Supported NLP Models

There are multiple ways to access the NLP models a study will need.

For example, a hypothetical study__nlp_gpt_oss_120b task that uses the GPT-OSS 120b model, can use Azure, Bedrock, or a local on-prem version of the model.

Below, you can see a support matrix of the models and platforms that Cumulus ETL supports. Individual study support might be more limited, depending on the study design. But these are all the models that a study could make use of:

	Azure	Bedrock	Local
Claude Sonnet 4.5	❌	✅	❌
GPT 3.5	✅	❌	❌
GPT 4	✅	❌	❌
GPT 4o	✅	❌	❌
GPT 5	✅	❌	❌
GPT OSS	✅	✅	✅
Llama4 Scout	✅	✅	✅

Using Azure

• Pass --provider=azure when running NLP (e.g. cumulus-etl nlp --provider=azure ...)
• Set AZURE_OPENAI_API_KEY and AZURE_OPENAI_ENDPOINT environment variables

Using Bedrock

• Pass --provider=bedrock when running NLP (e.g. cumulus-etl nlp --provider=bedrock ...)
• Set the appropriate AWS environment variables, like AWS_PROFILE or AWS_ACCESS_KEY_ID etc.