kitio.aiAI21 vs Upstage
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. AI21 starts at See pricing page and Upstage 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
- Jamba Mini and Jamba Large APIs
- Long-context models
- Custom post-training
- Python SDK
- Free trial credits
- Solar Pro and Mini LLMs
- Document Parse
- Information Extract
- Upstage Studio agents
- On-premise deployment
- Cloud marketplace listings
| Feature | AI21 | Upstage |
|---|---|---|
| Best for | Jamba model APIs and custom post-training for enterprises | Solar LLMs and document AI for parsing and extracting business data |
| Category | Models & APIs | Models & APIs |
| Pricing model | Free trial | Paid |
| Starting price | See pricing page | See pricing page |
| Free plan | No, 7-day trial | No |
| Made by | AI21 Labs | Upstage |
| Based in | Israel | South Korea |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
AI21 starts at See pricing page and Upstage starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Jamba Mini
$0.2 / 1M input tokens
- $0.4 per 1M output tokens
- Lightweight general model
Jamba Large
$2 / 1M input tokens
- $8 per 1M output tokens
- Long-context model
Custom
Contact sales
- Volume discounts
- Dedicated account manager
- Priority support
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
AI21
- Low per-token price on Jamba Mini
- Long context windows
- Customer owns its post-trained model
- Trial credits expire after 7 days
- Smaller ecosystem than larger model labs
- Post-training requires a sales process
Upstage
- Strong parsing for messy documents
- Several deployment options
- Compact model for cheap agent workloads
- Pricing is spread across several pages
- Aimed at enterprise buyers
- On-prem and marketplace deals go through sales
Which one should you choose?
Choose AI21 if you want:
- Low per-token price on Jamba Mini
- Long context windows
- Customer owns its post-trained model
Watch out: trial credits expire after 7 days.
Choose Upstage if you want:
- Strong parsing for messy documents
- Several deployment options
- Compact model for cheap agent workloads
Watch out: pricing is spread across several pages.
AI21 vs Upstage FAQ
What is the difference between AI21 and Upstage?
AI21: Jamba model APIs and custom post-training for enterprises. Upstage: Solar LLMs and document AI for parsing and extracting business data. Both are models & apis tools.
Is AI21 or Upstage cheaper?
AI21 starts at See pricing page and Upstage starts at See pricing page. Check both pricing pages for current plans.
Do AI21 and Upstage have free plans?
AI21: No, 7-day trial. Upstage: No.
Who makes AI21?
AI21 is made by AI21 Labs, based in Israel.
Who makes Upstage?
Upstage is made by Upstage, based in South Korea.
Which should I choose, AI21 or Upstage?
Choose AI21 if you value low per-token price on jamba mini and long context windows. Choose Upstage if you value strong parsing for messy documents and several deployment options.