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Compare / head-to-head

GLM-5vsLongCat Flash Chat

GLM-5 leads 4 of 4 shared benchmarks. GLM-5 has the larger context window (200K tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
4 – 0
GLM-5 leads
Cheaper per token
list price, input + output
Larger context
GLM-5
200K tokens
Provider uptime (30d)
— · —
Z.ai · Meituan LongCat
GLM-5
Z.ai
text
Context
200K
Max out
131K
Input /1M
$1
Output /1M
$3.2
Cached /1M
$0.2
Scores
8 · 7 core
LongCat Flash Chat
Meituan LongCat · released 2025-09-01
text
Context
128K
Max out
Input /1M
Output /1M
Cached /1M
Scores
31 · 9 core
Quality

Benchmark matrix

BenchmarkGLM-5LongCat Flash ChatΔEdge
Reported by both · 4
SWE-bench Verified77.8% 60.4% +17.4 ptGLM-5
GPQA Diamond87.8% epoch73.23% +14.6 ptGLM-5
AIME 202596.7% matharena61.25% +35.5 ptGLM-5
LMArena Elo1446.3 1422.9 +23.4GLM-5
Only GLM-5 reports · 4
AIME 202696.7% matharenanot reported
OTIS Mock AIME 2024-2025 (Epoch AI run)80% epochnot reported
SWE-bench Verified (Epoch AI run)72.1% epochnot reported
Terminal-Bench 2.056.2% not reported
Only LongCat Flash Chat reports · 27
MMLUnot reported89.71%
MMLU-Pronot reported82.68%
AceBenchnot reported76.1%
AIME 2024not reported70.42%
ArenaHard-V2not reported86.5%
BeyondAIMEnot reported43%
C-Evalnot reported90.44%
CMMLUnot reported84.34%
COLLIEnot reported57.1%
DROPnot reported79.06%
GraphWalks-128knot reported51.05%
HumanEval+not reported88.41%
IFEvalnot reported89.65%
LiveCodeBenchnot reported48.02%
MATH500not reported96.4%
MBPP+not reported79.63%
Meeseeks-zhnot reported43.03%
Safety: Criminalnot reported91.24%
Safety: Harmfulnot reported83.98%
Safety: Misinformationnot reported81.72%
Safety: Privacynot reported93.98%
Tau2-Bench (airline)not reported58%
Tau2-Bench (retail)not reported71.27%
Tau2-Bench (telecom)not reported73.68%
TerminalBenchnot reported39.51%
VitaBenchnot reported24.3%
ZebraLogicnot reported89.3%
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is GLM-5 minus LongCat Flash Chat in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecGLM-5LongCat Flash ChatEdge
Context window200K tokens128K tokensGLM-5
Max output131K tokens
Input price / 1M$1
Output price / 1M$3.2
Cached input / 1M$0.2
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$4.2
ModalitiestexttextTie
Released2025-09-01
Cited benchmark scores831
Reliability

Provider status

All providers
More matchups

LongCat Flash Chat vs …

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