GPT-5.4 nano

Multimodal

OpenAI

GPT-5.4 nano is the most compact model in the GPT-5.4 series. Fast and affordable, suitable for high-volume tasks with reasoning support.

Key Specifications

Parameters

-

Context

400.0K

Release Date

March 1, 2026

Average Score

74.5%

API Documentation

Timeline

Key dates in the model's history

Announcement

March 1, 2026

Today

March 25, 2026

Technical Specifications

Parameters

-

Training Tokens

-

Knowledge Cutoff

-

Family

-

Capabilities

MultimodalZeroEval

Pricing & Availability

Input (per 1M tokens)

$0.12

Output (per 1M tokens)

$1.50

Max Input Tokens

400.0K

Max Output Tokens

128.0K

Supported Features

Function CallingStructured OutputCode ExecutionWeb SearchBatch InferenceFine-tuning

Benchmark Results

Model performance metrics across various tests and benchmarks

Reasoning

Logical reasoning and analysis

GPQA

GPQA Diamond. Effort reasoning xhigh. • Self-reported

83.0%

Other Tests

Specialized benchmarks

Tau2 Telecom

Tau2-bench Telecom. Effort reasoning xhigh. • Self-reported

93.0%

OmniDocBench 1.5

OmniDocBench 1.5 (without tools). Effort without reasoning. • Self-reported

76.0%

Graphwalks BFS <128k

Graphwalks BFS 0K-128K. Effort reasoning xhigh. • Self-reported

73.0%

MMMU-Pro

MMMU Pro without tools. Effort reasoning xhigh. • Self-reported

66.0%

MCP Atlas

Benchmark MCP Atlas. Effort reasoning xhigh. • Self-reported

56.0%

License & Metadata

License

proprietary

Announcement Date

March 1, 2026

Last Updated

March 21, 2026

Compare GPT-5.4 nano

All comparisons

vs GPT-5.3 Codex vs GPT-5.4 mini vs GPT-5.1 Instant vs GPT-5 Medium vs GPT-5.2 Codex vs GPT-5.1 Thinking vs GPT-5 High vs GPT-5.4

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