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Compare / head-to-head

GLM-5.3vsLongCat 2.0

GLM-5.3 leads 2 of 2 shared benchmarks. Both offer a 1M-token context window.

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

Shared benchmarks
2 – 0
GLM-5.3 leads
Cheaper per token
list price, input + output
Larger context
Tie
both 1M tokens
Provider uptime (30d)
— · —
Z.ai · Meituan LongCat
GLM-5.3
Z.ai · released 2026-08-14
text
Context
1M
Max out
131K
Input /1M
$1.4
Output /1M
$4.4
Cached /1M
$0.26
Scores
33 · 6 core
LongCat 2.0
Meituan LongCat · released 2026-06-30
text
Context
1M
Max out
Input /1M
Output /1M
Cached /1M
Scores
10 · 4 core
Quality

Benchmark matrix

BenchmarkGLM-5.3LongCat 2.0ΔEdge
Reported by both · 2
GPQA Diamond90.9% epoch88.9% +2 ptGLM-5.3
Terminal-Bench 2.188.2% 70.8% +17.4 ptGLM-5.3
Only GLM-5.3 reports · 22
Agents' Last Exam28.5% not reported
Agents' Last Exam (ALE-CLI)28.5% not reported
AutomationBench v1.0.648.2% not reported
CyberGym84.5% not reported
DeepSWE v1.166.9% not reported
ExploitBench54.4% not reported
ExploitGym 2h105 not reported
ExploitGym 6h130 not reported
FrontierMath Tier 4 v2 (Epoch AI run)29.3% epochnot reported
FrontierMath Tiers 1-3 v2 (Epoch AI run)68.8% epochnot reported
FrontierSWE78.1% not reported
GDPval-AA v21769 not reported
HLE (with tools)62.5% not reported
NL2Repo58% not reported
OTIS Mock AIME 2024-2025 (Epoch AI run)91.1% epochnot reported
PostTrainBench39.8% not reported
ProgramBench (Almost Solved)19% not reported
SimpleQA Verified41% epochnot reported
SWE-Marathon v1.142.5% not reported
Terminal-Bench 3.028.3% not reported
Toolathlon Verified73% not reported
Z.ai Code Bench (max effort)34.5% not reported
Only LongCat 2.0 reports · 8
BrowseCompnot reported79.9%
FORTEnot reported73.2%
IFEvalnot reported90%
IMO-AnswerBenchnot reported81.8%
RWSearchnot reported78.8%
SWE-bench Multilingualnot reported77.3%
SWE-bench Pronot reported59.5%
Writing Benchnot reported83.8%
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-5.3 minus LongCat 2.0 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-5.3LongCat 2.0Edge
Context window1M tokens1M tokensTie
Max output131K tokens
Input price / 1M$1.4
Output price / 1M$4.4
Cached input / 1M$0.26
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$5.8
ModalitiestexttextTie
Released2026-08-142026-06-30
Cited benchmark scores3310
Reliability

Provider status

All providers
More matchups

GLM-5.3 vs …

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Public benchmarks are a starting point. Run GLM-5.3 and LongCat 2.0 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.