Jamba 1.5 Mini
AI21's efficient hybrid model — 256k context at sub-$0.20 input pricing with SSM efficiency.
Pricing
Input$0.20 / 1M
Output$0.40 / 1M
Hybrid Mamba/Transformer SSM architecture.
Cost bandBudget
Free tierTrial credits available.
Limits
Context window256k
Max output4,096
Knowledge cutoffMar 2024
DeploymentAI21 API, Azure AI, Bedrock
OpenAI-compatible APIYes
ModalitiesText
Where it fits
Best forCost-sensitive long-context workloads where the SSM memory advantage reduces inference cost.
Business fitNiche advantage in memory-efficient long context; compare with Gemini 2.5 Flash for general tasks.
Capabilities
Hybrid SSM/TransformerLong contextFunction calling
Benchmark scores
Composite60 / 100
Coding54 / 100 (HumanEval)
Reasoning60 / 100 (MMLU-Pro)
Long context74 / 100 (RULER 256K)
Instruction following62 / 100 (IFEval)
Editorial aggregate of published benchmark results as of Oct 1, 2024. These are not independent measurements run by this site.
Change history
No recorded changes for this model yet. Pricing and context are checked daily; changes appear here with dates and sources.
Data
Last checkedJan 10, 2026
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