AI Tools · head to head
AI21 Labs vs Convert

Convert
Marketing & Analytics
A/B testing platform for enterprises
- From
- $1000/month
- Rated
- -
The short version
- Only AI21 Labs has a free tier, so it costs nothing to try first.
- Each has a real cost: AI21 Labs the free allowance is $10 of credit lasting 7 days rather than an ongoing free tier; Convert pricing is driven by monthly tested users, starting at $399 per month for 100,000 monthly tested users on Growth and $599 on Pro
- They diverge on capability: AI21 Labs covers Jamba models, Convert covers A/B testing.
Where they differ
Only the attributes on which AI21 Labs and Convert actually diverge.
Identical on both: user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in AI21 Labs
- Jamba models
- Long context
- RAG engine
- Writing tools
- REST API
- Amazon Bedrock
- Cloud platforms
- Api support
Only in Convert
- A/B testing
- Multivariate testing
- Analytics
- API access
- Google Analytics
- SSL encryption
- Cloud deployment
- Web support
What people use each for
The jobs each tool is most often brought in to do.
AI21 Labs
- Running long-context tasks on the Jamba model familynot Convert
- Building and optimising production AI agents with Maestronot Convert
- Routing between models to control cost and accuracynot Convert
- Long-horizon agentic tasks needing stateful workspacesnot Convert
Convert
- A/B, split and multivariate testing on websitesnot AI21 Labs
- Server-side experimentation and feature flaggingnot AI21 Labs
- Personalising site content to visitor segmentsnot AI21 Labs
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
AI21 Labs
- The free allowance is $10 of credit lasting 7 days rather than an ongoing free tier
- Jamba Large is $2 per million input tokens and $8 per million output, so output-heavy work costs four times as much as input
- Volume discounts, private cloud hosting and higher rate limits require a custom plan
- Standard rate limits are not published
Convert
- Pricing is driven by monthly tested users, starting at $399 per month for 100,000 monthly tested users on Growth and $599 on Pro
- Single Sign-On requires the Pro plan at $599 per month
- Multivariate testing, multi-page testing, full stack and feature flags, sequential testing and raw test data export are all withheld from the Growth plan
- Phone support, change history and guided onboarding require Pro
- The advertised $299 and $420 per month rates require paying the full year up front at $3,588 or $5,040
- The Enterprise plan is price on request, is only available as an annual plan, and its data segregation feature carries additional costs
- Listed prices exclude VAT, GST and other taxes, which are added at checkout
- Above 5 million monthly tested users there is no published rate
Pricing, plan by plan
AI21 Labs
Free- Free TrialFree
- Limited usage
- API access
- Jamba$0.2/per-million-input-tokens
- 256K context
- Hybrid architecture
Convert
$1000/month- Professional$1000/month
- A/B testing
- Analytics
- API access
Which should you pick?
Choose AI21 Labs if
- You need jamba models.
- You want to start without paying.
- You work on Api, Cloud.
- You also want long context.
Questions people ask
- Is AI21 Labs or Convert better?
- Neither clearly leads. AI21 Labs starts at Free and Convert at $1000/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, AI21 Labs or Convert?
- AI21 Labs has a free tier; the other does not. Paid plans start at Free for AI21 Labs and $1000/month for Convert.
- Does AI21 Labs or Convert run on more platforms?
- AI21 Labs runs on Api, Cloud. Convert runs on Web.
- Can I use AI21 Labs for free?
- Yes. AI21 Labs has a free tier, so you can try it without paying. Convert starts at $1000/month.
- What is AI21 Labs best used for?
- AI21 Labs is most often used for running long-context tasks on the jamba model family, building and optimising production ai agents with maestro, routing between models to control cost and accuracy, long-horizon agentic tasks needing stateful workspaces. Of those, running long-context tasks on the jamba model family and building and optimising production ai agents with maestro are not what Convert is typically brought in for.
- What can AI21 Labs do that Convert cannot?
- AI21 Labs covers Jamba models, Long context, RAG engine, Writing tools. Convert covers A/B testing, Multivariate testing, Analytics, API access.
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- Convert vs Pika
- Convert vs Anthropic API
- Convert vs D-ID
- Convert vs Fathom
- Convert vs Stable Diffusion
- Convert vs ChatGPT
- Convert vs Copy.ai
- Convert vs HeyGen
- Convert vs Jasper
- Convert vs Leonardo AI
- Convert vs Murf
- Convert vs Perplexity
- Convert vs Pi
- Convert vs Play.ht
- Convert vs Replicate
- Convert vs Replika
- Convert vs Rytr
- Convert vs Together AI
- Convert vs Crazy Egg
- Convert vs Ruler Analytics
- Convert vs Northbeam
- Convert vs VWO
- Convert vs Attribution
- Convert vs Countly
- Convert vs Dreamdata
- Convert vs Google Analytics
- Convert vs Triple Whale
- Convert vs AB Tasty
- Convert vs Adobe Analytics
- Convert vs Adverity
- Convert vs Datorama
- Convert vs Fathom Analytics
- Convert vs Funnel.io
- Convert vs Google Optimize
- Convert vs Improvado
- Convert vs June

