OpenAI: GPT-5.4 Nano | Sulat AI Models

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OpenAI: GPT-5.4 Nano | Sulat AI Models

Model details

OpenAI: GPT-5.4 Nano

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

Kilo Gatewayopenai/gpt-5.4-nano

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Quick Info

Provider: Kilo Gateway
Model key: openai/gpt-5.4-nano
Release date: Mar 17, 2026
Last updated: Apr 11, 2026
Knowledge: Unknown
Input modalities: image, pdf, text
Output modalities: text
Capabilities: Reasoning, Tool calling, Attachments
Cost summary: In $0.20 · Out $1.25
Limit summary: 400,000 token context window

Cost

Input token cost: $0.20
Output token cost: $1.25

Limits

Output tokens: 128,000 tokens
Context window: 400,000 tokens