Context Window

Compare

Amazon Titan Text Lite vs Step 3.5 Flash (free)

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 Lite

Context window

42K

42,000 tokens · ~32K words

Model page
Stepfun

Model

Step 3.5 Flash (free)

Tool calling

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 Lite42K
Step 3.5 Flash (free)256K

Step 3.5 Flash (free) has about 6.1× the context window of the other in this pair.

Token calculator →Memory savings →

Step 3.5 Flash (free) has 509% more context capacity (256K vs 42K tokens).

Quick verdicts

Short takeaways — validate with your own workloads.

  • Long document processing

    Use Step 3.5 Flash (free). Its 256K context fits entire documents without chunking (vs 42K).

  • Long output (reports, code files)

    Use Step 3.5 Flash (free). 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 LiteStep 3.5 Flash (free)
Context window42,000 tokens (42K)256,000 tokens (256K)
Max output tokens4,000 tokens (4K)256,000 tokens (256K)
Speed tierBalancedFast
VisionNoNo
Function callingNoYes
Extended thinkingNoYes
Prompt cachingNoNo
Batch APINoNo
Release dateN/AJan 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 Lite inAmazon Titan Text Lite outStep 3.5 Flash (free) inStep 3.5 Flash (free) out
Aws Bedrock$0.300/M$0.400/M——

Frequently asked questions

Step 3.5 Flash (free) 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