GPT-5.4 nano vs LongCat-Flash-Lite: Specs & Benchmark Comparison

CharacteristicGPT-5.4 nanoLongCat-Flash-Lite
CompanyOpenAIMeituan
Release DateMarch 1, 2026February 4, 2026
Parameters69B
MultimodalYesNo
Context (input)400K
Context (output)128K
Input Price / 1M$0.12
Output Price / 1M$1.50
Average Score0.70.8
Benchmarks
Tau2 Telecom0.90.7
GPQA0.80.7

Visual Benchmark Comparison

GPT-5.4 nano
LongCat-Flash-Lite
Tau2 Telecom0.9 vs 0.7
0.9
0.7
GPQA0.8 vs 0.7
0.8
0.7

Verdict

GPT-5.4 nano leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: GPT-5.4 nano — 0.7, LongCat-Flash-Lite — 0.8.

Recency

GPT-5.4 nano is newer: released 3/1/2026 vs 2/4/2026.

More About These Models

Related Comparisons

The GPT-5.4 nano and LongCat-Flash-Lite 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 nano or LongCat-Flash-Lite page. See also the complete list of AI model comparisons.