AI21 Labs

Jamba 1 5 Large

Jamba 1 5 Large by AI21 Labs.

#677released Jan 1, 2025·Proprietary·Not disclosed
text131K ctx
API providersGet API Key →Leaderboard
Intelligence
4.8 #677
Top 92% tier
Output Speed
60 t/s
ITL 16.7 ms/tok
Blended price (3:1)
$1.5 /1M
In $1/M · Out $3/M
Context
131K
≈ 328 A4 pages · max out 8,192

Quality Domain Radar

6-Axis Frontier Evaluation vs Category Average & Flagship

Jamba 1 5 Large
Claude Mythos Preview (#1)
Average (68)
Coding (40)Mathematics (15)Hard Science (GPQA) (35)Agentic & Tool Use (20)Knowledge (MMLU) (45)Vision / Multimodal (30)

Radar axes are approximated from category scores where direct benchmark measurements are missing — see Methodology.

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Model Details

Release date
Jan 1, 2025
Parameters
Not disclosed
License
Proprietary
Context Window
131,000 tokens
Input Price
$1/M
Output Price
$3/M
Output Speed
60 t/s
Time to First Token
—

Estimated monthly bill

Estimated monthly spend
$0.00
Calculating savings vs GPT-4o...

Cite & embed

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BibTeX
@misc{llmpodium2026jamba15large,
  title = {Benchmark Analysis and Intelligence Evaluation of Jamba 1 5 Large},
  author = {LLMPodium Research},
  year = {2026},
  url = {https://llmpodium.com/models/jamba-1-5-large}
}

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