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GPT-5.1

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...

openai/gpt-5.1
💬 Chat with GPT-5.1

Capabilities

🧠Reasoning👁️Vision🔧Tools🧩Structured📜Long context

Specifications

Context window
400K tokens
Input price
$1.25/M
Output price
$10.00/M
Provider
OpenAI
Input modalities
image, text, file
Output modalities
text
Pricing
Pay-per-token
Model ID
openai/gpt-5.1

Strengths

  • +Strong step-by-step reasoning
  • +Understands images (vision input)
  • +Supports tool / function calling
  • +Large 400K-token context window

Considerations

  • No notable limitations for general use

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