts yet. Stability AI: At a penny per credit, they're positioning as an accessible, low-barrier entry point in the generative image AI space — competing directly with Midjourney and DALL-E by removing the subscription wall and letting output volume drive cost.
Still deciding? See the best Braintrust alternatives or the best Stability AI alternatives, ranked with verified pricing.
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