Context Window

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Amazon Titan Text Premier vs Jamba Mini 1 7

This page is context-first: how much text each model can take in one request. Full specs adds capabilities and limits; the pricing matrix below is only about $/million tokens from hosts that list both models.

Amazon

Model

Amazon Titan Text Premier

Context window

42K

42,000 tokens · ~32K words

Model page
Ai21

Model

Jamba Mini 1 7

Context window

256K

256,000 tokens · ~192K words

Model page

Context window · side by side

Bar length is relative to the larger of the two windows (100% = max of this pair). This is not pricing.

Amazon Titan Text Premier42K
Jamba Mini 1 7256K

Jamba Mini 1 7 has about 6.1× the context window of the other in this pair.

Token calculator →Memory savings →

Jamba Mini 1 7 has 509% more context capacity (256K vs 42K tokens). Jamba Mini 1 7 is 60% cheaper on input.

Quick verdicts

Short takeaways — validate with your own workloads.

  • Long document processing

    Use Jamba Mini 1 7. Its 256K context fits entire documents without chunking (vs 42K).

  • RAG / high-volume retrieval

    Use Jamba Mini 1 7. Input tokens are 60% cheaper — critical when sending large retrieved contexts.

  • Long output (reports, code files)

    Use Jamba Mini 1 7. Its 256K max output lets you generate complete artifacts in one request.

Full specs

Context, output, capabilities, and dates. Green highlights the favorable value where we compute a winner.

SpecAmazon Titan Text PremierJamba Mini 1 7
Context window42,000 tokens (42K)256,000 tokens (256K)
Max output tokens32,000 tokens (32K)256,000 tokens (256K)
Speed tierBalancedFast
VisionNoNo
Function callingNoNo
Extended thinkingNoNo
Prompt cachingNoNo
Batch APINoNo
Release dateN/AN/A

Pricing matrix

Dollar rates only: hosts that list both models, per 1M tokens. For how much text fits, use the context section above — not this table.

ProviderAmazon Titan Text Premier inAmazon Titan Text Premier outJamba Mini 1 7 inJamba Mini 1 7 out
Ai21——$0.200/M$0.400/M
Aws Bedrock$0.500/M$1.50/M——

Frequently asked questions

Jamba Mini 1 7 has a larger context window: 256K tokens vs 42K. For long documents, large codebases, or extended agent sessions, the larger context window reduces the need to chunk inputs or summarize history.

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Use a smaller model.
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Mem0 gives your AI long-term memory so you stop re-sending context on every call. That means you can use a smaller, faster, cheaper model — and still get better answers.

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Example: a multi-turn chat session

Without Mem0~128K tokens sent
Full history
Repeated info
Old context
With Mem0~20K tokens sent
Key memories
Current turn

80% less to send — works with any model