kitio.aiAI21 vs Cognitivess
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. AI21 starts at See pricing page and Cognitivess 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
- 1M-token context model
- OpenAI and Anthropic compatible API
- Function calling
- Prompt caching
- CLI for coding agents
| Feature | AI21 | Cognitivess |
|---|---|---|
| Best for | Jamba model APIs and custom post-training for enterprises | Cognitivess-1 model API with 1M context and OpenAI-compatible endpoints |
| 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 | Cognitivess AI |
| Based in | Israel | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
AI21 starts at See pricing page and Cognitivess 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
2 plans
Cognitivess-1 input
$0.48 / 1M tokens
- Pay as you go
- Cheaper cached reads
Cognitivess-1 output
$1.68 / 1M tokens
- Up to 131K output tokens
- Streaming supported
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
Cognitivess
- Drop-in for existing SDKs
- Low per-token prices
- Very long context window
- Little public benchmark data
- Default rate limit of 30 requests a minute
- Small, lesser-known provider
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 Cognitivess if you want:
- Drop-in for existing SDKs
- Low per-token prices
- Very long context window
Watch out: little public benchmark data.
AI21 vs Cognitivess FAQ
What is the difference between AI21 and Cognitivess?
AI21: Jamba model APIs and custom post-training for enterprises. Cognitivess: Cognitivess-1 model API with 1M context and OpenAI-compatible endpoints. Both are models & apis tools.
Is AI21 or Cognitivess cheaper?
AI21 starts at See pricing page and Cognitivess starts at See pricing page. Check both pricing pages for current plans.
Do AI21 and Cognitivess have free plans?
AI21: No, 7-day trial. Cognitivess: No.
Who makes AI21?
AI21 is made by AI21 Labs, based in Israel.
Who makes Cognitivess?
Cognitivess is made by Cognitivess AI.
Which should I choose, AI21 or Cognitivess?
Choose AI21 if you value low per-token price on jamba mini and long context windows. Choose Cognitivess if you value drop-in for existing sdks and low per-token prices.