AI21 Labs review

Input is billed from $0.20 and output from $0.40 for the cheapest Jamba tier. Both sit above the €0.08 median across LLM API providers on the site, so token volume drives the bill. Larger tiers in the family cost more per token.

New accounts get $10 credits for 7 days to spend on the API, enough to send test prompts and compare output quality before paying. After that, usage is billed per token at the standard rates. The trial is short, so it works as a proof of concept rather than a free tier for a running product.

The largest context window is 256,000 tokens across Jamba Large, Jamba Mini and Jamba 3B, enough to keep long documents in one call without chunking. That places AI21 Labs 55 of 72 providers on this measure, below the 1,000,000 median for the group.

The catalogue is Jamba Large, Jamba Mini and Jamba 3B, a small family from a single maker. That keeps the integration surface simple and the pricing easy to reason about, but it leaves no alternative model to fall back on when a prompt needs different behaviour. Wider choices sit with the multi-model platforms.

The platform is audited to SOC 2, ISO 27001 and ISO 27017, which covers the security and privacy side of running an enterprise API. Those marks usually clear a vendor review without extra paperwork, and they are the clearest reason to pick this provider over a cheaper single-vendor service. The certificates sit with AI21 Labs Ltd., so procurement checks run against one legal name.

Support runs on email, help centre and community. Email is the direct route for a specific account or billing question, the help centre covers the documented API, and the community space handles usage advice from other builders. There is no live chat or phone line in the listed channels, so urgent issues need email.

On entry input price it is dearer. Input starts at $0.20 against Salad at $0.06, and the €0.08 median across this group is lower still. Output from $0.40 puts the same gap on the completion side of the bill.