Which is better for coding — GLM-4.5 or LongCat-Flash-Chat?

Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.

Which model is cheaper — GLM-4.5 or LongCat-Flash-Chat?

API pricing data is available on the individual model pages.

Which has a larger context window — GLM-4.5 or LongCat-Flash-Chat?

Context window data is available on the individual model pages.

GLM-4.5 vs LongCat-Flash-Chat: Specs & Benchmark Comparison

Characteristic	GLM-4.5	LongCat-Flash-Chat
Company	Zhipu AI	Meituan
Release Date	July 27, 2025	August 28, 2025
Parameters	355B	560B
Multimodal	No	No
Context (input)	131K	—
Context (output)	98K	—
Input Price / 1M	$0.60	—
Output Price / 1M	$2.20	—
Average Score	0.8	0.9
Benchmarks
GPQA	0.8	0.7
MMLU-Pro	0.8	0.8
MATH-500	1.0	1.0

Visual Benchmark Comparison

GLM-4.5

LongCat-Flash-Chat

GPQA0.8 vs 0.7

0.8

0.7

MMLU-Pro0.8 vs 0.8

0.8

MATH-5001.0 vs 1.0

1.0

Verdict

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

Overall Performance

Both models show comparable average scores: GLM-4.5 — 0.8, LongCat-Flash-Chat — 0.9.

Recency

LongCat-Flash-Chat is newer: released 8/28/2025 vs 7/27/2025.

More About These Models

GLM-4.5

Zhipu AI — specs, benchmarks, API

LongCat-Flash-Chat

Meituan — specs, benchmarks, API

Related Comparisons

GLM-4.5 vs GLM-5 GLM-4.5 vs GLM-4.7-Flash DeepSeek-V3.2-Exp vs GLM-4.5 GLM-4.5 vs LongCat-Flash-Thinking DeepSeek-V3.2 (Thinking) vs GLM-4.5 GLM-4.5 vs MiMo-V2-Flash

All model comparisons →

The GLM-4.5 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 GLM-4.5 or LongCat-Flash-Chat page. See also the complete list of AI model comparisons.