OpenAI: Migrating to HTTPX2

Anthropic made the same change a few weeks after OpenAI did: https://github.com/anthropics/anthropic-sdk-python/releases/...

The problem with httpx as a dependency is that it's currently working towards a 1.0 release which will be full of breaking changes.

The httpx2 project is essentially a fork that promises not to break the existing API, which makes it a more stable dependency to build against.

I wrote a pretty long comment about my concerns for the breaking 1.0 version last year - https://github.com/encode/httpx/discussions/3344#discussionc... - in that comment I recommended the HTTPX project release their 1.0 as a package called httpx2 instead, but a year later we now have an httpx2 (released by a different maintainer) that keeps the old API.

Well, the client side of the AI chat sucks for me lately. Both ChatGPT and Gemini will say that the connection was lost or there’s a problem with the page and will force me to reload and send the promt again. Especially Gemini is horrible, this starts happening just after the second message. I dread using through the browser both. I haven’t investigated why this happens but maybe this change will come with an improvement.

The requests packages fundamental API is good enough and is now maintained by the PSF. I don't understand why OpenAI and Anthropic don't just throw some $$$ to the PSF for focused improvements and expansion of it.

Why is everyone so slow to move to http3?

There seems to be a bunch of downsides mentioned...

But what are the upsides of this change?

nb: operating system TLS trust store is used now (instead of certifi)

Wow, finally...

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