GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks.
Added Mar 17, 2026
Context Window
400.0K
Max Output
128.0K
Avg output tokens (7d)
1.3K tokens
Input Price (Auto)
$0.20/1M
Output Price (Auto)
$1.25/1M
Cache Read (Auto)
$0.020/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
17.6
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
55.8%
Better than 35% of models compared
HLE
Humanity's Last Exam
4.2%
Better than 17% of models compared
IFBench
Instruction-following benchmark
32.7%
Better than 21% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
34.8%
Better than 44% of models compared
AA-LCR
Long context reasoning evaluation
24.7%
Better than 39% of models compared
CritPt
Research-level physics reasoning
0.0%
Coding
SciCode
Python programming for scientific computing
35.2%
Better than 58% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
24.2%
Better than 66% of models compared
Knowledge
AA-Omniscience Accuracy
Proportion of correctly answered questions
14.9%
AA-Omniscience Hallucination Rate
Rate of incorrect answers among non-correct responses
61.5%
Last updated Jun 28, 2026
Artificial AnalysisProviders
Auto routing is available for this model. Explicit provider selection is not available.
Loading provider options…
Related text models
Compare GPT 5.4 Nano with similar models from the same provider or model family.
GPT 5 Nano
openai/gpt-5-nanoOptimized for speed and ideal for applications requiring low latency. The fastest and most efficient GPT-5 variant.
GPT 4.1 Nano
openai/gpt-4.1-nanoCheapest model in the GPT-4.1 series. Huge context window with fast throughput and low latency.
GPT 5.6 Luna
openai/gpt-5.6-lunaGPT-5.6 Luna is the fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume chat, classification, lightweight agentic workflows, and latency-sensitive reasoning tasks.
GPT 5.6 Luna Pro
openai/gpt-5.6-luna-proGPT-5.6 Luna with Pro reasoning mode. Pro mode performs more model work for difficult tasks; reasoning effort remains independently configurable and defaults to medium.
GPT 5.6 Sol
openai/gpt-5.6-solGPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, agentic workflows, command-line work, and multi-step professional tasks.
GPT 5.6 Sol Pro
openai/gpt-5.6-sol-proGPT-5.6 Sol with Pro reasoning mode. Pro mode performs more model work for difficult tasks; reasoning effort remains independently configurable and defaults to medium.