GPT-5 Medium vs LongCat-Flash-Thinking-2601: Specs & Benchmark Comparison

CharacteristicGPT-5 MediumLongCat-Flash-Thinking-2601
CompanyOpenAIMeituan
Release DateAugust 6, 2025January 13, 2026
Parameters560B
MultimodalYesNo
Context (input)400K
Context (output)64K
Input Price / 1M$0.75
Output Price / 1M$3.00
Average Score0.90.8
Benchmarks
AIME 20250.91.0
GPQA0.90.8

Visual Benchmark Comparison

GPT-5 Medium
LongCat-Flash-Thinking-2601
AIME 20250.9 vs 1.0
0.9
1.0
GPQA0.9 vs 0.8
0.9
0.8

Verdict

LongCat-Flash-Thinking-2601 leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: GPT-5 Medium — 0.9, LongCat-Flash-Thinking-2601 — 0.8.

Recency

LongCat-Flash-Thinking-2601 is newer: released 1/13/2026 vs 8/6/2025.

More About These Models

Related Comparisons

The GPT-5 Medium and LongCat-Flash-Thinking-2601 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 Medium or LongCat-Flash-Thinking-2601 page. See also the complete list of AI model comparisons.