GPT-5 High vs LongCat-Flash-Chat: Specs & Benchmark Comparison

CharacteristicGPT-5 HighLongCat-Flash-Chat
CompanyOpenAIMeituan
Release DateAugust 6, 2025August 28, 2025
Parameters560B
MultimodalYesNo
Context (input)400K
Context (output)128K
Input Price / 1M$2.00
Output Price / 1M$8.00
Average Score0.90.9
Benchmarks
GPQA0.90.7

Visual Benchmark Comparison

GPT-5 High
LongCat-Flash-Chat
GPQA0.9 vs 0.7
0.9
0.7

Verdict

LongCat-Flash-Chat leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: GPT-5 High — 0.9, LongCat-Flash-Chat — 0.9.

Recency

LongCat-Flash-Chat is newer: released 8/28/2025 vs 8/6/2025.

More About These Models

Related Comparisons

The GPT-5 High and LongCat-Flash-Chat 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 High or LongCat-Flash-Chat page. See also the complete list of AI model comparisons.