Using Flan-T5 XXL on IBM watsonx

Implementation guide · FLAN-T5 · Google DeepMind

ServerlessOpen Source

IBM watsonx exposes Flan-T5 XXL through model ID flan-t5-xxl. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-09-29. Next refresh: weekly.

Quick Start

  1. 1
    Create an account at IBM watsonx and generate an API key.
  2. 2
    Use the IBM watsonx SDK or REST API to call flan-t5-xxl — see the documentation for request format.
  3. 3
    You'll be billed $1.80/1M input, $1.80/1M output tokens. See full pricing.
API PortalDocumentationPricing

Code Examples

See IBM watsonx documentation for integration details.

Pricing on IBM watsonx

TypePrice (per 1M)
Input tokens$1.80
Output tokens$1.80

Capabilities

No model capability flags are currently sourced.

About Flan-T5 XXL

Flan-T5 XXL is Google DeepMind's FLAN-T5 model. It was released 2022-10-03.

Full model details →

Model Specs

Released2022-10-03
Parameters11B
Context512
ArchitectureDecoder Only

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Flan-T5 XL
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Provider

IBM watsonx

IBM

Armonk, New York, United States