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by Ai21

AI21: Jamba Large 1.7.

text closed 256K ctx
Cheapest input
$2.0/M
on OpenRouter
Cheapest output
$8.0/M
on OpenRouter
Fastest
38 tok/s
on OpenRouter
Hosted equiv.
~$2.88/hr
@ 100 tok/s on OpenRouter

Jamba Large 1.7 is the latest model in the Jamba open family, offering improvements in grounding, instruction-following, and overall efficiency. Built on a hybrid SSM-Transformer architecture with a 256K context...

Hosted API only

No self-host path — closed weights.

AI21: Jamba Large 1.7's weights aren't published. Use it via the access providers below.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
OpenRouter api aggregator $2.0 $8.0 Launch ↗
Performance

Speed across providers.

Tokens/sec and time-to-first-token measured against the same prompt template on each provider's API.

Provider Tokens/sec TTFT Total
OpenRouter 37.7 1441 ms 3183 ms
FAQ

Frequently asked.

How do I run AI21: Jamba Large 1.7?
AI21: Jamba Large 1.7 is a closed-source API model. The cheapest way to access it is through the API providers listed on this page (direct API, aggregators, and hosted chat UIs).
Where can I access AI21: Jamba Large 1.7?
AI21: Jamba Large 1.7 is available via OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run AI21: Jamba Large 1.7?
API pricing starts at $2.0/M input tokens and $8.0/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is AI21: Jamba Large 1.7 open-source or proprietary?
AI21: Jamba Large 1.7 is a proprietary model from Ai21. Access is API-only — there are no public weights to download.