kitio.aiOpenAI API vs Azure Language
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 Azure Language 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
- Sentiment analysis
- Named entity recognition
- PII detection and redaction
- Text summarization
- Custom intent models
- Health text analytics
| Feature | OpenAI API | Azure Language |
|---|---|---|
| Best for | Developer API for GPT, reasoning, image, audio and embedding models | Microsoft cloud API for sentiment, entities, PII and text summaries |
| Category | Models & APIs | Models & APIs |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | No | Yes |
| Made by | OpenAI | Microsoft |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
OpenAI API starts at See pricing page and Azure Language 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
Azure Language
- Many NLP tasks behind one API
- Supports many languages
- Enterprise compliance through Azure
- Needs an Azure subscription and setup
- Usage pricing is hard to estimate upfront
- Product names change often
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 Azure Language if you want:
- Many NLP tasks behind one API
- Supports many languages
- Enterprise compliance through Azure
Watch out: needs an azure subscription and setup.
OpenAI API vs Azure Language FAQ
What is the difference between OpenAI API and Azure Language?
OpenAI API: Developer API for GPT, reasoning, image, audio and embedding models. Azure Language: Microsoft cloud API for sentiment, entities, PII and text summaries. Both are models & apis tools.
Is OpenAI API or Azure Language cheaper?
OpenAI API starts at See pricing page and Azure Language starts at See pricing page. Check both pricing pages for current plans.
Do OpenAI API and Azure Language have free plans?
OpenAI API: No. Azure Language: Yes.
Who makes OpenAI API?
OpenAI API is made by OpenAI, based in United States.
Who makes Azure Language?
Azure Language is made by Microsoft, based in United States.
Which should I choose, OpenAI API or Azure Language?
Choose OpenAI API if you value wide model range in one api and mature sdks and docs. Choose Azure Language if you value many nlp tasks behind one api and supports many languages.