Claude 2.1 AI model with 200K Context is Live

Maxim Saplin - Nov 22 '23 - - Dev Community

...and available as both a UI chatbot and API.

Yesterday Claude 2 model received an update doubling its context window size to 200K. Here's the official intro by Anthropic. This happened 12 days after Open AI introduced GPT-4 Turbo which was upgraded from 32K to 128K context.

Is it a lot?

Following up on my recent post translating context window size from tokens to different kinds of artefacts. Here's an updated table:

Artefact Tokens # in 200k
Tweet 76 2,632
Book page (Robinson Crusoe) 282 709
Google Results Page (copy/paste, txt) 975 205
StackOverflow Question (copy/paste, txt) 947 211
apple.com(copy/paste, txt) 997 201
StackOverflow Question (Markdown) 1037 193
Blog post (Markdown) 4572 44
Linux Kernel average source file 5205 38
SCRUM Guide (2020) 5440 37
Wikipedia page (Albania, copy/paste, txt) 42492 4.7
Wikipedia page (Albania, source, wikitext) 76462 2.6
apple.com(source, HTML) 92091 2.2
“The Lean Startup” book 113264 1.8
128K Context 128000 1.6
PM BoK (4th edition, 2008) 228880 0.87
Google Results Page (source, HTML) 246781 0.81
Linux Kernel largest source file 69039016 0.0029

Context Size timeline

Here's a quick rundown of model release dates and context windows:

P.S.:

On a side matter. I'm fascinated by how little progress in internet search has been made. Both Bing AI and Google Bard produce complete nonsense should your request require more than a few top results to produce a meaningful result :)

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