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OpenAI: GPT-5.1

Closed Source openai
9.0 / 10 400K context Proprietary

About this model

GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...

Benchmark Scores

MMMU
85.4
AIME-2025
94.0

Technical Specs

  • Architecture: text+image+file->text
  • Context Window: 400,000 tokens
  • Input Modalities: text

Hardware Requirements

  • API-only (no local hardware needed)

Pricing

Input Output Currency
1.25 / 1M tokens 10.0 / 1M tokens USD