GPT-5.4 | Sulat AI Models

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GPT-5.4 | Sulat AI Models

Model details

GPT-5.4

Find out what this model does, when it was released, and which provider serves it.

OpenAIgpt-5.4gpt

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Quick Info

Provider: OpenAI
Model key: gpt-5.4
Release date: Mar 5, 2026
Last updated: Mar 5, 2026
Knowledge: 2025-08-31
Input modalities: text, image, pdf
Output modalities: text
Capabilities: Reasoning, Tool calling, Structured output, Attachments
Cost summary: In $2.50 · Out $15.00
Limit summary: 1,050,000 token context window

Cost

Input token cost: $2.50
Output token cost: $15.00

Limits

Input tokens: 922,000 tokens
Output tokens: 128,000 tokens

Context window

1,050,000 tokens

Experimental

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  "modes": {
    "fast": {
      "cost": {
        "input": 5,
        "output": 30,
        "cache_read": 0.5
      },
      "provider": {
        "body": {
          "service_tier": "priority"
        }
      }
    }
  }
}