Context Window

Compare

Claude Haiku Latest vs Gov Anthropic Claude 3 Haiku 20240307

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.

Anthropic

Model

Claude Haiku Latest

Image inputTool calling

Context window

200K

200,000 tokens · ~150K words

Model page
Anthropic

Model

Gov Anthropic Claude 3 Haiku 20240307

Image inputTool calling

Context window

200K

200,000 tokens · ~150K 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.

Claude Haiku Latest200K
Gov Anthropic Claude 3 Haiku 20240307200K

Same context window size for both models.

Token calculator →Memory savings →

Claude Haiku Latest and Gov Anthropic Claude 3 Haiku 20240307 have identical context windows (200K tokens). Gov Anthropic Claude 3 Haiku 20240307 is 70% cheaper on input.

Quick verdicts

Short takeaways — validate with your own workloads.

  • RAG / high-volume retrieval

    Use Gov Anthropic Claude 3 Haiku 20240307. Input tokens are 70% cheaper — critical when sending large retrieved contexts.

  • Long output (reports, code files)

    Use Claude Haiku Latest. Its 64K 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.

SpecClaude Haiku LatestGov Anthropic Claude 3 Haiku 20240307
Context window200,000 tokens (200K)200,000 tokens (200K)
Max output tokens64,000 tokens (64K)4,096 tokens (4K)
Speed tierFastFast
VisionYesYes
Function callingYesYes
Extended thinkingYesNo
Prompt cachingYesYes
Batch APIYesYes
Release dateApr 2026N/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.

ProviderClaude Haiku Latest inClaude Haiku Latest outGov Anthropic Claude 3 Haiku 20240307 inGov Anthropic Claude 3 Haiku 20240307 out
Aws Bedrock——$0.300/M$1.50/M
Openrouter$1.00/M$5.00/M——

Frequently asked questions

Gov Anthropic Claude 3 Haiku 20240307 has a larger context window: 200K tokens vs 200K. For long documents, large codebases, or extended agent sessions, the larger context window reduces the need to chunk inputs or summarize history.

Powered by Mem0

Use a smaller model.
Get better results.

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.

Calculate your savingsLearn about Mem0

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