Context Window

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Amazon Titan Text Express vs Lyria 3 Pro Preview

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 Express

Context window

42K

42,000 tokens · ~32K words

Model page
Google

Model

Lyria 3 Pro Preview

Image input

Context window

131K

131,072 tokens · ~98K 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 Express42K
Lyria 3 Pro Preview131K

Lyria 3 Pro Preview has about 3.1× the context window of the other in this pair.

Token calculator →Memory savings →

Lyria 3 Pro Preview has 212% more context capacity (131K vs 42K tokens).

Quick verdicts

Short takeaways — validate with your own workloads.

  • Long document processing

    Use Lyria 3 Pro Preview. Its 131K context fits entire documents without chunking (vs 42K).

  • Long output (reports, code files)

    Use Lyria 3 Pro Preview. Its 8K 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 ExpressLyria 3 Pro Preview
Context window42,000 tokens (42K)131,072 tokens (131K)
Max output tokens8,000 tokens (8K)8,192 tokens (8K)
Speed tierBalancedBalanced
VisionNoYes
Function callingNoNo
Extended thinkingNoNo
Prompt cachingNoNo
Batch APINoNo
Release dateN/AMar 2026

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 Express inAmazon Titan Text Express outLyria 3 Pro Preview inLyria 3 Pro Preview out
Aws Bedrock$1.30/M$1.70/M——
Google————

Frequently asked questions

Lyria 3 Pro Preview has a larger context window: 131K 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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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