AI sentiment analysis & vs ChatGPT API

Two Artificial intelligence APIs with a free plan, compared field by field.

AI sentiment analysis & emotion detection ChatGPT API — GPT-4, o1 and o3 integration
Endpoints 1 1
Latency
Service level
Free tier $0.00 $0.00
Paid from $9.99 $9.99
Updated 2025-11-26 2025-11-26

AI sentiment analysis & emotion detection

Beyond positive and negative: the API reports emotional tone, the trend across a set of texts and which phrases drive the sentiment.

Feedback tools, social listening and review platforms use it to explain a score rather than just show one.

Open AI sentiment analysis & emotion detection →

ChatGPT API — GPT-4, o1 and o3 integration

One endpoint onto the OpenAI model family, including GPT-4 and the reasoning models, for chatbots, support automation and workflow tools.

It removes the SDK and key-management step for products that only need the call.

Open ChatGPT API — GPT-4, o1 and o3 integration →

Other comparisons in Artificial intelligence

Best free Artificial intelligence APIs →

Updated 2025-11-26 by Bilgisam Ltd. About