OpenAI API vs Prediction Guard
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. OpenAI API starts at See pricing page and Prediction Guard starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Responses API
- Agents SDK
- Realtime voice API
- Image and audio models
- Batch API
- Fine-tuning and evals
- Agent access controls
- Runtime policy enforcement
- Agent audit trail
- Air-gapped deployment
- AIBOM export
| Feature | OpenAI API | Prediction Guard |
|---|---|---|
| Best for | Developer API for GPT, reasoning, image, audio and embedding models | Self-hosted control plane for governing what AI agents can do |
| Category | Models & APIs | Models & APIs |
| Pricing model | Paid | Paid |
| Starting price | See pricing page | See pricing page |
| Free plan | No | No |
| Made by | OpenAI | Prediction Guard |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
OpenAI API starts at See pricing page and Prediction Guard starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
GPT-6 Luna
$0.10 / $0.50 per 1M tokens
- Input / output
- Fast, low-cost model
- 1.05M context
GPT-6.1 Sol
$2 / $10 per 1M tokens
- Input / output
- Balanced model
- 1.05M context
GPT-6 Astra
$10 / $50 per 1M tokens
- Input / output
- Most capable model
- 1.05M context
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
OpenAI API
- Wide model range in one API
- Mature SDKs and docs
- Built-in tools like web search
- Top models are costly at scale
- Rate limits depend on spend tier
- Model names change frequently
Prediction Guard
- Runs inside your own infrastructure
- Controls mapped to NIST and OWASP
- Air-gapped option for strict sites
- Enterprise pricing through sales
- Overkill for small teams
- Requires infrastructure work to deploy
Which one should you choose?
Choose OpenAI API if you want:
- Wide model range in one API
- Mature SDKs and docs
- Built-in tools like web search
Watch out: top models are costly at scale.
Choose Prediction Guard if you want:
- Runs inside your own infrastructure
- Controls mapped to NIST and OWASP
- Air-gapped option for strict sites
Watch out: enterprise pricing through sales.
OpenAI API vs Prediction Guard FAQ
What is the difference between OpenAI API and Prediction Guard?
OpenAI API: Developer API for GPT, reasoning, image, audio and embedding models. Prediction Guard: Self-hosted control plane for governing what AI agents can do. Both are models & apis tools.
Is OpenAI API or Prediction Guard cheaper?
OpenAI API starts at See pricing page and Prediction Guard starts at See pricing page. Check both pricing pages for current plans.
Do OpenAI API and Prediction Guard have free plans?
OpenAI API: No. Prediction Guard: No.
Who makes OpenAI API?
OpenAI API is made by OpenAI, based in United States.
Who makes Prediction Guard?
Prediction Guard is made by Prediction Guard, based in United States.
Which should I choose, OpenAI API or Prediction Guard?
Choose OpenAI API if you value wide model range in one api and mature sdks and docs. Choose Prediction Guard if you value runs inside your own infrastructure and controls mapped to nist and owasp.