GPT-5.4on Krater.ai

GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for

Released March 5, 2026

Specifications

GPT-5.4 at a glance

Context

1.1M tokens

Max output

128K tokens

Input

Text, Image, File

Output

Text

Input price

$2.50 / 1M

Output price

$15.00 / 1M

Krater rank

#72

Image inputTool callingStructured outputsReasoning supportProvider moderated

Capabilities

What it is good at

Catalog capabilities

  • Accepts image input
  • Generates text responses
  • Supports tool calling
  • Supports structured outputs

Good for

Image understandingLong documentsUse with toolsStructured responsesDeep analysis

Benchmarks

Catalog data, not Krater benchmarks.

Coding index score

71.1

Agentic index score

44.2

Intelligence index score

53.1

Design Arena svg rank

#15

Design Arena asciiart rank

#16

FAQ

Questions about GPT-5.4

Clear answers based on the model catalog and Krater access.

GPT-5.4 supports a context window of 1,050,000 tokens.

Use GPT-5.4 in your API

Connect with Krater's unified API.

API access

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