[Reebz]

I don’t agree that it’s a nitpick - it’s a fundamental communication tool to users that describes capabilities and costs. Versioning is not the problem, but it amplifies the mess.

To be more direct on the point: Anthropic has nailed that Opus > Sonnet > Haiku.

[com2kid]

> To be more direct on the point: Anthropic has nailed that Opus > Sonnet > Haiku.

Holy cow I never realized and I had to keep checking which model was which, I never had managed to remember which model was which size before because I never realized there was a theme with the names!

[Aurornis]

> To be more direct on the point: Anthropic has nailed that Opus > Sonnet > Haiku.

How is this more clear than 5.4 > 5.2 > 5.1?

OpenAI used familiar numeric versioning instead of clever word names. Normally this choice would appeal to software devs, not gather criticism.

[bibimsz]

I assume 5.4 is just the latest version. So if I'm on 5.1, I need to plan to upgrade to the latest version. I may assume the pricing is roughly the same, as well as the speed, and the purpose.

If I'm on Haiku, I don't assume I need to upgrade to Opus soon. I use Haiku for fast low reasoning, and Opus for slower more thoughtful answers.

And if I'm on Sonnet 4.5 and I see Sonnet 4.6 is coming out, I can reasonably assume it's more of a drop in upgrade, rather than a different beast.

[Reebz]

Prod model suite: GPT-5.4, GPT-5.4Thinking, GPT-5.4Pro, GPT-5.3-Codex, GPT-5.3-Instant, GPT-5.2, GPT-5mini, GPT5-nano, GPT-4.1mini GPT-4o(Omni), o4-mini, o4-mini-high.

Devoid of logic and structure.

They can't even decide where to place hyphens: is it GPT-5.4 Pro or GPT-5.3-Codex?