AI Hub
← All models

BLOOM vs GPT-5.1

BigScience vs OpenAI — benchmarks, pricing, and capabilities side by side.

  • GPT-5.1 has a larger context window (400K)
BLOOMGPT-5.1
Intelligence index89
DeveloperBigScienceOpenAI
TypeLLMLLM
AccessOpen weightsAPI only
Context window2,048 tokens400,000 tokens
Input price$1.25 / 1M
Output price$10.00 / 1M
Speed115 tok/s
ReleasedJuly 12, 2022November 12, 2025
Parameters176B
Input modalitiesTextText, Image
Output modalitiesTextText