ChatGPT o3 API is now cheaper for builders, and there is no seen influence on efficiency.
On Wednesday, OpenAI introduced it is slicing the value of its finest reasoning mannequin, o3, by 80%.
This implies o3’s enter worth is now simply $2 per million tokens, whereas the output worth has dropped to $8 per million tokens.
“We optimized our inference stack that serves o3. Similar actual mannequin—simply cheaper,” OpenAI famous in a put up on X.
Whereas common customers usually do not use ChatGPT fashions through API, the value drop makes instruments counting on the API less expensive, corresponding to Cursor and Windsurf.
In a put up on X, the unbiased benchmark neighborhood ARC Prize confirmed that the o3-2025-04-16 mannequin’s efficiency didn’t change after the value discount.
“We in contrast the retest outcomes with the unique outcomes and noticed no distinction in efficiency,” the corporate stated.
This confirms that OpenAI didn’t swap out the o3 mannequin to scale back the value. As an alternative, the corporate actually optimized the inference stack that powers the mannequin.
As well as, OpenAI rolled out o3-pro mannequin within the API, which makes use of extra compute to ship higher outcomes.
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