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Posted by tedsanders 5 hours ago

Advancing the price-performance frontier with GPT‑5.6(openai.com)
411 points | 265 commentspage 3
Phlogi 3 hours ago|
It's a clever strategic move: grab the market of cheap low end models within the product range. It's lower friction to switch a model than a provider.
Pesto 3 hours ago||
I truly wonder what kind of model is luna now.

Before I thought it was just an improved version or at least in the same class as gpt 5.4 mini but now it's being priced like a nano model!

I thought about it because Terra has similar pricing to 5.4 and Sol is similar to 5.5.

Luna was already my workhorse before, it performs very well on high/xhigh for most of the tasks, very happy about this drop.

arjunchint 3 hours ago||
Deepseek Flash is still much cheaper:

- lower input/output token pricing

- the cached token price is $0.0028/Million tokens, which is like 50-90% of tokens

lostmsu 2 hours ago|
DeepSeek Flash is a much worse model. Even DeepSeek Pro is much worse.
Decabytes 3 hours ago||
Has anyone ever done a comparison between the smaller models like Luna, against the previous GPT 5 frontier models? Have we gotten to the point where the small models are as good as the frontier models of the past, or is there still a way to go?
simianwords 2 hours ago|
I ran a prompt with ChatGPT since I'm also curious. The price reduction is crazy.

- GPT-5 high: score 35, approximately $0.37/task

- Luna medium: score 38, approximately $0.01/task

- Luna max: score 51, approximately $0.042/task

So Luna medium is:

- slightly more capable than GPT-5 high;

- approximately 35–40× cheaper per benchmark task.

And Luna max is:

- 16 Intelligence Index points better;

- still roughly 9× cheaper per task.

This reduction was possible within 1 year.

infinite_spin 2 hours ago||
I've been having issues with it using unreasonable timeouts for tasks that should have failed within minutes, not hours.
hugopuybareau 2 hours ago||
> These lower prices for Luna and Terra are also reflected in how usage is counted against paid subscriptions

Does this seem higher or lower limits ?

gentlewater 4 hours ago||
This is awesome. I’ve recently set up my opencode to use 5.6 terra for my main agent, who delegates work to a 5.6 Luna coder agent. So far it seems to work well, and reduce costs a lot. With this price reduction, it will work a whole lot better. Perhaps I can get my github copilot quota to last the whole month now.
xendo 3 hours ago||
Does that also increase the token count in their subscription like ChatGPT GO?
kingstnap 4 hours ago|
Those prices on luna are killer.

Haiku was already in a ditch.

But this is coming straight for the jugular of a ton of models on openrouter.

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