Jamba Large review, price and benchmarks (2026)

public free open-weights api info-only long-context enterprise

Provider

Statuspublic

AA Intelligence Index~12 (WhichAI estimate)

Releasedn/a

Context windown/a

Modalitiesn/a

API price $/1M (in / out)n/a

Speedn/a

AccessOpen weights · API

The score shown is a WhichAI estimate from adjacent benchmarks, not an official measurement.

In one line

AI21's hybrid SSM-Transformer line - memory-efficient very-long-context processing for enterprises, a different trade-off than pure Transformers.

Coding26

Reasoning24

Writing30

Agents & tools20

Category scores (0-100) are WhichAI blended ratings: public category leaderboards plus editorial judgment. Guidance, not official measurements.

Alternatives worth a look

Sarvam 105B (Sarvam AI) · AA 11.9Open weights · Indian cloud
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Llama 4 Scout (Meta) · AA 10Open weights · very long context

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Artificial Analysis Intelligence Index, 2026 rebased scale (top models ≈ 55–60). Snapshot: July 24, 2026 (BenchLM mirror), retrieved July 26, 2026. Context, price and release data come from vendor pages and public pricing mirrors (retrieved July 19, 2026). Missing values are not published or not yet verified - shown as -. Sources are linked inside the app (Model guide and About > Methodology).