Viewing profile — JoshPurtell

There could be a leak from post-training but not pre-training

gpt oss 20b is not dense

Codex is not far behind Claude Code

You most certainly should not have stuck with Conda

Have been testing this in dev and really like the performance so far

I concede that it is not precisely OSS. But if I tell someone that it is source-available, they will expect some kind of license restriction for any use. If I tell someone OSS, the…

What compile times do you work with? I use bazel and it still hurts

Billionaires and corporations can hire teams of people to work for them full-time. You, likely, can hire one or two (or zero!). Not to make it personal. These inequalities already …

I do both and compile times are very unfriendly to AI!

Why, because of the Sentry license?

Every AI advancement liberates real humans from drudgery and allows them to create what they want more easily. The invention of the digital calculator turned human calculators into…

rlm-rs: https://crates.io/crates/rlm-rs src: https://github.com/synth-laboratories/Horizons

Monty is the missing link that's made me ship my rust-based RLM implementation - and I'm certain it'll come in handy in plenty of other contexts. Just beware of panics!

Just like codex or opencode provide strong oss implementations of the core agent loop, our ambition (not achieved! hoping this is a solid start) is to provide a solid oss implement…

I'm Josh, founder of Synth. We've been working on coding agent optimization with method like GEPA and MIPRO (the latter of which, I helped to originally develop), agent evaluation …

It's 2026, just use Planetscale Postgres

Completely absent of substance

From Sama "More Texans use ChatGPT for free than total people use Claude in the US, so we have a differently-shaped problem than they do" Facts don't care about your feelings

Important to note Anthropic has next to no consumer usage

This is super cool! Have you tried GEPA?

For devtools cos providing skills - we've found that using GEPA where you optimize the skill content instead of the prompt works really well to make sure the skill actually gets cl…