GPT-5.4 vs GPT-5.4 nano: Specs & Benchmark Comparison

CharacteristicGPT-5.4GPT-5.4 nano
CompanyOpenAIOpenAI
Release DateMarch 5, 2026March 1, 2026
Parameters
MultimodalYesYes
Context (input)1.0M400K
Context (output)128K128K
Input Price / 1M$2.50$0.12
Output Price / 1M$15.00$1.50
Average Score0.90.7
Benchmarks
OmniDocBench 1.50.90.8
GPQA0.90.8
Tau2 Telecom1.00.9

Visual Benchmark Comparison

GPT-5.4
GPT-5.4 nano
OmniDocBench 1.50.9 vs 0.8
0.9
0.8
GPQA0.9 vs 0.8
0.9
0.8
Tau2 Telecom1.0 vs 0.9
1.0
0.9

Verdict

Both models show equal results — the choice depends on your specific use case.

Overall Performance

Both models show comparable average scores: GPT-5.4 — 0.9, GPT-5.4 nano — 0.7.

API Cost

GPT-5.4 nano is 10.8x cheaper: input $0.12/1M vs $2.50/1M tokens.

Context Window

GPT-5.4 supports a larger context: 1M vs 400K tokens.

Recency

Both models were released around the same time: 3/5/2026 and 3/1/2026.

More About These Models

Related Comparisons

The GPT-5.4 and GPT-5.4 nano comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-5.4 or GPT-5.4 nano page. See also the complete list of AI model comparisons.