DeepSeek-V3 vs Jamba 1.5 Large

A side-by-side comparison of two Open LLM models - to help you pick the right one.

Spec comparison

DeepSeek-V3 Jamba 1.5 Large
Provider DeepSeek AI21 Labs
Category Open LLM Open LLM
Context window 128K ctx 256K ctx
Max output - -
Input price $0.27 / 1M $2 / 1M
Output price $1.10 / 1M $8 / 1M
License DeepSeek License Jamba Open Model License
Open weights Yes Yes
Modality Text Text

Prices and specs are per provider documentation; verify current figures before relying on them.

DeepSeek-V3: what it's for

DeepSeek-V3 is a large open-weight mixture-of-experts model developed by DeepSeek, offering high-quality performance at a relatively low cost. It excels in handling extensive text-based tasks with its 128K context window. The model is particularly efficient for applications requiring deep text understanding and generation.

Long-form text generation and summarizationComplex question answering and research assistanceDocument analysis and information extractionTechnical writing and code documentationMultilingual text processing and translation

Jamba 1.5 Large: what it's for

Jamba 1.5 Large is AI21 Labs' hybrid Mamba-Transformer open LLM with a 256k token context window, designed for text-based tasks. It is well-suited for applications requiring long-context understanding and generation. The model's open weights make it accessible for customization and research.

Long-context document summarizationExtensive text generation and completionKnowledge-intensive QA with large inputsAnalysis of long-form content (e.g., legal or technical documents)Research on Mamba-Transformer hybrid architectures

See all Open LLM models