GPT-5.4 is OpenAI's latest frontier model for professional work with stronger reasoning, coding, and tool use.
Added Mar 5, 2026
Context Window
922.0K
Max Output
128.0K
Avg output tokens (7d)
1.8K tokens
Input Price (Auto)
$2.50/1M
Output Price (Auto)
$15.00/1M
Cache Read (Auto)
$0.25/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
28.3
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
74.8%
Better than 58% of models compared
HLE
Humanity's Last Exam
11.3%
Better than 62% of models compared
IFBench
Instruction-following benchmark
48.4%
Better than 57% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
36.0%
Better than 44% of models compared
AA-LCR
Long context reasoning evaluation
54.0%
Better than 56% of models compared
CritPt
Research-level physics reasoning
0.6%
Coding
SciCode
Python programming for scientific computing
47.1%
Better than 87% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
37.9%
Better than 85% of models compared
Knowledge
AA-Omniscience Accuracy
Proportion of correctly answered questions
37.4%
AA-Omniscience Hallucination Rate
Rate of incorrect answers among non-correct responses
84.7%
Last updated Aug 18, 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 with similar models from the same provider or model family.
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.
GPT 5.6 Terra
openai/gpt-5.6-terraGPT-5.6 Terra is the balanced model in OpenAI's GPT-5.6 series, positioned between flagship Sol and cost-efficient Luna. It is suited for everyday coding, reasoning, agentic work, and general professional tasks.
GPT 5.6 Terra Pro
openai/gpt-5.6-terra-proGPT-5.6 Terra with Pro reasoning mode. Pro mode performs more model work for difficult tasks; reasoning effort remains independently configurable and defaults to medium.